4-Chloro-3-nitro-1H-pyrazole-5-carboxylic acid CAS 84547-92-2
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 84547-92-2 |
| Molecular Formula | C4H2ClN3O4 |
| Molecular Weight | 191.53 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-Chloro-3-nitro-1H-pyrazole-5-carboxylic acid (CAS 84547-92-2) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C4H2ClN3O4. Molecular weight: 191.53 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C4H2ClN3O4 |
| Molecular Weight | 191.53 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, faint amine-like odor) |
| 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 methanol, ethanol, DMSO, water |
| 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) | 5.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1981 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 3 |
Related Chloro Standards
- 5-Chloro-4-nitro-1H-pyrazole-3-carboxylic acid (CAS 1301754-03-9)
- 3-Chloro-2,4,5-trifluorobenzonitrile (CAS 104455-98-3)
- 5-Chloro-2-fluoro-4-nitrophenol (CAS 1500154-08-4)
- 2-Chloro-3-fluoro-4-nitrophenol (CAS 1632444-57-5)
- 6-Chloro-2-fluoro-3-nitrophenol (CAS 1781315-33-0)
- 3-Chloro-4-fluoro-5-nitrophenol (CAS 1799412-26-2)
- 2-Chloro-6-fluoro-3-nitrophenol (CAS 1804405-11-5)
- 3-Chloro-2-fluoro-4-nitrophenol (CAS 1805115-08-5)
Recommended Standards
- 6-Hydroxychlorzoxazone- (CAS 475295-90-0)
- 3-Chloro-2,2-bis(chloromethyl)propan-1-ol (CAS 813-99-0)
- Gallium antimonide (CAS 12064-03-8)
- 2-(4-Isopropylbenzoyl)benzoic acid (CAS 7471-33-2)
- 2-((2-Hexyl-1H-imidazol-1-yl)oxy)-2-oxoacetic acid (CAS 102504-43-8)
- 2-(4-(N-methyl-2-phenoxyacetamido)phenyl)acetic acid (CAS 1018292-09-5)
- 4-Pyrimidinamine, monohydrochloride (CAS 174500-31-3)
- (S)-2-Amino-5-phosphonopentanoic acid hydrochloride (CAS 95306-96-0)
- 3-(pyridin-2-ylamino)propanoic acid hydrochloride (CAS 1181458-18-3)
- Insulin Degludec Impurity 27 (CAS CATO-C4X-215727)
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