3-Cyclopentylpropionic acid CAS 140-77-2

Purity >95%In StockPharmaceutical Standards
CAS No.140-77-2
Molecular FormulaC8H14O2
Molecular Weight142.20 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

3-Cyclopentylpropionic acid CAS 140-77-2 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.

3-Cyclopentylpropionic acid (CAS 140-77-2) is a high-purity analytical reference standard with the molecular formula C8H14O2 and a molecular weight of 142.20 g/mol.

3-Cyclopentylpropionic acid (C8H14O2) contains a carboxylic acid group, a hydroxyl group, an ether linkage. The carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions.

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.

Physical & Chemical Properties

Molecular FormulaC8H14O2
Molecular Weight142.20 g/mol
Purity>95%
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.)1957

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