3,3-Dimethyl-5-oxo-3H-1,2,4-triazole-4(5H)-carboxamide CAS 119493-09-3
| CAS No. | 119493-09-3 |
| Molecular Formula | C5H8N4O2 |
| Molecular Weight | 156.14 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
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.
CATO supplies 3,3-Dimethyl-5-oxo-3H-1,2,4-triazole-4(5H)-carboxamide (CAS 119493-09-3), a certified reference material (molecular formula C5H8N4O2, MW 156.14 g/mol) for analytical method development and quality control.
3,3-Dimethyl-5-oxo-3H-1,2,4-triazole-4(5H)-carboxamide (C5H8N4O2) contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage. It is notably hygroscopic, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
CATO manufactures 3,3-Dimethyl-5-oxo-3H-1,2,4-triazole-4(5H)-carboxamide 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 | C5H8N4O2 |
| Molecular Weight | 156.14 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (faint amine-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1991 |
| Nitrogen Atoms | 4 |
Related Dimethyl Standards
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Recommended Standards
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