3B,4a-dihydrobenzo[12,1]tetrapheno[5,6-b]oxirene CAS 37574-47-3

Purity 97%+In StockPharmaceutical Standards
CAS No.37574-47-3
Molecular FormulaC20H12O
Molecular Weight268.31 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

3B,4a-dihydrobenzo[12,1]tetrapheno[5,6-b]oxirene CAS 37574-47-3 chemical structure

Description

Structurally, 3B,4a-dihydrobenzo[12,1]tetrapheno[5,6-b]oxirene (C20H12O) contains a steroid core, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 15.0, corresponding to approximately 15 ring(s) or double-bond equivalent(s). With a molecular weight of 268.31 g/mol, it falls into the medium-molecular-weight range. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).

3B,4a-dihydrobenzo[12,1]tetrapheno[5,6-b]oxirene (CAS 37574-47-3) is a high-purity analytical reference standard with the molecular formula C20H12O and a molecular weight of 268.31 g/mol.

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), 3B,4a-dihydrobenzo[12,1]tetrapheno[5,6-b]oxirene 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 FormulaC20H12O
Molecular Weight268.31 g/mol
Purity97%+
StorageStore at 2-8°C, protect from light
Solubility (reference)Soluble in chloroform, dichloromethane, ethyl acetate, DMSO
StabilityLight-sensitive; avoid direct strong light
Degree of Unsaturation (DBE)15.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1967

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