3-Cyclopropyl-1-(2-nitrobenzenesulfonyl)-1H-pyrazole CAS 957002-73-2
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 957002-73-2 |
| Molecular Formula | C12H11N3O4S |
| Molecular Weight | 293.30 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
3-Cyclopropyl-1-(2-nitrobenzenesulfonyl)-1H-pyrazole (CAS 957002-73-2) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C12H11N3O4S. Molecular weight: 293.30 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C12H11N3O4S |
| Molecular Weight | 293.30 g/mol |
| 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) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 1 |
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Recommended Standards
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- (S)-2-((((9H-fluoren-9-yl)methoxy)carbonyl)amino)-3-(2,3-dimethylphenyl)propanoic acid (CAS 1270295-08-3)
- 3-(2,2-Dimethyltetrahydro-2H-pyran-4-yl)-6-methylheptanoic acid (CAS 859112-15-5)
- 2-(5-Ethyl-2-thienyl)-6,8-dimethylquinoline-4-carbonyl chloride (CAS 1160254-83-0)
- Benzo[1,2-d:4,5-d']diimidazole,1,5-dihydro-2,6-dimethyl- (CAS 17377-07-0)
- 4-(Cyclobutyloxy)-benzaldehyde (CAS 164520-97-2)
- Semaglutide impurity 54 (CAS CATO-C4X-222654)
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