5-Oxo-1,5-dihydro-[1,2,4]triazolo[4,3-a]pyrimidine-6-carboxylic acid CAS 880451-11-6
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 880451-11-6 |
| Molecular Formula | C6H4N4O3 |
| Molecular Weight | 180.12 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
5-Oxo-1,5-dihydro-[1,2,4]triazolo[4,3-a]pyrimidine-6-carboxylic acid (CAS 880451-11-6) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C6H4N4O3. Molecular weight: 180.12 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C6H4N4O3 |
| Molecular Weight | 180.12 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) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Nitrogen Atoms | 4 |
Related Oxo Standards
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- 7-Oxo-1,7-dihydro-[1,2,4]triazolo[1,5-a]pyrimidine-6-carboxylic acid (CAS 220493-61-8)
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Recommended Standards
- 5-Nitrobenzo[d]isoxazol-7-ol (CAS 55477-52-6)
- 6-Nitro-[1,2,4]triazolo[1,5-a]pyrimidin-2-amine (CAS 80773-01-9)
- 5-Nitrobenzo[d]isoxazol-6-ol (CAS 2092501-37-4)
- 3,6-Dihydroxy-2-methylquinazolin-4(3H)-one hydrochloride (CAS 1993010-58-4)
- (1H-Pyrrolo[2,3-b]pyridin-2-yl)boronic acid (CAS 1286777-16-9)
- 2-Benzyl-6,8-dibromo-[1,2,4]triazolo[1,5-a]pyrazine (CAS 2428557-51-9)
- 2-{[3-cyano-6-(3-methoxyphenyl)-4-(trifluoromethyl)pyridin-2-yl]sulfanyl}-N-(1,3,4-thiadiazol-2-yl)acetamide (CAS 625378-18-9)
- 3-Methoxy-11H-benzo[a]carbazole (CAS 6132-90-7)
- Noscapine-13C,d3 (CAS 1217680-57-3)
- Fibrinogen-Binding Peptide (CAS 137235-80-4)
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