Progesterone Impurity 17 CAS 20248-18-4

Purity 97%+In StockPharmaceutical Standards
CAS No.20248-18-4
Molecular FormulaC22H30O3
Molecular Weight342.47 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

Progesterone Impurity 17 CAS 20248-18-4 chemical structure

Description

As a certified reference material (CRM), Progesterone Impurity 17 meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.

Progesterone Impurity 17 (CAS 20248-18-4) is a high-purity analytical reference standard with the molecular formula C22H30O3 and a molecular weight of 342.47 g/mol.

Owing to a steroid core, a hydroxyl group, an ether linkage, Progesterone Impurity 17 is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 342.47 g/mol — guide the selection of appropriate sample preparation and analytical techniques. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).

Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.

Physical & Chemical Properties

Molecular FormulaC22H30O3
Molecular Weight342.47 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 chloroform, dichloromethane, ethyl acetate, DMSO
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light
Degree of Unsaturation (DBE)8.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1962

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