2-Thienylglyoxal hydrate CAS 51445-63-7

Purity 97%+In StockPharmaceutical Standards
CAS No.51445-63-7
Molecular FormulaC6H4O2S
Molecular Weight140.16 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

2-Thienylglyoxal hydrate CAS 51445-63-7 chemical structure

Description

2-Thienylglyoxal hydrate (CAS 51445-63-7) is a high-purity analytical reference standard with the molecular formula C6H4O2S and a molecular weight of 140.16 g/mol.

Owing to a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, an aromatic ring system, 2-Thienylglyoxal hydrate is typically off-white to pale yellow liquid. Its solid-state physicochemical attributes — including a molecular weight of 140.16 g/mol — guide the selection of appropriate sample preparation and analytical techniques. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).

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 FormulaC6H4O2S
Molecular Weight140.16 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)5.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1971
Sulfur Atoms1

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