4-Amino-5-(2-thienyl)-4H-1,2,4-triazole-3-thiol CAS 61019-27-0

Description

The occurrence of 4-Amino-5-(2-thienyl)-4H-1,2,4-triazole-3-thiol is closely related to a nitrile group, sulfur-containing functionality, an aromatic ring system in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.

4-Amino-5-(2-thienyl)-4H-1,2,4-triazole-3-thiol (CAS 61019-27-0), molecular formula C6H6N4S2 and molecular weight 198.27 g/mol, is a CATO reference standard with documented purity and traceability.

Owing to a nitrile group, sulfur-containing functionality, an aromatic ring system, 4-Amino-5-(2-thienyl)-4H-1,2,4-triazole-3-thiol is typically off-white to pale yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 198.27 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.

As a certified reference material (CRM), 4-Amino-5-(2-thienyl)-4H-1,2,4-triazole-3-thiol 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

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