2-Formyl-3,17β-O-bis(methoxymethyl)estradiol CAS 123715-80-0

Purity 97%+In StockPharmaceutical Standards
CAS No.123715-80-0
Molecular FormulaC23H32O5
Molecular Weight388.50 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

2-Formyl-3,17β-O-bis(methoxymethyl)estradiol CAS 123715-80-0 chemical structure

Description

This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.

2-Formyl-3,17β-O-bis(methoxymethyl)estradiol (CAS 123715-80-0), molecular formula C23H32O5 and molecular weight 388.50 g/mol, is a CATO reference standard with documented purity and traceability.

2-Formyl-3,17β-O-bis(methoxymethyl)estradiol (C23H32O5) contains a flavonoid core, a hydroxyl group, an ether linkage. The carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).

As a certified reference material (CRM), 2-Formyl-3,17β-O-bis(methoxymethyl)estradiol 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.

Physical & Chemical Properties

Molecular FormulaC23H32O5
Molecular Weight388.50 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)8.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1992

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