China Azithromycin CAS No. 83905-01-5, Find details about China 83905-01-5, Azithromycin from Azithromycin CAS No. 83905-01-5
Items | Standard | |
Characters | White or almost white powder | |
Solubility | Practically insoluble in water,freely soluble in anhydrous ethanol and in methylene chloride | |
Identification | A)IR:Conforms to azithromycin RS B)Rt HPLC:Conforms to azithromycin RS | |
Crystallinity | Exhibit birefringence and extinction positions | |
PH | 9.0~11.0 | |
Optical Rotation | -45°~-49° | |
Water | 4.0%~5.0% | |
Residue on ignition | ≤0.3% | |
Limit of related substances | Azithromycin-N-oxide | ≤0.5% |
3'-(N,N-didemethyl)-3-N-formylazithromycin | ≤0.5% | |
Erythromycin A iminoether | ≤0.5% | |
3'-(N,N-didemethyl)azithromycin (arminoazithromycin) | ≤0.5% | |
Azithromycin related compound F | ≤0.5% | |
Desosaminylazithromycin | ≤0.3% | |
3'-N-{[4-(Acetylamino)phenyl]sulfonyl}-3',3'-didemethylazithromycin | ≤0.15% | |
N-Demethylazithromycin | ≤0.7% | |
Erythromycin A oxime | ≤0.5% | |
Azithromycin C(3"-o-demethylazithromycin) | ≤0.5% | |
3'-De(dimethylamino)-3'-oxoazithromycin | ≤0.5% | |
3'-N-{[4-(Acetylamino)phenyl]sulfonyl}-3'-demethylazithromycin | ≤0.5% | |
Azaerythromycin A | ≤0.5% | |
Azithromycin impurity P | ≤0.2% | |
2-Desethyl-2-propylazithromycin | ≤0.5% | |
3'-N-Demethyl-3'-N-[(4-methylphenyl)sulfonyl]azithromycin | ≤0.5% | |
3-Deoxyazithromycin(azithromycin B) | ≤1.0% | |
Any individual,unidentified impurity | ≤0.2% | |
Total impurities | ≤3.0% | |
Assay | 945~1030μg/mg | |
Residue solvents | Acetone | ≤3000ppm |
Ethanol | ≤2000ppm | |
Chloroform | ≤60ppm | |
Bulk density | ||
Tapped density | ||
Malvern Test | d(0.1) | |
d(0.5) | ||
d(0.7) | ||
d(0.9) | ||
D[4,3] |