4-Bromo-3-(4-chlorophenyl)-1H-pyrazol-5-amine CAS 201735-18-4
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 201735-18-4 |
| Molecular Formula | C9H7BrClN3 |
| Molecular Weight | 272.53 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-Bromo-3-(4-chlorophenyl)-1H-pyrazol-5-amine (CAS 201735-18-4) is a pharmaceutical standards certified reference material from CATO. Molecular formula: C9H7BrClN3. Molecular weight: 272.53 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C9H7BrClN3 |
| Molecular Weight | 272.53 g/mol |
| Appearance | Off-white to pale 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 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 |
| Degree of Unsaturation (DBE) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2014 |
| Halogen Content | Cl/Br-containing |
| Nitrogen Atoms | 3 |
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Recommended Standards
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- 2-(tert-Butoxy)-4-hydroxy-N-methylbenzamide (CAS 1243440-96-1)
- Tert-butyl 4-((2-bromobenzyl)oxy)piperidine-1-carboxylate (CAS 1121627-19-7)
- n-[3-(aminomethyl)phenyl]-4-methylbenzamide (CAS 926257-58-1)
- Trelagliptin impurity 13 (CAS CATO-C4X-104613)
- 8-Bromo-7-fluoro-2,3,4,5-tetrahydro-1H-3,5-methanobenzo[c]azepin-1-one (CAS 1451085-15-6)
- Stannane, tributyl[6-(2-butyloctyl)thieno[3,2-b]thien-2-yl]- (CAS 2757554-16-6)
- [α-Glu](Side Chain)-Semaglutide (CAS CATO-C4X-2226159)
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