2-Methyl-3-butyn-2-ol CAS 115-19-5

Purity 97%+In StockPharmaceutical Standards
CAS No.115-19-5
Molecular FormulaC5H8O
Molecular Weight84.12 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

2-Methyl-3-butyn-2-ol CAS 115-19-5 chemical structure

Description

Based on its molecular formula C5H8O, 2-Methyl-3-butyn-2-ol contains a hydroxyl group, an ether linkage; these features give the compound characteristic functional-group stretching vibrations in infrared spectroscopy. The molecular weight of 84.12 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry.

2-Methyl-3-butyn-2-ol (CAS 115-19-5) is a high-purity analytical reference standard with the molecular formula C5H8O and a molecular weight of 84.12 g/mol.

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.

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 FormulaC5H8O
Molecular Weight84.12 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.)1957

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