1-(2-Bromophenyl)-5-phenyl-1H-pyrazole CAS 299162-73-5
| CAS No. | 299162-73-5 |
| Molecular Formula | C15H11BrN2 |
| Molecular Weight | 299.17 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO manufactures 1-(2-Bromophenyl)-5-phenyl-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.
1-(2-Bromophenyl)-5-phenyl-1H-pyrazole (CAS 299162-73-5), molecular formula C15H11BrN2 and molecular weight 299.17 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C15H11BrN2, 1-(2-Bromophenyl)-5-phenyl-1H-pyrazole contains a nitrogen-containing heterocyclic scaffold, a nitrile group, bromine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 299.17 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
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 | C15H11BrN2 |
| Molecular Weight | 299.17 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-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) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | Br-containing |
| Nitrogen Atoms | 2 |
Related Bromophenyl Standards
- 2-(2-Bromophenyl)-6-methylquinazoline (CAS 149323-84-2)
- 1-(4-Bromophenyl)-5-phenyl-1H-pyrazole (CAS 299162-81-5)
- 3-(4-Bromophenyl)-5-phenyl-1H-pyrazole (CAS 50603-96-8)
- 4-(4-Bromophenyl)quinolin-8-amine (CAS 97802-11-4)
- 2-(4-Bromophenyl)-2-oxoethyl 2-methylbutanoate (CAS 100713-31-3)
- 2-(4-(3-Bromophenyl)tetrahydro-2H-pyran-4-yl)acetic acid (CAS 1226383-77-2)
- 2-(4-(4-Bromophenyl)tetrahydro-2H-pyran-4-yl)acetic acid (CAS 1226383-83-0)
- 1-(2-Bromophenyl)-3-(1,3-dioxan-2-yl)propan-1-one (CAS 898785-66-5)
Recommended Standards
- 4,6-Dichloro-5-(4-fluorophenyl)-2-isobutylpyrimidine (CAS 1511078-05-9)
- 1-Bromo-4-phenylisoquinolin-3-amine (CAS 338420-83-0)
- 2-(Cyclopropylmethoxy)-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzonitrile (CAS 1426921-31-4)
- 2-(3-(Hydroxy((3-hydroxy-2,3-dimethylbutan-2-yl)oxy)boranyl)-2,5-dihydro-1H-pyrrol-1-yl)ethyl acetate (CAS 2223006-33-3)
- 3-(2-Chloroethyl)-6-methylpyrimidine-2,4(1H,3H)-dione (CAS 22359-13-3)
- 5-Methylthiazole-4-carboxylic acid (CAS 120237-76-5)
- 1-Bromodecane-9,9,10,10,10-d5 (CAS 1219802-02-4)
- Ethyl 2-bromo-4-(4-(trifluoromethyl)-phenyl)thiazole-5-carboxylate (CAS 1188153-49-2)
- 2-Chloro-5-(1-fluorocyclopropyl)pyridine (CAS 2839739-50-1)
- 5-Bromo-2-[(2-chloro-6-fluorobenzyl)oxy]-benzoyl chloride (CAS 1160259-89-1)
- (S)-3-(2-Aminophenoxy)-2-((tert-butoxycarbonyl)amino)propanoic acid (CAS 99197-79-2)
- (S)-5-Bromo-8-hydroxy-3-methylisochroman-1-one (CAS 445486-49-7)
- N-(4,6-Difluoro-3-methylbenzo[d]thiazol-2(3H)-ylidene)benzamide (CAS 868370-93-8)
- D-[Val]10-Semaglutide (CAS CATO-CPTD788630)
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