2H-Benzo[d][1,2,3]triazole-5-carboxylic acid CAS 49636-03-5
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 49636-03-5 |
| Molecular Formula | C7H5N3O2 |
| Molecular Weight | 163.13 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 2H-Benzo[d][1,2,3]triazole-5-carboxylic acid (CAS 49636-03-5), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C7H5N3O2. Molecular weight: 163.13 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C7H5N3O2 |
| Molecular Weight | 163.13 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.) | 1971 |
| Nitrogen Atoms | 3 |
Related H Standards
- 4H-Benzo[d][1,2,3]triazole-5-carboxylic acid (CAS 1288339-47-8)
- Benzo[c][1,2,5]oxadiazole-5-carboxamide (CAS 1344682-47-8)
- Benzo[d]isoxazole-6-carboxylic acid (CAS 1352907-05-1)
- Benzo[c]isoxazole-5-carboxylic acid (CAS 1509783-03-2)
- Benzo[d]oxazole-6-carboxylic acid (CAS 154235-77-5)
- Benzo[d]isoxazole-4-carboxylic acid (CAS 1554164-82-7)
- 1H-Benzo[d][1,2,3]triazole-1-carboxylic acid (CAS 60932-58-3)
- Benzo[c][1,2,5]oxadiazole-4-carboxamide (CAS 408502-46-5)
Recommended Standards
- 2H-1,4-Benzoxazine-2,3(4H)-dione (CAS 3597-63-5)
- 2H-pyrazolo[4,3-b]pyridine-3-carboxylic acid (CAS 2819670-61-4)
- 2H,3H,4H-pyrido[1,2-a][1,3,5]triazine-2,4-dione (CAS 26737-41-7)
- 4,7-Dimethyl-5-nitro-1H-benzo[d]imidazole (CAS 170918-29-3)
- 4-(3-Pyridinyl)phenylboronic Acid Pinacol Ester (CAS 929203-04-3)
- tert-Butyl 3-(2-aminopyrimidin-4-yl)pyrrolidine-1-carboxylate (CAS 1823811-53-5)
- 2-(1-(Nitromethyl)cyclobutyl)acetic acid (CAS 779310-32-6)
- (3,5-Dichlorophenyl)(2-methylpiperazin-1-yl)methanone hydrochloride (CAS 1583738-95-7)
- (9-Benzyl-9H-purin-6-yl)-benzylamine (CAS 4059-09-0)
- Tau Peptide (244-274) (Repeat 1 Domain) trifluoroacetate salt (CAS 330456-24-1)
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