2-Methyl-1,3-di-m-tolylpropane-1,3-dione CAS 832739-52-3

Purity 97%+In StockPharmaceutical Standards
CAS No.832739-52-3
Molecular FormulaC18H18O2
Molecular Weight266.33 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

2-Methyl-1,3-di-m-tolylpropane-1,3-dione CAS 832739-52-3 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.

2-Methyl-1,3-di-m-tolylpropane-1,3-dione (CAS 832739-52-3), molecular formula C18H18O2 and molecular weight 266.33 g/mol, is a CATO reference standard with documented purity and traceability.

Based on its molecular formula C18H18O2, 2-Methyl-1,3-di-m-tolylpropane-1,3-dione contains a steroid core, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 266.33 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The high carbon-to-hydrogen ratio imparts good lipophilicity, allowing liquid-liquid extraction with non-polar solvents such as n-hexane or ethyl acetate.

As a certified reference material (CRM), 2-Methyl-1,3-di-m-tolylpropane-1,3-dione 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 FormulaC18H18O2
Molecular Weight266.33 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.)1986

Recommended Standards

Why CATO?