Betamethasone Impurity 89 CAS CATO-C4X-143789

Purity 97%+In StockPharmacopoeial Impurity Standards
CAS No.CATO-C4X-143789
Molecular Formula-
Molecular Weight399.46 g/mol
CategoryPharmacopoeial Impurity Standards / EP Impurities
AvailabilityIn Stock

Chemical Structure

Betamethasone Impurity 89 CAS CATO-C4X-143789 chemical structure

Description

Recommended for quantitative analysis by HPLC, GC, LC-MS/MS, or GC-MS as an external calibration standard; it can also be used for spiked-recovery experiments, LOD/LOQ determination, and LC-MS/MS multiple-reaction-monitoring (MRM) calibration.

Betamethasone Impurity 89 (CAS CATO-C4X-143789) is a certified pharmaceutical impurity reference standard with the molecular formula N/A and a molecular weight of 399.46 g/mol.

Betamethasone Impurity 89 is supplied as a fully characterized reference material; its structural identity, assigned purity, and stability data are documented in the batch-specific Certificate of Analysis (COA).

CATO manufactures Betamethasone Impurity 89 under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.

Physical & Chemical Properties

Molecular FormulaC23H27AO6
Molecular Weight399.46 g/mol
AppearancePale yellow to yellow crystalline powder
Purity97%+
StorageStore at 2-8°C, protect from light, keep sealed and dry
Solubility (reference)Soluble in methanol, acetonitrile, DMSO, water (slightly soluble)
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light
Degree of Unsaturation (DBE)10.5
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present

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