Estazolam Impurity 7 CAS 163167-55-3

Purity >95%In StockPharmacopoeial Impurity Standards
CAS No.163167-55-3
Molecular FormulaC16H11ClN4
Molecular Weight294.74 g/mol
CategoryPharmacopoeial Impurity Standards / EP Impurities
AvailabilityIn Stock

Chemical Structure

Estazolam Impurity 7 CAS 163167-55-3 chemical structure

Description

Estazolam Impurity 7 (CAS 163167-55-3) is a high-purity pharmacopoeial impurity standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C16H11ClN4. Molecular weight: 294.74 g/mol. Each batch is supplied with a Certificate of Analysis (COA).

Physical & Chemical Properties

Molecular FormulaC16H11ClN4
Molecular Weight294.74 g/mol
AppearancePale yellow to yellow crystalline powder. (slight halide-like odor)
Purity>95%
StorageStore at 2-8°C, protect from light, keep tightly closed to prevent evaporation
Solubility (reference)Soluble in DMSO, DMF, methanol
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light
Degree of Unsaturation (DBE)13.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)2003
Halogen ContentCl-containing
Nitrogen Atoms4

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