4-Methyl-7-(2-propyn-1-yloxy)-2H-1-benzopyran-2-one CAS 67268-43-3

Purity 97%+In StockPharmaceutical Standards
CAS No.67268-43-3
Molecular FormulaC13H10O3
Molecular Weight214.22 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

4-Methyl-7-(2-propyn-1-yloxy)-2H-1-benzopyran-2-one CAS 67268-43-3 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 4-Methyl-7-(2-propyn-1-yloxy)-2H-1-benzopyran-2-one.

CATO supplies 4-Methyl-7-(2-propyn-1-yloxy)-2H-1-benzopyran-2-one (CAS 67268-43-3), a certified reference material (molecular formula C13H10O3, MW 214.22 g/mol) for analytical method development and quality control.

Structurally, 4-Methyl-7-(2-propyn-1-yloxy)-2H-1-benzopyran-2-one (C13H10O3) contains a carboxylic acid group, a hydroxyl group, an ether linkage, an aromatic ring system. The molecule exhibits a degree of unsaturation (DBE) of 9.0, corresponding to approximately 9 ring(s) or double-bond equivalent(s). With a molecular weight of 214.22 g/mol, it falls into the medium-molecular-weight range. The high carbon-to-hydrogen ratio imparts good lipophilicity, allowing liquid-liquid extraction with non-polar solvents such as n-hexane or ethyl acetate.

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

CATO manufactures 4-Methyl-7-(2-propyn-1-yloxy)-2H-1-benzopyran-2-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 FormulaC13H10O3
Molecular Weight214.22 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 chloroform, dichloromethane, ethyl acetate, DMSO
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening
Degree of Unsaturation (DBE)9.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1976

Related Methyl Standards

Recommended Standards

Why CATO?