Azithromycin Usp - White Crystalline Powder, Soluble In Methanol And Ethanol, Complies With Usp Specifications

Azithromycin USP are offering by us those teachnical information that are under below
Grade -- USP
Chemical Name --(2R,3S,4R,5R,8R,10R,11R,12S,13S,14R)-13-[(2,6-dideoxy-3-C-methyl-3-O-methyl-I -L-ribo-hexopyranosyl)oxy]-2-ethyl-3,4,10-trihydroxy-3,5,6,8,10,12,14-heptamethyl-11-[[3,4,6-trideoxy-3-(dimethylamino)-I -D-xylo-hexopyranosyl]oxy]-1-oxa-6-azacyclopentadecan-15-one monohydrate
Systematic (IUPSE) Name -- (2R,3S,4R,5R,8R,10R,11R,12S,13S,14R)-2-ethyl-3,4,10-trihydroxy-3,5,6,8,10,12,14-heptamethyl-15-oxo-11-{[3,4,6-trideoxy-3-(dimethylamino)-I -D-xylo-hexopyranosyl]oxy}-1-oxa-6-azacyclopentadec-13-yl2,6-dideoxy-3-C-methyl-3-O-methyl-I -L-ribo-hexopyranoside
Cas No -- 83905-01-5
Dosage Form -- Powder
Molecular Weight -- 767.00
Molecular Formula -- CC38H72N2O12a cH2O
Synonyms -- 9-deoxy-9a-aza-9a-methyl-9a-homoerythromycin A
Product Specification :
Description -- White crystalline powder
Solubility -- Soluble in methanol, ethanol,acetone & chloroform; practically insoluble in water
Identification -- To comply by IR and HPLC RT
Specific Optical ROtation -- Between -45A to 49A at 20A C
Water (By KF) -- Between 4.0% to 5.0% w/w
Crystallinity -- To comply as per USP
pH (0.2% in 1:1 Mixture of Water and Methnol) -- Between 9.0 & 11.0
Residue on ignition -- Not more than 0.3% w/w
Heavy Metals -- Not more than 0.0025%
Assay on anhydrous basis -- 945 Aug/mg to 1030 Aug/mg of C38H72N2O12 on anhydrous basis
This product conforms to USP
Caution -- Store the container in a cool dry place