1,5-Di-p-tolylpenta-1,4-dien-3-one CAS 621-98-7

Purity 97%+In StockPharmaceutical Standards
CAS No.621-98-7
Molecular FormulaC19H18O
Molecular Weight262.35 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

1,5-Di-p-tolylpenta-1,4-dien-3-one CAS 621-98-7 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.

1,5-Di-p-tolylpenta-1,4-dien-3-one (CAS 621-98-7) is a high-purity analytical reference standard with the molecular formula C19H18O and a molecular weight of 262.35 g/mol.

Owing to a steroid core, a hydroxyl group, an ether linkage, 1,5-Di-p-tolylpenta-1,4-dien-3-one is typically pale yellow to yellow low-melting solid. Its solid-state physicochemical attributes — including a molecular weight of 262.35 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).

CATO manufactures 1,5-Di-p-tolylpenta-1,4-dien-3-one 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.

Physical & Chemical Properties

Molecular FormulaC19H18O
Molecular Weight262.35 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)11.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1957

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