(1S,2S)-1,2-bis(3,5-dimethylphenyl)ethane-1,2-diol CAS 196605-90-0

Purity 97%+In StockPharmaceutical Standards
CAS No.196605-90-0
Molecular FormulaC18H22O2
Molecular Weight270.37 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

(1S,2S)-1,2-bis(3,5-dimethylphenyl)ethane-1,2-diol CAS 196605-90-0 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.

CATO supplies (1S,2S)-1,2-bis(3,5-dimethylphenyl)ethane-1,2-diol (CAS 196605-90-0), a certified reference material (molecular formula C18H22O2, MW 270.37 g/mol) for analytical method development and quality control.

Based on its molecular formula C18H22O2, (1S,2S)-1,2-bis(3,5-dimethylphenyl)ethane-1,2-diol 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 270.37 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.

CATO manufactures (1S,2S)-1,2-bis(3,5-dimethylphenyl)ethane-1,2-diol 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 FormulaC18H22O2
Molecular Weight270.37 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)8.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)2013

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