Halometasone Impurity 3 CAS 67212-85-5

Purity 97%+In StockPharmacopoeial Impurity Standards
CAS No.67212-85-5
Molecular FormulaC22H25ClF2O4
Molecular Weight426.88 g/mol
CategoryPharmacopoeial Impurity Standards / EP Impurities
AvailabilityIn Stock

Chemical Structure

Halometasone Impurity 3 CAS 67212-85-5 chemical structure

Description

CATO supplies Halometasone Impurity 3 (CAS 67212-85-5), a pharmacopoeial impurity standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C22H25ClF2O4. Molecular weight: 426.88 g/mol. Batch-specific COA and technical support are available on request.

Physical & Chemical Properties

Molecular FormulaC22H25ClF2O4
Molecular Weight426.88 g/mol
AppearancePale yellow to yellow crystalline powder. (slight halide-like odor, low volatility)
Purity97%+
StorageStore at room temperature, protect from light, keep sealed and dry
Solubility (reference)Soluble in chloroform, dichloromethane, ethyl acetate, DMSO
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Contains ester bond; hydrolyzes under strong alkaline conditions
Degree of Unsaturation (DBE)9.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1976
Halogen ContentF/Cl-containing

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