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Contact SupplierWe are offering name of api:erythromycin usp
cas no: 114-07-8
category:-chemotherapeutic agents
sub category:-antibiotics and antimicrobial agents
uses:anti-inflammatory effect
molecular weight:733.93
molecular formula:c37h67no13
chemical name:(3r,4s,5s,6r,7r,9r,11r,12r,13s,14r)-6-{[(2s,3r,4s,6r)-4-(dimethylamino)-3-hydroxy-6-methyloxan-2-yl]oxy}-14-ethyl-7,12,13-trihydroxy-4-{[(2r,4r,5s,6s)-5-hydroxy-4-methoxy-4,6-dimethyloxan-2-yl]oxy}-3,5,7,9,11,13-hexamethyl-1-oxacyclotetradecane-2,10-dione
specifications:
1. Name of product:-erythromycin
2. Appearance :-white or slightly yellow, crystalline powder
3. Solubility:-slightly soluble in water; soluble in alcohol, in chloroform, and in ether.
4.identification:-by ir spectrum
5.related substanc:-nmt 3.0%
individual impurity total impurity:-nmt 5.0%
6.specific optical rotation at 20 0 c (anhydrous basis):-between -71° to -78°
7.specific optical rotation at 20 0 c (anhydrous basis):-between -71° to -78°
8.water content by kf:-nmt 10.0%
9.crystallinity:-meets the requirements
10.assay hplc:-85.0%–100.5%