3-Chloro-1-(3-chloropyridin-2-yl)-1H-pyrazole-5-carboxylic acid CAS 458543-79-8
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 458543-79-8 |
| Molecular Formula | C9H5Cl2N3O2 |
| Molecular Weight | 258.06 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
3-Chloro-1-(3-chloropyridin-2-yl)-1H-pyrazole-5-carboxylic acid (CAS 458543-79-8) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C9H5Cl2N3O2. Molecular weight: 258.06 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C9H5Cl2N3O2 |
| Molecular Weight | 258.06 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, faint amine-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry, keep tightly closed to prevent evaporation |
| 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; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 3 |
Related Chloro Standards
- 5-Chloro-2-(2-chlorophenyl)-2H-1,2,3-triazole-4-carboxylic acid (CAS 1707371-68-3)
- 2-Chloro-N-(3-chloro-4-fluorophenyl)pyrimidin-4-amine (CAS 919200-71-8)
- 5-(3-Chloro-4-methoxyphenyl)-2-(chloromethyl)oxazole (CAS 1215990-56-9)
- (E)-5-chloro-3-(4-chlorobut-2-en-1-yl)benzo[d]oxazol-2(3H)-one (CAS 866150-27-8)
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Recommended Standards
- 3-(3,4-Dichlorophenyl)isoxazole-5-carboxylic acid (CAS 901926-64-5)
- 3-Iodo-1-methyl-1H-indazole (CAS 52088-10-5)
- 2-Iodo-1-methyl-1H-benzo[d]imidazole (CAS 34734-15-1)
- 5-[(3-Nitro-2-pyridinyl)sulfanyl]-1,3,4-thiadiazole-2-thiol (CAS 73768-73-7)
- ethyl (2Z)-[1-(4-fluorophenyl)-3,5-dimethyl-1H-pyrazol-4-yl](hydroxyimino)acetate (CAS 1006481-95-3)
- 3-Amino-5,6-difluoro-2,3-dihydro-1h-inden-1-one (CAS 1432679-56-5)
- 6-(o-Tolyl)pyrimidine-2,4(1H,3H)-dione (CAS 1309609-29-7)
- 6-Methylchromane-3-carbaldehyde (CAS 944899-42-7)
- Benzoxazole-6-boronic Acid Pinacol Ester (CAS 1810038-58-4)
- Myelin Basic Protein (85-99) Peptide Antagonist (CAS 444305-16-2)
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