Name:Methyl Vinyl Silicone Rubber CAS No.:67762-94-1 Appearance: colorless transparent Molecular formula: RMe2SiO(Me2SiO)n(MeViSiO)mSiMe2R(R：Me、Vi) Relative density (water=1): 0.97 Boiling point: 205℃

Name:Methyl Vinyl Silicone Rubber CAS No.:67762-94-1 Appearance: colorless transparent Molecular formula: RMe2SiO(Me2SiO)n(MeViSiO)mSiMe2R(R：Me、Vi) Relative density (water=1): 0.97 Boiling point: 205℃

Name:Methyl Vinyl Silicone Rubber CAS No.:67762-94-1 Appearance: colorless transparent Molecular formula: RMe2SiO(Me2SiO)n(MeViSiO)mSiMe2R(R：Me、Vi) Relative density (water=1): 0.97 Boiling point: 205℃

Name:Mixsilicone Rubber CAS No.:63394-02-5 Appearance: Milky white slightly transparent colloid Hardness/Shore A: 20~90 Tensile strength/Mpa: ≥ 3 Tear strength/(kN/m): ≥ 10 Elongation/%: ≥ 100 Tensile set/%: ≤ 10 rebound/%: 35~80

Name:Mixsilicone Rubber CAS No.:63394-02-5 Appearance: Milky white slightly transparent colloid Hardness/Shore A: 20~90 Tensile strength/Mpa: ≥ 3 Tear strength/(kN/m): ≥ 10 Elongation/%: ≥ 100 Tensile set/%: ≤ 10 rebound/%: 35~80

Name:Mixsilicone Rubber CAS No.:63394-02-5 Appearance: Milky white slightly transparent colloid Hardness/Shore A: 20~90 Tensile strength/Mpa: ≥ 3 Tear strength/(kN/m): ≥ 10 Elongation/%: ≥ 100 Tensile set/%: ≤ 10 rebound/%: 35~80

Name:Silica Gel CAS No.:112926-00-8 Appearance: Colorless and transparent, no mechanical impurities Molecular formula: C10H30O5Si5 EINECS No.:231-545-4

Name:Silicone rubber,methyl RTV 107 CAS No.:70131-67-8 Appearance: Colorless transparent viscous liquid Molecular formula: HO[(CH3)2SiO]nH Physical and chemical properties: resistance to ozone, ultraviolet rays, extreme temperatures of high and low temperature Relative density (water=1): 0.97

Name:Silicone rubber,methyl RTV 107 CAS No.:70131-67-8 Appearance: Colorless transparent viscous liquid Molecular formula: HO[(CH3)2SiO]nH Physical and chemical properties: resistance to ozone, ultraviolet rays, extreme temperatures of high and low temperature Relative density (water=1): 0.97

Name:Silicone rubber,methyl RTV 107 CAS No.:70131-67-8 Appearance: Colorless transparent viscous liquid Molecular formula: HO[(CH3)2SiO]nH Physical and chemical properties: resistance to ozone, ultraviolet rays, extreme temperatures of high and low temperature Relative density (water=1): 0.97

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

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