(4-Amino-5-mercapto-4H-1,2,4-triazol-3-yl)methanol CAS 76858-25-8

Purity 97%+In StockPharmaceutical Standards
CAS No.76858-25-8
Molecular FormulaC3H6N4OS
Molecular Weight146.17 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

(4-Amino-5-mercapto-4H-1,2,4-triazol-3-yl)methanol CAS 76858-25-8 chemical structure

Description

(4-Amino-5-mercapto-4H-1,2,4-triazol-3-yl)methanol (CAS 76858-25-8), molecular formula C3H6N4OS and molecular weight 146.17 g/mol, is a CATO reference standard with documented purity and traceability.

Structurally, (4-Amino-5-mercapto-4H-1,2,4-triazol-3-yl)methanol (C3H6N4OS) contains an amide group, sulfur-containing functionality, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 3.0, corresponding to approximately 3 ring(s) or double-bond equivalent(s). With a molecular weight of 146.17 g/mol, it falls into the low-molecular-weight range. 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-mercapto-4H-1,2,4-triazol-3-yl)methanol 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 FormulaC3H6N4OS
Molecular Weight146.17 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)3.0
UV AbsorptionUV-absorbing
CAS Registry Year (est.)1978
Nitrogen Atoms4
Sulfur Atoms1

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