4-(3,5-Dioxo-3H-1,2,4-triazol-4(5H)-yl)benzoic acid CAS 52203-74-4
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 52203-74-4 |
| Molecular Formula | C9H5N3O4 |
| Molecular Weight | 219.15 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 4-(3,5-Dioxo-3H-1,2,4-triazol-4(5H)-yl)benzoic acid (CAS 52203-74-4), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C9H5N3O4. Molecular weight: 219.15 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C9H5N3O4 |
| Molecular Weight | 219.15 g/mol |
| Appearance | Pale yellow to 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 |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1971 |
| Nitrogen Atoms | 3 |
Related Dioxo Standards
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Recommended Standards
- 3-Bromo-4-(trimethylsilyl)-1H-pyrazole (CAS 78907-82-1)
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- (S)-4-((1-isopropyl-1H-indol-3-yl)methyl)-2-methyl-4,5-dihydrooxazole (CAS 2195357-73-2)
- 6-((9-Oxo-9,10-dihydroacridin-1-yl)amino)hexanoic acid (CAS 141523-41-3)
- 2,4,5-Trimethyl-4,5-dihydro-1H-imidazole-4,5-diol (CAS 740025-56-3)
- (2'OMe-5'p-A)pG TEA Salt (CAS 62828-60-8)
- 2-Ethylquinazolin-4(3h)-imine (CAS 83702-20-9)
- (3S,7R,8AS)-3-(tert-butyl)octahydropyrrolo[1,2-a]pyrazin-7-ol (CAS 1932425-03-0)
- Acetyl-Tau Peptide (273-284) amide trifluoroacetate salt (CAS 1684399-52-7)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 13829788188 / jacky.chen@cato-chem.com