1,2-Bis(4-methoxyphenyl)ethyne CAS 2132-62-9

Purity 97%+In StockPharmaceutical Standards
CAS No.2132-62-9
Molecular FormulaC16H14O2
Molecular Weight238.28 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

1,2-Bis(4-methoxyphenyl)ethyne CAS 2132-62-9 chemical structure

Description

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

1,2-Bis(4-methoxyphenyl)ethyne (CAS 2132-62-9), molecular formula C16H14O2 and molecular weight 238.28 g/mol, is a CATO reference standard with documented purity and traceability.

Based on its molecular formula C16H14O2, 1,2-Bis(4-methoxyphenyl)ethyne contains a carboxylic acid group, a hydroxyl group, an ether linkage, a polycyclic aromatic system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 238.28 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).

As a certified reference material (CRM), 1,2-Bis(4-methoxyphenyl)ethyne 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 FormulaC16H14O2
Molecular Weight238.28 g/mol
AppearancePale yellow to yellow crystalline powder
Purity97%+
StorageStore at 2-8°C, protect from light
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)10.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1957

Related Bis Standards

Recommended Standards

Why CATO?