Methyl 3-nitro-1h-1,2,4-triazole-5-carboxylate CAS 21733-00-6
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 21733-00-6 |
| Molecular Formula | C4H4N4O4 |
| Molecular Weight | 172.10 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Methyl 3-nitro-1h-1,2,4-triazole-5-carboxylate (CAS 21733-00-6) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C4H4N4O4. Molecular weight: 172.10 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C4H4N4O4 |
| Molecular Weight | 172.10 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 methanol, ethanol, DMSO, water |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1963 |
| Nitrogen Atoms | 4 |
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Recommended Standards
- Methyl 3,3,3-trifluoro-2-hydroxy-2-methylpropanoate (CAS 337-16-6)
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- Methyl 3-(trifluoromethoxy)propanoate (CAS 862374-86-5)
- N-(3-Chlorobenzyl)-3-((4-methoxy-N-methylphenyl)sulfonamido)thiophene-2-carboxamide (CAS 1115933-60-2)
- Ethyl 2-(isopropylamino)-3-(1h-pyrazol-1-yl)propanoate (CAS 1251361-40-6)
- Bromhexine Impurity 19 (CAS CATO-C4X-106019)
- (S)-(((1-(trifluoromethoxy)propan-2-yl)oxy)methyl)benzene (CAS 2414357-94-9)
- 1-Amino-4-(cyclohexylamino)-2-(2-hydroxyethoxy)anthracene-9,10-dione (CAS 25514-28-7)
- 2-((1H-1,2,3-Triazol-5-yl)thio)ethanamine (CAS 915919-69-6)
- Semaglutide impurity 67 (CAS CATO-C4X-222667)
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