2H-Pyrazolo[4,3-b]pyridine CAS 272-51-5
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 272-51-5 |
| Molecular Formula | C6H5N3 |
| Molecular Weight | 119.12 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Order 2H-Pyrazolo[4,3-b]pyridine (CAS 272-51-5) pharmaceutical standards reference standard from CATO: ISO 17034 accredited producer, 130,000+ catalog items in stock. Molecular formula: C6H5N3. Molecular weight: 119.12 g/mol. COA included with every batch.
Physical & Chemical Properties
| Molecular Formula | C6H5N3 |
| Molecular Weight | 119.12 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
| Nitrogen Atoms | 3 |
Related H Standards
- 2H-Pyrazolo[3,4-b]pyridine (CAS 271-71-6)
- 3h-Pyrazolo[3,4-c]pyridine (CAS 271-46-5)
- 3H-Pyrazolo[4,3-b]pyridine (CAS 40865-12-1)
- 3H-Pyrazolo[4,3-c]pyridine (CAS 271-51-2)
- 5H-Pyrazolo[4,3-c]pyridine (CAS 271-49-8)
- pyrazolo[1,5-a]pyrazine (CAS 24973-85-1)
- Pyrazolo[1,5-b]pyridazine (CAS 35731-27-2)
- Pyrazolo[1,5-c]pyrimidine (CAS 274-57-7)
Recommended Standards
- 2H-Pyrrolo[2,3-d]pyrimidine (CAS 326-98-7)
- 2H-Benzo[d][1,2,3]triazole (CAS 273-02-9)
- 2-hydroxy-N-(2-hydroxyethyl)acetamide (CAS 3586-25-2)
- 2-[4-(4-fluorophenyl)-1h-imidazol-2-yl]ethan-1-amine dihydrochloride (CAS 1354954-23-6)
- 3-Bromo-2-chloro-5-cyclopropylpyridine (CAS 1638771-41-1)
- 5-Acetyl-1-(2-((3-chloro-5-(trifluoromethyl)pyridin-2-yl)amino)ethyl)pyrimidine-2,4(1H,3H)-dione (CAS 338399-27-2)
- 1-(4-Methoxybenzyl)pyrrolidin-3-amine dihydrochloride (CAS 61695-08-7)
- 5-Nitro-2-[2-(2-piperidinyl)ethoxy]pyridinehydrochloride (CAS 1219976-60-9)
- 5-ethyl-3-methylfuran-2-carboxylic acid (CAS 3736-80-9)
- Insulin Degludec Impurity 14 (CAS CATO-C4X-215714)
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