1-Benzyl-4-chloro-1H-pyrazole CAS 50877-40-2
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 50877-40-2 |
| Molecular Formula | C10H9ClN2 |
| Molecular Weight | 192.64 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
1-Benzyl-4-chloro-1H-pyrazole (CAS 50877-40-2) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C10H9ClN2. Molecular weight: 192.64 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C10H9ClN2 |
| Molecular Weight | 192.64 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 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.) | 1971 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
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Recommended Standards
- 1-[(2-chlorophenyl)methyl]-1H-pyrazole (CAS 202344-35-2)
- 1-Benzyl-5-chloro-1H-pyrazole (CAS 50877-39-9)
- 1-(6-Chloropyridin-3-yl)cyclobutane-1-carbonitrile (CAS 485828-75-9)
- 4-Amino-2-(difluoromethyl)-5-formylnicotinonitrile (CAS 1806796-76-8)
- 5-Chloro-N-(4-Fluorophenyl)-2-Nitro-1-Benzothiophen-3-Amine (CAS 149338-26-1)
- 4-(4-Fluoro-3-methylphenyl)butanoic acid (CAS 331-43-1)
- Xanomeline impurity 57 (CAS 198975-94-9)
- (2R,3R,4S,5R)-2-(6-Amino-2,8-dimethyl-9H-purin-9-yl)-5-(hydroxymethyl)tetrahydrofuran-3,4-diol (CAS 63954-66-5)
- 5,6,7,8-Tetrahydro-[1,2,4]triazolo[1,5-a]pyridine-7-carboxylic acid hydrochloride (CAS 1895585-65-5)
- Semaglutide impurity 29 (CAS CATO-C4X-222629)
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