China Azithromycin Powder API CAS 83905-01-5

Azithromycin powder CAS 83905-01-5 basic information

CAS No.: 83905-01-5
Other Names: Azithromycin
MF: C38H72N2O12
Place of Origin: China
Type: Antibiotic and Antimicrobial Agents Grade
Usage: Animal Pharmaceutical raw material
Purity: 99%
Colour: White or almost white crystalline powder

Azithromycin powder CAS 83905-01-5 Specification

ITEMS

SPECIFICATIONS

RESULTS

Appearance

White crystallinity powder

Complies

Identification

(a) Infrared Absorption

Complies

(b) HPLC

Complies

Specific rotation

-45o ~ -49o

-48 o

Crystallinity

Meets the requirements

Complies

pH

9.0~11.0

10.2

Water

4.0~5.0 %

4.2%

Residue on ignition

≤0.3%

0.05%

Heavy metals

≤0.0025%

0.0005%

Assay

945~1030 ug/mg

Caculated on the anhydrous basis