3-Methylbut-2-enamide CAS 4479-75-8

Purity 97%+In StockPharmaceutical Standards
CAS No.4479-75-8
Molecular FormulaC5H9NO
Molecular Weight99.13 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

3-Methylbut-2-enamide CAS 4479-75-8 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.

3-Methylbut-2-enamide (CAS 4479-75-8) is a high-purity analytical reference standard with the molecular formula C5H9NO and a molecular weight of 99.13 g/mol.

Owing to an amide group, a hydroxyl group, an ether linkage, 3-Methylbut-2-enamide is typically white to off-white liquid. Its solid-state physicochemical attributes — including a molecular weight of 99.13 g/mol — guide the selection of appropriate sample preparation and analytical techniques. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.

Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.

Physical & Chemical Properties

Molecular FormulaC5H9NO
Molecular Weight99.13 g/mol
Purity97%+
StorageStore at 2-8°C, protect from light
Solubility (reference)Soluble in methanol, acetonitrile, DMSO, water (slightly soluble)
StabilityLight-sensitive; avoid direct strong light
Degree of Unsaturation (DBE)2.0
CAS Registry Year (est.)1958
Nitrogen Atoms1

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