6089-09-4 4-Pentynoic acid Pent-4-ynoic acid 4-02-00-01693 (Beilstein Handbook Reference) BRN 1742047 EINECS 228-028-0 Pent-4-yn-1-oic acid Propargylacetic acid CAS 6089-09-4

Purity 97%+In StockPharmaceutical Standards
CAS No.6089-09-4
Molecular FormulaC5H6O2
Molecular Weight98.10 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

6089-09-4
4-Pentynoic acid
Pent-4-ynoic acid
4-02-00-01693 (Beilstein Handbook Reference)
BRN 1742047
EINECS 228-028-0
Pent-4-yn-1-oic acid
Propargylacetic acid CAS 6089-09-4 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 6089-09-4 4-Pentynoic acid Pent-4-ynoic acid 4-02-00-01693 (Beilstein Handbook Reference) BRN 1742047 EINECS 228-028-0 Pent-4-yn-1-oic acid Propargylacetic acid (CAS 6089-09-4), a certified reference material (molecular formula C5H6O2, MW 98.10 g/mol) for analytical method development and quality control.

Owing to a carboxylic acid group, a hydroxyl group, an ether linkage, 6089-09-4 4-Pentynoic acid Pent-4-ynoic acid 4-02-00-01693 (Beilstein Handbook Reference) BRN 1742047 EINECS 228-028-0 Pent-4-yn-1-oic acid Propargylacetic acid is typically white to off-white liquid. Its solid-state physicochemical attributes — including a molecular weight of 98.10 g/mol — guide the selection of appropriate sample preparation and analytical techniques. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).

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 FormulaC5H6O2
Molecular Weight98.10 g/mol
Purity97%+
StorageStore at 2-8°C
Solubility (reference)Soluble in methanol, acetonitrile, DMSO, water (slightly soluble)
StabilityMay oxidize slowly on prolonged air exposure
Degree of Unsaturation (DBE)3.0
UV AbsorptionUV-absorbing
CAS Registry Year (est.)1958

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