Demeclocycline hydrochloride
CAS NO.: 64-73-3
Molecular Formula: C22H22Cl2N2O8.
Chemical Name: (4S,4aS,5aS,6S,12aS)7-chloro-4-dimethylamino-3,6,10,12,12a-pentahydroxy-1,11-dioxo-1,4,4a,5,5a,6,11,12a-octahydrotetracene-2-carboxamide hydrochloride
Molecular Weight: 501.32
Packing: 25kg/drum
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Item
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Standards
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Appearance
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White powder
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Solubility
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Soluble in water, slightly soluble in ethanol, sparingly soluble in acetone
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Specific rotation
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-248° to -263°
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Identification
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Meet the requirement
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Water
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3.0%max
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PH
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2.0-3.0
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Absorption
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340-370
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Residue on ignition
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0.5%max
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Heavy metals
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50ppm max
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Related substance
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Any single impurity: 5.0%max
Total impurities: 10.0%max
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Assay
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89.5-102.0%
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