1-(5-Amino-1,2,4-thiadiazol-3-yl)ethanone CAS 98259-38-2

Purity 97%+In StockPharmaceutical Standards
CAS No.98259-38-2
Molecular FormulaC4H5N3OS
Molecular Weight143.17 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

1-(5-Amino-1,2,4-thiadiazol-3-yl)ethanone CAS 98259-38-2 chemical structure

Description

Structurally, 1-(5-Amino-1,2,4-thiadiazol-3-yl)ethanone (C4H5N3OS) contains an amide group, sulfur-containing functionality, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 4.0, corresponding to approximately 4 ring(s) or double-bond equivalent(s). With a molecular weight of 143.17 g/mol, it falls into the low-molecular-weight range. 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).

1-(5-Amino-1,2,4-thiadiazol-3-yl)ethanone (CAS 98259-38-2) is a high-purity analytical reference standard with the molecular formula C4H5N3OS and a molecular weight of 143.17 g/mol.

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

As a certified reference material (CRM), 1-(5-Amino-1,2,4-thiadiazol-3-yl)ethanone meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.

Physical & Chemical Properties

Molecular FormulaC4H5N3OS
Molecular Weight143.17 g/mol
Purity97%+
StorageStore at 2-8°C, protect from light
Solubility (reference)Soluble in DMSO, DMF, methanol
StabilityLight-sensitive; avoid direct strong light
Degree of Unsaturation (DBE)4.0
UV AbsorptionUV-absorbing
CAS Registry Year (est.)1985
Nitrogen Atoms3
Sulfur Atoms1

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