Norethisterone Acetate EP Impurity B CAS 19637-28-6

Purity >95%In StockPharmacopoeial Impurity Standards
CAS No.19637-28-6
Molecular FormulaC22H28O3
Molecular Weight340.46 g/mol
CategoryPharmacopoeial Impurity Standards / EP Impurities
AvailabilityIn Stock

Chemical Structure

Norethisterone Acetate EP Impurity B CAS 19637-28-6 chemical structure

Description

Order Norethisterone Acetate EP Impurity B (CAS 19637-28-6) pharmacopoeial impurity standards reference standard from CATO: ISO 17034 accredited producer, 130,000+ catalog items in stock. Molecular formula: C22H28O3. Molecular weight: 340.46 g/mol. COA included with every batch.

Physical & Chemical Properties

Molecular FormulaC22H28O3
Molecular Weight340.46 g/mol
AppearancePale yellow to yellow crystalline powder
Purity>95%
StorageStore at 2-8°C, 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
Degree of Unsaturation (DBE)9.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1962

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