rel-(1s,3R,5S)-3,5-dimethylcyclohexanecarboxylic acid CAS 87679-18-3

Purity 97%+In StockPharmaceutical Standards
CAS No.87679-18-3
Molecular FormulaC9H16O2
Molecular Weight156.22 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

rel-(1s,3R,5S)-3,5-dimethylcyclohexanecarboxylic acid CAS 87679-18-3 chemical structure

Description

The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.

rel-(1s,3R,5S)-3,5-dimethylcyclohexanecarboxylic acid (CAS 87679-18-3) is a high-purity analytical reference standard with the molecular formula C9H16O2 and a molecular weight of 156.22 g/mol.

Owing to a carboxylic acid group, a hydroxyl group, an ether linkage, rel-(1s,3R,5S)-3,5-dimethylcyclohexanecarboxylic acid is typically white to off-white crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 156.22 g/mol — guide the selection of appropriate sample preparation and analytical techniques.

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.

Physical & Chemical Properties

Molecular FormulaC9H16O2
Molecular Weight156.22 g/mol
Purity97%+
StorageStore at 2-8°C
Solubility (reference)Soluble in methanol, acetonitrile, DMSO, water (slightly soluble)
StabilityStable under recommended storage conditions
Degree of Unsaturation (DBE)2.0
CAS Registry Year (est.)1982

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