1-Ethyl-1H-benzo[d][1,2,3]triazole-5-carboxylic acid CAS 691363-31-2
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 691363-31-2 |
| Molecular Formula | C9H9N3O2 |
| Molecular Weight | 191.19 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
1-Ethyl-1H-benzo[d][1,2,3]triazole-5-carboxylic acid (CAS 691363-31-2) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C9H9N3O2. Molecular weight: 191.19 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C9H9N3O2 |
| Molecular Weight | 191.19 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) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1985 |
| Nitrogen Atoms | 3 |
Recommended Standards
- 1-cyclopropyl-6-methyl-2,4-dioxo-1,2,3,4-tetrahydropyrimidine-5-carbonitrile (CAS 2044712-97-0)
- 1-Ethyl-1h-pyrazolo[3,4-b]pyridine-5-carboxylic acid (CAS 926207-75-2)
- 1-Cyano-2-(pyrazin-2(1H)-ylidene)ethyl acetate (CAS 89876-58-4)
- N-(4-(N-(thiazol-2-yl)sulfamoyl)phenyl)-2-(m-tolyloxy)acetamide (CAS 312604-35-6)
- 2-{[4-(2-fluorophenyl)-5-(3,4,5-trimethoxyphenyl)-4h-1,2,4-triazol-3-yl]sulfanyl}acetic acid (CAS 746607-41-0)
- 6-Bromo-4-(dibromomethyl)-5,5-dimethylbicyclo[2.1.1]Hexane-1-carboxamide (CAS 313270-34-7)
- Methyl 4-(((3-(3-ethoxyphenyl)-5-thioxo-1H-1,2,4-triazol-4(5H)-yl)imino)methyl)benzoate (CAS 733031-47-5)
- 5-(2-Ethylpyridin-4-yl)furan-2-carbaldehyde (CAS 342601-11-0)
- 3-Cyclopropoxy-2-methoxypyridine-4-sulfonamide (CAS 1243481-69-7)
- Neuropeptide Y (13-36) (human, rat) (CAS 122341-40-6)
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