Demeclocycline EP Impurity G CAS 22688-73-9

Purity >90%In StockPharmacopoeial Impurity Standards
CAS No.22688-73-9
Molecular FormulaC21H19ClN2O7
Molecular Weight446.84 g/mol
CategoryPharmacopoeial Impurity Standards / EP Impurities
AvailabilityIn Stock

Chemical Structure

Demeclocycline EP Impurity G CAS 22688-73-9 chemical structure

Description

Demeclocycline EP Impurity G (CAS 22688-73-9) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C21H19ClN2O7. Molecular weight: 446.84 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.

Physical & Chemical Properties

Molecular FormulaC21H19ClN2O7
Molecular Weight446.84 g/mol
AppearancePale yellow to yellow crystalline powder. (slight halide-like odor)
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; Contains ester bond; hydrolyzes under strong alkaline conditions
Degree of Unsaturation (DBE)13.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1963
Halogen ContentCl-containing
Nitrogen Atoms2

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