Product details： Metronidazole CAS NO.443-48-1 as Antibiotic origin from China. Anhui Sinotech company strictly select GMP products, support customer registration , and provide professional services to chemical customers in the global market.Purchase Metronidazole CAS NO.443-48-1, inquiry Anhui Sinotech . Name:                Metronidazole              CAS No.:               443-48-1 Molecular formula:   C6H9N3O3 Molecular Weight:      171.15 Description: Metronidazole CAS NO.443-48-1 99% purity is white or yellow, crystalline powder.Slightly soluble in ether, insoluble in dimethylformamide, soluble in inorganic acid. The pH value of saturated aqueous solution is about 5. Keep away from light. Application Metronidazole CAS NO.443-48-1 :It is mainly used to treat or prevent systemic or local infections caused by anaerobes, such as those in the abdominal cavity, digestive tract, female reproductive system, lower respiratory tract, skin and soft tissue, bone and joint, etc., and it is also effective for septicemia, endocarditis, meningeal infection and colitis caused by antibiotics. Tetanus is often treated in combination with tetanus antitoxin (TAT). It can also be used for oral anaerobic infection. Specification：Metronidazole CAS NO.443-48-1 ITEMS STANDARDS RESULTS Appearance White or yellowish, crystalline powder. Yellowish crystalline powder Solubility Slightly soluble in water,in acetone,in alcohol and in methylene,chloride COMPLY Identification A) Melting point B) UV C) IR D) Chemical First Identification:C Second Identification:A,B,D A) Between 159℃ to 163℃ B) The specific absorbance at the maximum is 365 to395 C) Comparison Metronidazole CRS D) The solution gives the reaction of primary aromatic amines A) 160.7-161.3℃ B) 382 C) COMPLY D) COMPLY Appearance of solution SUSPENSION II AND SOLUTION GY6 COMPLY Related Substance Any individual impurity 0.1%MAX       0.003% Total impurities 0.2%MAX 0.02% Heavy Metals 20PPM MAX     ＜20PPM Loss on drying 0.5%MAX 0.14% Sulphated ash 0.1%MAX 0.04% Organic residues 1PPM MAX N.D Assay 99.0%-101.0% C6H9N3O3 (on dried basis) 99.8% C6H9N3O3 Conclusion: Comply with the requirement of EP 8.0 standard.   Packing：Metronidazole CAS NO.443-48-1

Product details： Diclazuril CAS NO.101831-37-2 as Antiparasitic origin from China. Anhui Sinotech company strictly select GMP products, support customer registration , and provide professional services to chemical customers in the global market.Purchase Diclazuril CAS 101831-37-2, inquiry Anhui Sinotech . Name:                Diclazuril              CAS No.:               101831-37-2 Molecular formula:   C17H9Cl3N4O2 Molecular Weight:      407.64 Description: GMP API veterinary Diclazuril CAS NO.101831-37-2 95% purity A whitish or yellowish powder; almost odorless. The product is slightly soluble in dimethylformamide, slightly soluble in tetrahydrofuran, and almost insoluble in water and ethanol. Application Diclazuril CAS NO.101831-37-2 ,It is a new, efficient and low toxic anti coccidiosis drug, widely used in chicken coccidiosis Diclazuril CAS NO.101831-37-2 ,It also inhibited the formation of sporolized oocysts Specification：Diclazuril CAS NO.101831-37-2 Tests Acceptance Criteria Result Characters Appearance Almost white or light yellow powder; practically odorless Almost white powder Solubility Sparingly soluble in dimethylformamide, slightly soluble in tetrahydrofuran, practically insoluble in water or ethanol. Conforms Identification （1）UV: Absorption maxima at 220nm、277nm. Conforms （2）IR: Conforms to the reference spectrum. Related substances Total impurities≤2.5% 1.1% Loss on drying ≤0.5% （105℃） 0.10% Residue on ignition ≤0.1% 0.01% Heavy metals ≤20ppm ＜20ppm Assay ≥96.0%（On the dried substance） 98.5% Conclusion: Conforms to CVP 2015（I）specification for Diclazuril   Package Diclazuril CAS NO.101831-37-2

Product details Flunixin Meglumine CAS NO.42461-84-7 as Antibiotic drugs origin from China. Anhui Sinotech company strictly select GMP products, support customer registration , and provide professional services to chemical customers in the global market.Purchase Flunixin Meglumine CAS NO.42461-84-7,inquiry Anhui Sinotech . Name:                Flunixin Meglumine        CAS No.:               42461-84-7 Molecular formula:   C21H28F3N3O7 Molecular Weight:      491.4581 Description: Veterinary API Flunixin Meglumine CAS NO.42461-84-7 is white crystall powder,Belong to antibiotic veterinary anti-inflammatory analgesics,Can only be used by animals, not humans Application Flunixin Meglumine CAS NO.42461-84-7 is used in horses, it can relieve inflammation and pain caused by abnormal muscles, relieve visceral colic of horses, treat diarrhea, tremors, colitis, Flunixin Meglumine CAS NO.42461-84-7 is used in dogs to treat arthritis, fever, diarrhea, tremors, eye infections, etc Flunixin Meglumine CAS NO.42461-84-7 is used in pigs to treat diarrhea. Specification：Flunixin Meglumine CAS NO.42461-84-7 Testing Items Testing Specifications Testing Results Appearance White or off-white,crystalline powder. White, crystalline powder. Identification The ultraviolet absorption spectrum of sample should correspond to that of reference standard Complies The infrared absorption spectrum of sample should correspond to that of reference standard Complies Melting Range 137 ℃~140 ℃ 138.0 ℃~139.0 Specific Rotation -9°~-12° -10° pH 7.0~9.0 8.1 Related Substances No individual secondary spot should more intense than 0.2%. Complies The sum of the intensities of all the secondary spots should not more than 0.5% Complies Loss on Drying Should not more than 0.5% Should not more than 0.5% Residue on Ignition Should not more than 0.2% 0.07% Assay Contain Flunixin Meglumine should NLT 99.0 % and NMT 101.0 % of C 14 H 11 F 3 N 2 O 2 ·C 7 H 17 NO 5 , calculated on anhydrous basis. 99.8% Conclusion The above materials are done based on USP37 and all the testing data meet the established specifications. Package Flunixin Meglumine CAS NO.42461-84-7

Product details Bromhexine HCL CAS NO.611-75-6 as Antibiotic drugs origin from China. Anhui Sinotech company strictly select GMP products, support customer registration , and provide professional services to chemical customers in the global market.Purchase Bromhexine HCL CAS NO.611-75-6,inquiry Anhui Sinotech . Name:                Bromhexine HCL              CAS No.:               611-75-6 Molecular formula:   C14H21Br2ClN2 Molecular Weight:      412.5909 Description: Veterinary API Bromhexine HCL CAS NO.611-75-6 is white crystal powder,Odorless, tasteless, slightly soluble in water and ethanol, soluble in hot ethanol, insoluble in acetone and chloroform. Application Bromhexine HCL CAS NO.611-75-6 is suitable for respiratory tract infection of livestock and poultry, such as bronchitis, emphysema, silicosis, chronic lung inflammation, cough and phlegm caused by bronchiectasis. Specification：Bromhexine HCL CAS 611-75-6 Items Standard Results Appearance White or almost white,crystalline crystalline powder   almost white crystalline crystalline powder   Solubility Very slightly soluble in water,slightly soluble in alcohol and in methylene chloride Complies Identification IR Complies TLC Complies Brownish-yellow colour develops in the lower layer Complies The reaction of primary aromatic amines Complies Reaction of chlorides Complies Appearance of solution The solution is clear and not more intensely coloured than reference solution Y6 Complies Related substances Total impurity ≤0.3 0.23 Any impurity ≤0.2 0.17 Any ＞0.1%impurity not more than one Complies Loss on drying ≤1.0 0.18 Sulphated ash ≤0.1 0.06 Assay 98.5-101.5 99.7 Conclusion: The product complies with Prescribed standard of BP2017 Package Bromhexine HCL CAS 611-75-6

Product details Florfenicol CAS NO.76639-94-6 as Antibiotic drugs origin from China. Anhui Sinotech company strictly select GMP products, support customer registration , and provide professional services to chemical customers in the global market.Purchase Florfenicol  CAS NO.76639-94-6,inquiry Anhui Sinotech . Name:                Florfenicol               CAS No.:               76639-94-6 Molecular formula:   C12H14Cl2FNO4S Molecular Weight:      358.2133 Description: Veterinary API Florfenicol CAS NO.76639-94-6 99%purity is white crystall powder, odourless, taste bitter. It can rapidly inhibit the growth and reproduction of bacteria, which belongs to the fast acting antimicrobial agents.   Application 1.Florfenicol CAS 76639-94-6 ,to streptococcus ,pig pleurisy streptococcus, attach red filaments,2days, diarrhea effects. 2. Florfenicol CAS 76639-94-6 ,to chickens of contagion rhinitis, ox lung phytophthora duck respiratory infection, inflammation, mastitis serous disease such as effects. 3. Florfenicol CAS 76639-94-6 , the aquatic product categories:Used for the treatment of bacterial enteritis septicemia, disease, erythroderma, vibrio, vertical squamosis, sarcoidosis, enoxia with salmonella, scabies, eels red eosinophilia and bullfrog bacterial dysentery.   Specification：Florfenicol CAS 76639-94-6 Items Standards Results Description White or almost White crystalline powder White crystalline powder Solubilityv Very soluble in N,N-Dimethylformamide, soluble in methanol,sparingly soluble in glacial acetic acid,very slightly soluble in chloroform,Practically insoluble in water Complies Melting Point 152.0℃-156.0℃ 155.4℃ Optical rotation -16°—-19° -17.2° Identification (1)The relation times of the major peak of the sample solution should correspond to that of the standard solution as obtained in the assay Complies (2)The infrared absorption spectrum obtained from the test sample is consistent with that from reference standard Complies PH 4.5-6.5 6.0 Chloride ≤0.02% <0.02% Related substances 1)Peak area of single impurity peak should be NMT the reference solution's main peak 0.5 times(0.5%) 0.19% 2)Peak area of total impurities should be NMT the peak area of reference solution 2 times (2.0%) 0.29% Water ≤0.5% 0.07% Residue on Ignition ≤0.1% 0.035 Heavy Metals ≤20ppm <20ppm Assay ≥ 98.0% C12H14CL2FNO4S(caculated on the anhydrous basis) 98.9% Conclusion: The Results comply with CVP2015     Package Florfenicol CAS 76639-94-6

Product details Fosfomycin Calcium CAS NO.26016-98-8 as Antibiotic drugs origin from China. Anhui Sinotech company strictly select GMP products, support customer registration , and provide professional services to chemical customers in the global market.Purchase Fosfomycin Calcium CAS NO.26016-98-8,inquiry Anhui Sinotech . Name:                Fosfomycin Calcium       CAS No.:               26016-98-8  Molecular formula:   C3H5O4P.Ca Molecular Weight:      176.12 Description: Veterinary API Fosfomycin Calcium CAS NO.26016-98-8 is white crystall powder,Tasteless. The product is slightly soluble in water, almost insoluble in methanol, insoluble in acetone, chloroform, ether and benzene Application Fosfomycin Calcium CAS NO.26016-98-8 is Antibiotics are used for simple lower urinary tract infection and intestinal infection caused by sensitive bacteria. Fosfomycin Calcium CAS NO.26016-98-8 has a wide range of antibacterial activities against both Gram-positive and Gram-negative pathogens Fosfomycin Calcium CAS NO.26016-98-8 has very useful activity to many gram negative bacteria, such as Enterococcus faecium, Escherichia coli, Campylobacter and Proteus. Specification：Fosfomycin Calcium CAS NO.26016-98-8 Iterm Specification Results Appearance White or Almost White Crystal Powder Complies Identification In accordance with standard Spectra Complies Specific -11.0°—13.0° -11.3° Assay 95.0&-101.0% 97.2% Calcium(1,2-Dihydroxypropyl) -phosphonate ≤1.5% 0.8% PH 8.5-9.6 8.9 water 8.5%-11.5% 9.6% Heavy metals ≤20ppm Complies Chloride ≤0.20% Complies Conclusion The quality of the product complies with the standard of EP7+In-house standard Package Fosfomycin Calcium 26016-98-8

Tylosin tartrate CAS NO.1405-54-5 as Antibiotic drugs origin from China. Anhui Sinotech company strictly select GMP products, support customer registration , and provide professional services to chemical customers in the global market.Purchase Tylosin tartrate CAS NO.1405-54-5,inquiry Anhui Sinotech . Name:     Tylosin tartrate           CAS No.:    1405-54-5  Molecular formula:   C50H83NO23 molecular structure: Molecular Weight:    1066.1869 Description: Veterinary API Tylosin tartrate CAS NO.1405-54-5  is almost white powder.This product belongs to special antibiotics for macrolide animals, has special effects on mycoplasma, and is used as the first choice drug against mycoplasma Application: Tylosin tartrate CAS NO.1405-54-5,Its mechanism of action mainly plays a role of sterilization by hindering the synthesis of bacterial proteins. This product is easily absorbed in the body, excreted quickly, and has no residue in the tissue. Specification：Tylosin tartrate CAS NO.1405-54-5 Items Standard Results Conclusion Appearance White to slightly yellow powder   almost white powder   Complies Identification It gives the positive reaction It gives the positive reaction Complies It gives the positive reaction It gives the positive reaction Complies The retention time of the tylosion A peak in the chromatogram of the test solution correspond to that in the chromatogram of the reference solution The retention time of the tylosion A peak in the chromatogram of the test solution correspond to that in the chromatogram of the reference solution Complies It gives the positive reaction It gives the positive reaction Complies Tests pH pH value 5.0-7.2 5.7 Complies Tyramine Complies complies Complies Loss on drying Not more than 4.2% 2.4% Complies Residue on ignition Not more than 2.5% 0.23% Complies Heavy metals Not more than20ppm Less than 20ppm Complies Content of Tylosin Tylosins A≥82% 89% Complies Tylosins A+B+C+D≥95% 97% Complies Assay Assay(dried basis) ≥830u/mg(dried basis) 928u/mg(dried basis) Complies Assay(wet basis) - 906u/mg(wet basis) Complies Conclusion:Tested according to in-house specification QS-0002-01,it complies with the requirements Package Tylosin tartrate CAS NO.1405-54-5

Oxytetracycline HCL CAS NO.2058-46-0 as Antibiotic origin from China. Anhui Sinotech company strictly select GMP products, support customer registration , and provide professional services to chemical customers in the global market.Purchase Oxytetracycline HCL CAS NO.2058-46-0,inquiry Anhui Sinotech . Name:    Oxytetracycline HCL              CAS No.:   2058-46-0 Molecular formula:   C22H25ClN2O9 molecular structure:   Molecular Weight:      496.8949 Description1: Oxytetracycline HCL CAS NO.2058-46-0 99% purity is yellow, crystalline powder.The antibacterial spectrum and application are the same as tetracycline. This product is slightly better than tetracycline in the treatment of intestinal infection, including amoebic dysentery Description2: GMP API OTC HCL CAS NO.2058-46-0 is Yellow crystalline powder,is a broad-spectrum bacteriostatic agent, belonging to the class of antibiotics Description3: GMP Veterinary Oxytetracycline hydrochloride CAS NO.2058-46-0 99%purity is Yellow crystalline powder,odorless, slightly bitter taste; slightly moisturizing; the color becomes dark under sunlight, and it is easy to destroy and fail when dissolved in alkali. This product is soluble in water, slightly soluble in ethanol, and insoluble in chloroform or ether.   Application1 Veterinary raw materials Oxytetracycline HCL CAS NO.2058-46-0,It is mainly used for treatment, paratyphoid, pig lung disease, asthma, piglet diarrhea, uterine cavity inflammation, Leptospira, protozoa, etc, Application2 API OTC HCL CAS NO.2058-46-0 can quickly inhibit the growth and reproduction of bacteria. API OTC HCL CAS NO.2058-46-0 can slow down the speed of bacterial growth and reproduction, and greatly extend the growth and reproduction cycle of individual bacteria. API OTC HCL CAS NO.2058-46-0 cannot kill bacteria directly Application3 Oxytetracycline hydrochloride CAS NO.2058-46-0 can quickly inhibit the growth and reproduction of bacteria, that is, Oxytetracycline hydrochloride can slow down the speed of bacterial growth and reproduction, and greatly extend the growth and reproduction cycle of individual bacteria. But Oxytetracycline hydrochloride cannot kill bacteria directly    Specification：Oxytetracycline HCL CAS NO.2058-46-0 Tests Specifications Results Appearance Yellow, crystalline powder. Conforms     Solubility Freely soluble in water,sparingly soluble in ethanol,solutions in water become turbid on standing.owning to the precipitation of Oxytetracycline     Conforms   Identification A: Thin-layer chromatography B: Color reaction C: Chlorides reaction   Conforms pH 2.3 to 2.9 2.5 Sulfated ash ≦ 0.2% 0.17% Light -absorbing impurities (430nm) ≦0.50 0.12 Light -absorbing impurities (490nm) ≦ 0.20 0.13 Water ≦ 2.0% 0.8%       Related substances: Impurity A: NMT 0.5% 0.12% Impurity B: NMT 1.0% 0.44% Impurity C: NMT 2.0% 0.78% Impurity D: NMT 0.2% 0.02% Impurity E: NMT 0.2% 0.02%   Any other impurity：NMT 0.1% 0.05%   Total impurities：NMT3.5% 1.47% Residual Methanol ≦ 0.3% 0.11% Assay (anhydrous substance) 95.0% to 102.0% 98.0% Conclusion: Tested according to BP2018, the results meet the standard requirements.   Packing：Oxytetracycline HCL CAS NO.2058-46-0  

Tilmicosin Phosphate CAS NO.137330-13-3 as Antibiotic drugs origin from China. Anhui Sinotech company strictly select GMP products, support customer registration , and provide professional services to chemical customers in the global market.Purchase Tilmicosin Phosphate CAS NO.137330-13-3,inquiry Anhui Sinotech . Name:                Tilmicosin Phosphate       CAS No.:               137330-13-3 Molecular formula:   C20H22N2O4 molecular structure: Molecular Weight:      354.3997 Description: Veterinary API Tilmicosin Phosphate CAS NO.137330-13-3 is pale yellow powder, is a macrolide antibiotic, an upgraded product of tylosin phosphate, specifically for veterinary use. Non-toxic, no residue, strong effect and safe. Application Tilmicosin Phosphate CAS NO.137330-13-3 is a macrolide antibiotic and an upgraded product of Tylosin Phosphate, which is specially used in veterinary medicine. This product is non-toxic, residue-free, effective and safe. It mainly treats respiratory diseases caused by Mycoplasma, infectious pleural pneumonia caused by Actinobacillus and Pasteurella multocida and mammary gland infections of lactating animals. Its medicinal effect is 4-8 times that of tylosin phosphate. At the same time, it has the advantages of convenient use and less incompatibility. Specification：Tilmicosin Phosphate CAS NO.137330-13-3 Item Specification Test Results Description Off-white to pale yellow powder,have moisture abosorption characte.Freely soluble in water, insoluble in acetonitrile pale yellow powder Identification (1)The retention times of the major peaks in the chromatogram of the Assay preparation correspond to those of the Tilmicosin Standard preparation,as obtained in the assay. Complies (2)The product aqueous solution appear phosphate Identification reaction Complies Water Not more than 5.0% 3.3% PH 5.5-7.5 6.3 Solution Clarity Solution should be clear,if not clear,shallower than no 1 turbidity standard Complies Related Substances Any Individual impurity(on anhydrous basis) Not more than 4.0% 3.1% Total impurities(on anhydrous basis) Not more than 10.0% 6.2% Component Cis-isomers 82.0%-88.0% 85.4% Trans-insomers 12.0%-18.0% 14.6% Assay(on anhydrous basis) Not less than 75.0% 79.7% Conclusion According to the “enterprise standard”test,result are consistent with the provision of   Package Tilmicosin Phosphate CAS NO.137330-13-3   

Ciprofloxacin HCL CAS NO.93107-08-5  as antibiotic drugs origin from China. Anhui Sinotech company strictly select GMP products, support customer registration , and provide professional services to chemical customers in the global market.Purchase Ciprofloxacin HCL CAS NO.93107-08-5 ,inquiry Anhui Sinotech .   Name:                Ciprofloxacin HCL     CAS No.:               93107-08-5 Molecular formula:   C17H18FN3O3·HCl molecular structure: Molecular Weight:      367.8 Description: API Veterinary Ciprofloxacin HCL CAS NO.93107-08-5 is faintly yellowish crystalline powder  ,It has broad antibacterial spectrum and strong antibacterial activity, and is effective for both Gram-positive bacteria and Gram-negative bacteria, as well as Pseudomonas aeruginosa, with few adverse reactions Application： Ciprofloxacin HCL CAS NO.93107-08-5,It is mainly used in chronic respiratory tract, Escherichia coli, infectious rhinitis, avian cholera, avian typhoid, etc Ciprofloxacin HCL CAS NO.93107-08-5, It is suitable for urinary tract infection, moderate and severe respiratory tract infection, intestinal infection, skin and soft tissue infection, septicemia and intraperitoneal infection caused by sensitive bacteria Specification：Ciprofloxacin HCL CAS NO.93107-08-5 Tests Acceptance Criteria Results Description Appearance Faintly yellowwish to light yellow crystalline powder Faintly yellowwish crystalline powder Solubility Sparingly soluble in water,slightly solublein acetic acit and in methanol;very slight soluble in dehydrated alcohol;practically insoluble in acetone,in acetonitrile,in ethyl acetete,in hexane,and in methylene chloride. / Identificaion 1)IR:Conforms to the spectrum of Ciprofloxacin Hydrochloride RS 2)HPLC:The retention time of the major peak of the Sample solution corresponds to that of the Standard solution, as obtaind in the Assay. 3)Responds to the tests for chloride. Conforms Ph 3.0-4.5(25mg/ml solution in water) 3.7 Water 4.7-6.7 5.9% Residue on ignition ≤0.1% ＜0.01% Organic impurities Ciprofloxacin ethylenediamine analog ≤0.2% 0.06% Fluoroquinolonic acid ≤0.2% 0.02% Any other individual impurity ≤0.2% 0.05% The sum of all impurities ≤0.5% 0.16% Assay 98.0%-102.0%of C17H18 FN3O3’HCL(Calculate on the anhydrous basis) 100.3% Residue solvents (1)Ethanol ≤5000ppm 415ppm (2)Toluene ≤890ppm Not detected Conclusion:Conforms to USP42 specification for Ciprofloxacin Hydrochloride The elemental im purity is not intentionally added in the manufacturing process.The residue of class I elements(As,Cd,Hg,Pb)and class2A(Co,Ni,V)are meet the requiremets.      Package Ciprofloxacin HCL CAS NO.93107-08-5

Enrofloxacin BASE CAS NO.93106-60-6  as antibiotic drugs origin from China. Anhui Sinotech company strictly select GMP products, support customer registration , and provide professional services to chemical customers in the global market.Purchase Enrofloxacin BASE CAS NO.93106-60-6 ,inquiry Anhui Sinotech .   Name:     Enrofloxacin BASE     CAS No.:    93106-60-6 Molecular formula:   C19H22FN3O3 molecular structure: Molecular Weight:      359.4 Description1: Antibacterial raw materials Enrofloxacin BASE CAS NO.93106-60-6 belongs to tetracycline antibiotics, and belongs to broad-spectrum antimicrobial agents. It has antibacterial effect on Gram-positive bacteria, negative bacteria and mycoplasma. It has been used in the control of vibriosis and colibacillosis in cultured fish. Description2: Veterinary Enrofloxacin BASE CAS NO.93106-60-6  is a kind of Slightly yellow crystalline powder needle powder, odorless, tasteless, soluble in acid or alkaline conditions, slightly soluble in dimethylformamide and chloroform, slightly soluble in methanol and insoluble in water. The color of the product is deepened after a long time of illumination. It is easy to absorb moisture and agglomerate when stored in the place with high relative humidity. Application1 Enrofloxacin BASE CAS NO.93106-60-6, It has strong antibacterial activity against all pathogenic bacteria of aquatic animals. It is effective for severe infection caused by drug-resistant pathogens and has no cross resistance with other antibiotics.  Enrofloxacin BASE CAS NO.93106-60-6,It has bactericidal effect on Escherichia coli, Klebsiella, Salmonella, proteus, Pseudomonas aeruginosa, Haemophilus, Pasteurella multocida, Pasteurella haemolytica, Staphylococcus aureus, Streptococcus, etc. Application2 Enrofloxacin BASE CAS NO.93106-60-6 is a new type of veterinary antibacterial drug with wide spectrum and high efficiency has special effect on Gram-positive bacteria, Gram-negative bacteria and mycoplasma Enrofloxacin BASE CAS NO.93106-60-6 is quinolones for livestock and aquatic products, with broad-spectrum antibacterial activity and strong permeability    Specification：Enrofloxacin BASE CAS NO.93106-60-6   Tests Acceptance Criteria Results Description Appearance Slightly yellow or pale orange-yellow crystalline powder,odorless,slightly bitter;The crystals gradually become orange-red under day light Slightly yellow crystalline powder Solubility Freely soluble in chloroform,sparingly soluble in dimethyl-formamide,slightly soluble in sodium hydroxide TS,very slightlysoluble in water. / Melting range 221-226℃ 223.0-224.5℃ Identificaion HPLC:The retention time of the major peak os the Sample solution corresponds to that of the Standard solution. Conforms IR:Conforms to the reference spectrum. Conforms Clarity of solution Clear(1g/20ml in  0.5mol/L NaOH Solution) Conforms Colour of solution (1g/20ml in  0.5mol/L NaOH Solution)Not more intensely coloured than Y4 or GY4 Conforms Fluoroquinolonic acid ≤0.2% ＜0.2% (HPLC) Related substances （1）Ciprofloxacin ≤0.5% 0.05% （2）Any other single ≤0.3% 0.11% （3）Total impurities ≤0.7% 0.16% Loss on drying ≤0.5% 0.05% Residue on ignition ≤0.2% 0.01% Heavy metals ≤20ppm ＜20ppm Assay ≥99.0%（Dried substance） 100.4% Conclusion:Conforms to Chinese Veterinary Pharmacopeia2015(1)specification for enrofloxacin After risk evaluation,elemental impurities meet the requirements.    Package Enrofloxacin BASE CAS NO.93106-60-6

Sulfamethazine Sodium CAS NO.1981-58-4 as antibiotic drugs origin from China. Anhui Sinotech company strictly select GMP products, support customer registration , and provide professional services to chemical customers in the global market.Purchase Sulfamethazine Sodium CAS NO.1981-58-4 ,inquiry Anhui Sinotech .   Name:  Sulfamethazine Sodium     CAS No.: 1981-58-4 Appearance：milky white crystalline powder Molecular formula:   C12H13N4NaO2S Molecular Weight:      300.312 Density: 1.392g/cm3 Melting point: 176ºC Boiling point: 526.2ºC at 760mmHg Flash point: 272.1ºC Storage conditions: 2-8ºC Vapor pressure: 3.64E-11mmHg at 25°C Molecular structure:     Description: Sulfamethazine Sodium CAS NO.1981-58-4 is white or milky white crystalline powder, odorless or almost odorless, easily soluble in water and slightly soluble in ethanol. Application： Sulfamethazine Sodium CAS NO.1981-58-4 is a sulfa drug used for infections caused by meningitis, pneumococcus, hemolytic streptococcus and certain gram-negative bacilli. It is used as a feed additive to prevent and treat the infection of Staphylococcus and Streptococcus hemolyticus, that is, it mainly treats avian cholera, avian typhoid fever, and chicken coccidiosis.