Progesterone Impurity 89 CAS 28018-94-2

Purity ≥95%In StockPharmacopoeial Impurity Standards
CAS No.28018-94-2
Molecular FormulaC21H28I2O3
Molecular Weight582.25 g/mol
CategoryPharmacopoeial Impurity Standards / EP Impurities
AvailabilityIn Stock

Chemical Structure

Progesterone Impurity 89 CAS 28018-94-2 chemical structure

Description

CATO supplies Progesterone Impurity 89 (CAS 28018-94-2), a pharmacopoeial impurity standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C21H28I2O3. Molecular weight: 582.25 g/mol. Batch-specific COA and technical support are available on request.

Physical & Chemical Properties

Molecular FormulaC21H28I2O3
Molecular Weight582.25 g/mol
AppearanceOff-white to pale yellow crystalline powder. (slight halide-like odor, low volatility)
Purity≥95%
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)7.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1965
Halogen ContentI-containing

Related Progesterone Standards

Recommended Standards

Why CATO?