3-O-Benzyl 17α-Estradiol 17-O-(4-Nitrobenzoate) CAS 229486-10-6

Purity 97%+In StockPharmaceutical Standards
CAS No.229486-10-6
Molecular FormulaC32H33NO5
Molecular Weight511.61 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

3-O-Benzyl 17α-Estradiol 17-O-(4-Nitrobenzoate) CAS 229486-10-6 chemical structure

Description

Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including 3-O-Benzyl 17α-Estradiol 17-O-(4-Nitrobenzoate).

3-O-Benzyl 17α-Estradiol 17-O-(4-Nitrobenzoate) (CAS 229486-10-6), molecular formula C32H33NO5 and molecular weight 511.61 g/mol, is a CATO reference standard with documented purity and traceability.

Based on its molecular formula C32H33NO5, 3-O-Benzyl 17α-Estradiol 17-O-(4-Nitrobenzoate) contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 511.61 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.

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

As a certified reference material (CRM), 3-O-Benzyl 17α-Estradiol 17-O-(4-Nitrobenzoate) 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 FormulaC32H33NO5
Molecular Weight511.61 g/mol
AppearancePale yellow to yellow crystalline powder
Purity97%+
StorageStore at room temperature, 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)17.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)2022
Nitrogen Atoms1

Recommended Standards

Why CATO?