4-chloro-3-nitro-1H-pyrazole CAS 400752-98-9
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 400752-98-9 |
| Molecular Formula | C3H6ClN3O2 |
| Molecular Weight | 151.55 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-chloro-3-nitro-1H-pyrazole (CAS 400752-98-9) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C3H6ClN3O2. Molecular weight: 151.55 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C3H6ClN3O2 |
| Molecular Weight | 151.55 g/mol |
| 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 | Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 2.0 |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 3 |
Related chloro Standards
- 5-chloro-1H-1,2,3-triazole-4-carboxylic acid (CAS 908072-81-1)
- 5-chloro-1H-1,2,4-triazole-3-carboxylic acid (CAS 21733-03-9)
- 2-Chloro-N-(2-methoxyethyl)acetamide (CAS 10263-66-8)
- 3-Chloro-n-methoxy-n-methylpropanamide (CAS 1062512-53-1)
- 3-CHloro-4-methylphenylisocyanide (CAS 112675-35-1)
- 1-Chloro-2-isocyano-3-methylbenzene (CAS 118923-96-9)
- 2-Chloro-5-(prop-2-yn-1-yl)pyridine (CAS 1196147-03-1)
- 2-Chloro-N-(1-hydroxypropan-2-yl)acetamide (CAS 119907-19-6)
Recommended Standards
- Ethyl chlorooximeacetate (CAS 14337-43-0)
- Methyl N-(2-chloroacetyl)carbamate (CAS 13558-70-8)
- 3-Nitro-3-chloromethyloxetane (CAS 1195637-44-5)
- N-(4-Bromo-2-chlorophenyl)-5-(2-chlorophenyl)furan-2-carboxamide (CAS 853333-56-9)
- 4,6-Dimethyl-2-(piperidin-1-yl)nicotinonitrile (CAS 285985-90-2)
- 3-(Benzyloxy)-N-methoxy-N-methylbenzamide (CAS 615558-47-9)
- Atorvastatin Impurity 27 (CAS 693793-82-7)
- Methyl 5-Methoxybenzoxazole-7-carboxylate (CAS 1221792-16-0)
- 2-Chloro-N-(thiophen-3-ylmethyl)acetamide (CAS 1342080-85-6)
- Fibronectin Adhesion-Promoting Peptide (CAS 125720-21-0)
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