3H-Pyrazolo[4,3-c]pyridine CAS 271-51-2
| CAS No. | 271-51-2 |
| Molecular Formula | C6H5N3 |
| Molecular Weight | 119.12 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
3H-Pyrazolo[4,3-c]pyridine (CAS 271-51-2), molecular formula C6H5N3 and molecular weight 119.12 g/mol, is a CATO reference standard with documented purity and traceability.
3H-Pyrazolo[4,3-c]pyridine (C6H5N3) contains a nitrile group, an aromatic ring system. Its physicochemical properties are representative of its class; these physicochemical properties determine the optimal preparation and storage of its standard solutions. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
CATO manufactures 3H-Pyrazolo[4,3-c]pyridine under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
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)
- 2H-Pyrazolo[4,3-b]pyridine (CAS 272-51-5)
- 3h-Pyrazolo[3,4-c]pyridine (CAS 271-46-5)
- 3H-Pyrazolo[4,3-b]pyridine (CAS 40865-12-1)
- 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
- 3-Hydroxy-2-(methylamino)propanoic acid (CAS 2076-49-5)
- 3-Methylpyrazine-2-carbonitrile (CAS 65735-15-1)
- 3-Ethynylpyridine 1-oxide (CAS 49836-11-5)
- 4-(3H-Diazirin-3-yl)pyridine (CAS 56752-30-8)
- 4-(2-(Diphenylphosphorothioyl)ethoxy)benzaldehyde (CAS 919992-15-7)
- 8-Methoxy-2-oxo-2,3,4,5-tetrahydro-1h-benzo[b]azepine-7-sulfonamide (CAS 1421605-12-0)
- 4-Bromo-2,3,6-trifluorobenzoic Acid (CAS 415965-35-4)
- 4-Hydroxy-6-oxo-1,6-dihydropyrimidine-5-carbaldehyde oxime (CAS 29955-37-1)
- 3-Bromo-2-(2'-fluorobenzyloxy)-5-methylphenylboronic acid (CAS 849062-18-6)
- 9-Methyl-3,9-diazaspiro[5.5]undecane-2,4-dione (CAS 1342231-45-1)
- 2-[(4-nitro-1h-pyrazol-1-yl)methyl]benzoic acid (CAS 925145-56-8)
- 1-(4-Isopropylphenyl)-1H-pyrrole-2,5-dione (CAS 78987-56-1)
- Naproxen EP Impurity B (CAS 89617-86-7)
- Semaglutide Impurity 166 (CAS 1395881-03-4)
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 18665070610 / Nicole.chen@cato-chem.com