4-Bromo-1-[(4-chlorophenyl)methyl]-1h-pyrazole CAS 1006538-60-8
| CAS No. | 1006538-60-8 |
| Molecular Formula | C10H8BrClN2 |
| Molecular Weight | 271.54 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO manufactures 4-Bromo-1-[(4-chlorophenyl)methyl]-1h-pyrazole under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
4-Bromo-1-[(4-chlorophenyl)methyl]-1h-pyrazole (CAS 1006538-60-8), molecular formula C10H8BrClN2 and molecular weight 271.54 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 4-Bromo-1-[(4-chlorophenyl)methyl]-1h-pyrazole (C10H8BrClN2) contains a nitrogen-containing heterocyclic scaffold, a nitrile group, chlorine/bromine substitution. The molecule exhibits a degree of unsaturation (DBE) of 7.0, corresponding to approximately 7 ring(s) or double-bond equivalent(s). With a molecular weight of 271.54 g/mol, it falls into the medium-molecular-weight range. The high carbon-to-hydrogen ratio imparts good lipophilicity, allowing liquid-liquid extraction with non-polar solvents such as n-hexane or ethyl acetate.
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
Physical & Chemical Properties
| Molecular Formula | C10H8BrClN2 |
| Molecular Weight | 271.54 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.) | 1988 |
| Halogen Content | Cl/Br-containing |
| Nitrogen Atoms | 2 |
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- 2,4,6-Trichlorodibenzo[b,d]furan (CAS 58802-14-5)
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- 2-Azetidinomethyl-2,3-dimethylbenzophenone (CAS 898754-85-3)
- Sivelestat Impurity 34 (CAS CATO-C4X-212334)
- Suplatast Tosilate impurity 1 (CAS CATO-C4X-32681)
- 2-((2-(4-Bromophenyl)-2-oxoethyl)thio)-4,6-diphenylnicotinonitrile (CAS 297162-21-1)
- Ethyl 2-amino-2-(1-methyl-1h-imidazol-2-yl)acetate hydrochloride (CAS 1219146-64-1)
- (9-chloro-3,4-dihydro-2H-1,5-benzodioxepin-7-yl)methylamine hydrochloride (CAS 1052548-86-3)
- 2-Phenoxy-5-(3-(trifluoromethyl)phenyl)nicotinonitrile (CAS 338964-52-6)
- Des-[Ser]8-Liraglutide (CAS CATO-C4X-199233)
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 18665070610 / Nicole.chen@cato-chem.com