Demeclocycline EP Impurity A CAS 987-02-0

Purity >90%In StockPharmacopoeial Impurity Standards
CAS No.987-02-0
Molecular FormulaC21H22N2O8
Molecular Weight430.41 g/mol
CategoryPharmacopoeial Impurity Standards / EP Impurities
AvailabilityIn Stock

Chemical Structure

Demeclocycline EP Impurity A CAS 987-02-0 chemical structure

Description

Demeclocycline EP Impurity A (CAS 987-02-0) is a high-purity pharmacopoeial impurity standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C21H22N2O8. Molecular weight: 430.41 g/mol. Each batch is supplied with a Certificate of Analysis (COA).

Physical & Chemical Properties

Molecular FormulaC21H22N2O8
Molecular Weight430.41 g/mol
AppearancePale yellow to yellow crystalline powder
Purity>90%
StorageStore in a cool place (≤25°C), protect from light, keep sealed and dry
Solubility (reference)Soluble in DMSO, DMF, methanol
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening
Degree of Unsaturation (DBE)12.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1957
Nitrogen Atoms2

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