5-Amino-N-methyl-1H-1,2,4-triazole-1-carbothioamide CAS 21731-96-4

Purity 97%+In StockPharmaceutical Standards
CAS No.21731-96-4
Molecular FormulaC4H7N5S
Molecular Weight157.20 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

5-Amino-N-methyl-1H-1,2,4-triazole-1-carbothioamide CAS 21731-96-4 chemical structure

Description

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

5-Amino-N-methyl-1H-1,2,4-triazole-1-carbothioamide (CAS 21731-96-4), molecular formula C4H7N5S and molecular weight 157.20 g/mol, is a CATO reference standard with documented purity and traceability.

Owing to a nitrile group, sulfur-containing functionality, 5-Amino-N-methyl-1H-1,2,4-triazole-1-carbothioamide is typically off-white to pale yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 157.20 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.

As a certified reference material (CRM), 5-Amino-N-methyl-1H-1,2,4-triazole-1-carbothioamide 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 FormulaC4H7N5S
Molecular Weight157.20 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.)1963
Nitrogen Atoms5
Sulfur Atoms1

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