1-(Pyridin-2-yl)-1h-pyrazole-4-carboxylic acid CAS 77556-50-4
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 77556-50-4 |
| Molecular Formula | C9H7N3O2 |
| Molecular Weight | 189.17 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
1-(Pyridin-2-yl)-1h-pyrazole-4-carboxylic acid (CAS 77556-50-4) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C9H7N3O2. Molecular weight: 189.17 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C9H7N3O2 |
| Molecular Weight | 189.17 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 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) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1979 |
| Nitrogen Atoms | 3 |
Related Pyridin Standards
- 1-(Pyridin-2-yl)-1H-pyrazole-3-carboxylic acid (CAS 1014631-58-3)
- 1-(Pyridin-3-yl)-1H-pyrazole-3-carboxylic acid (CAS 1014631-62-9)
- 1-(Pyridin-3-yl)-1H-pyrazole-4-carboxylic acid (CAS 1014631-89-0)
- 5-(Pyridin-3-yl)-1h-pyrazole-4-carboxylic acid (CAS 1152539-87-1)
- 3-(Pyridin-2-yl)-1H-pyrazole-4-carboxylic acid (CAS 1152539-92-8)
- 1-(Pyridin-4-yl)-1H-pyrazole-4-carboxylic acid (CAS 1155066-46-8)
- 4-(Pyridin-3-yl)-1H-pyrazole-3-carboxylic acid (CAS 117784-26-6)
- 4-(Pyridin-4-yl)-1H-pyrazole-3-carboxylic acid (CAS 117784-27-7)
Recommended Standards
- 1-(4-Pyridinyl)-1H-pyrazole-3-carboxylic acid (CAS 911463-81-5)
- 12-methyl-5-oxa-1,10,11-triazatricyclo[6.4.0.0²,⁶]dodeca-2(6),3,7,11-tetraen-9-one (CAS 91206-31-4)
- 1-(4-Nitrophenyl)-2,3-butadien-1-one (CAS 215256-90-9)
- 4-(1,1-Difluoroethyl)benzenethiol (CAS 1892499-40-9)
- (E)-3-(3-Chlorophenyl)acrylonitrile (CAS 14378-03-1)
- 6-Bromo-5-(hydroxymethyl)pyridin-3-ol (CAS 1807115-69-0)
- 6-Acetyl-2-(4-nitrophenyl)quinoline-4-carboxylic acid (CAS 89684-56-0)
- Benzo[b][1,4]dioxin-2(3H)-one (CAS 4385-48-2)
- 5-Bromo-6-ethoxy-3-nitropyridin-2-amine (CAS 239791-62-9)
- Cholecystokinin Octapeptide (1-5) (desulfated) (CAS 121880-96-4)
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