CAS Number: 1264-62-6
Molecular Formula: C43H76NO17
Standard: USP32
Package: 25kg/drum
CAS Number: 1264-62-6
Molecular Formula: C43H76NO17
Standard: USP32
Package: 25kg/drum
ITEMS | LIMIT |
Description | White crystalline powder, hygroscopic Practically insoluble in water |
Solubility | Freely soluble in acetone, chloroform, absolute ethanol and methanol |
Identification | |
IR | Meet |
Water (K.Fischer) | Not more than 3.0% |
Residue on Ignition | Not more than 1.0% |
Erythromycin A enolether | Not more than 3.0% |
Erythromycin N-ethylsuccinate | Not more thatn 3.0% |
Assay (on dry basis) | |
Erythromycin A | not less than 70.0% |
Erythromycin B | not more than 12.0% |
Erythromycin C | not more than 5.0% |
Erythromycin A,B and C | not less than 76.5% |