Demeclocycline EP Impurity E CAS 4496-85-9

Purity >90%In StockPharmacopoeial Impurity Standards
CAS No.4496-85-9
Molecular FormulaC21H20N2O7
Molecular Weight412.39 g/mol
CategoryPharmacopoeial Impurity Standards / EP Impurities
AvailabilityIn Stock

Chemical Structure

Demeclocycline EP Impurity E CAS 4496-85-9 chemical structure

Description

Demeclocycline EP Impurity E (CAS 4496-85-9) is a pharmacopoeial impurity standards certified reference material from CATO. Molecular formula: C21H20N2O7. Molecular weight: 412.39 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.

Physical & Chemical Properties

Molecular FormulaC21H20N2O7
Molecular Weight412.39 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)13.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1958
Nitrogen Atoms2

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