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1 Kilogram |
Negotiable |
Demeclocycline hydrochloride DEMECLOCYCLINE HYDROCHLORIDE Demeclocycline hcl
Demeclocyclinehydrochloride
Appearance |
Yellow powder |
Identification |
Positive |
Crystallinity |
Crystalline |
Specific optical rotation |
-248°~-263° |
Absorbance(385nm) |
340~370 |
pH |
2.0~3.0 |
Water |
≤2.0% |
Heavy metals |
≤50ppm |
Sulphated ash |
≤0.5% |
4-Epidemeclocycline |
≤3.0% |
Demethyltetracycline |
≤6.0% |
4-Epidemethyltetracycline |
≤1.0% |
Potency |
≥900μg/mg |
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