4-Mercapto-1H-1,2,3-triazole-5-carbohydrazide CAS 113137-62-5
| CAS No. | 113137-62-5 |
| Molecular Formula | C3H5N5OS |
| Molecular Weight | 159.17 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Owing to an amide group, sulfur-containing functionality, a hydroxyl group, an ether linkage, 4-Mercapto-1H-1,2,3-triazole-5-carbohydrazide is typically off-white to pale yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 159.17 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.
4-Mercapto-1H-1,2,3-triazole-5-carbohydrazide (CAS 113137-62-5) is a high-purity analytical reference standard with the molecular formula C3H5N5OS and a molecular weight of 159.17 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.
CATO manufactures 4-Mercapto-1H-1,2,3-triazole-5-carbohydrazide under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C3H5N5OS |
| Molecular Weight | 159.17 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1989 |
| Nitrogen Atoms | 5 |
| Sulfur Atoms | 1 |
Related Mercapto Standards
- 5-Mercapto-4-propyl-4H-[1,2,4]triazol-3-ol (CAS 114252-51-6)
- (4-Ethyl-5-mercapto-4H-1,2,4-triazol-3-yl)methanol (CAS 497854-97-4)
- 1-(5-Mercapto-3-methyl-1H-1,2,4-triazol-4(5H)-yl)ethanone (CAS 65348-44-9)
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Recommended Standards
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- 2-(2,5-Dioxohexahydroimidazo[4,5-d]imidazol-1(2H)-yl)propanoic acid (CAS 436811-13-1)
- 3-Borono-2-chlorobenzoic acid (CAS 1314264-58-8)
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Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
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