Name:Azithromycin CAS No.:83905-01-5 Appearance: White powder Molecular formula: C38H72N2O12 Molecular Weight: 748.9845 Density: 1.18g/cm3 Melting point: 113-115℃ Boiling point: 822.1°C at 760 mmHg Flash point: 451°C Vapor Pressure: 2.51E-31mmHg at 25°C

Name: Azithromycin  CAS No.:  83905-01-5 Appearance: White powder Molecular formula: C38H72N2O12 Molecular Weight: 748.9845  Density: 1.18g/cm3 Melting point: 113-115℃ Boiling point: 822.1°C at 760 mmHg Flash point: 451°C Vapor Pressure: 2.51E-31mmHg at 25°C

Name:Florfenicol CAS No.:76639-94-6;73231-34-2 Appearance:white or off-white crystalline powder Molecular formula:C12H14Cl2FNO4S Molecular Weight:358.2133 Density:1.39g/cm3 Boiling point:531.3°C at 760 mmHg Melting point:153 ℃ Flash point:275.1°C Vapor Pressure:4.05E-12mmHg at 25°C

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

Name:Spiramycin CAS No.:8025-81-8 Appearance: White to yellowish powder Molecular formula: C43H74N2O14 EINECS No.: 232-429-6 Molecular Weight: 843.0527 Density: 1.21g/cm3 Boiling point: 913.7 ° C at 760 mmHg Flash point: 506.4 ° C Steam pressure: 0mmHg at 25 ° C Shelf life: 24 months