(Z)-7-((R,Z)-2-((E)-Oct-2-en-1-ylidene)-5-oxocyclopent-3-en-1-yl)hept-5-enoic acid CAS 112839-31-3

Purity 97%+In StockPharmaceutical Standards
CAS No.112839-31-3
Molecular FormulaC20H28O3
Molecular Weight316.43 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

(Z)-7-((R,Z)-2-((E)-Oct-2-en-1-ylidene)-5-oxocyclopent-3-en-1-yl)hept-5-enoic acid CAS 112839-31-3 chemical structure

Description

CATO manufactures (Z)-7-((R,Z)-2-((E)-Oct-2-en-1-ylidene)-5-oxocyclopent-3-en-1-yl)hept-5-enoic acid under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.

(Z)-7-((R,Z)-2-((E)-Oct-2-en-1-ylidene)-5-oxocyclopent-3-en-1-yl)hept-5-enoic acid (CAS 112839-31-3), molecular formula C20H28O3 and molecular weight 316.43 g/mol, is a CATO reference standard with documented purity and traceability.

Structurally, (Z)-7-((R,Z)-2-((E)-Oct-2-en-1-ylidene)-5-oxocyclopent-3-en-1-yl)hept-5-enoic acid (C20H28O3) contains a steroid core, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 7.0, corresponding to approximately 7 ring(s) or double-bond equivalent(s). With a molecular weight of 316.43 g/mol, it falls into the moderately-high-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).

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.

Physical & Chemical Properties

Molecular FormulaC20H28O3
Molecular Weight316.43 g/mol
AppearanceOff-white to pale 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)7.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1989

Recommended Standards

Why CATO?