1-(4-bromophenyl)-4-methyl-1h-pyraZole CAS 1184673-82-2
| CAS No. | 1184673-82-2 |
| Molecular Formula | C10H9BrN2 |
| Molecular Weight | 237.10 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of 1-(4-bromophenyl)-4-methyl-1h-pyraZole is closely related to a nitrogen-containing heterocyclic scaffold, a nitrile group, bromine substitution in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
CATO supplies 1-(4-bromophenyl)-4-methyl-1h-pyraZole (CAS 1184673-82-2), a certified reference material (molecular formula C10H9BrN2, MW 237.10 g/mol) for analytical method development and quality control.
The molecular framework of 1-(4-bromophenyl)-4-methyl-1h-pyraZole (C10H9BrN2) is characterized by a nitrogen-containing heterocyclic scaffold, a nitrile group, bromine substitution. In reversed-phase chromatography, its retention is governed primarily by its high hydrophobicity (logP), which provides a practical basis for HPLC-UV/DAD or LC-MS method development. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO manufactures 1-(4-bromophenyl)-4-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.
Physical & Chemical Properties
| Molecular Formula | C10H9BrN2 |
| Molecular Weight | 237.10 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.) | 1989 |
| Halogen Content | Br-containing |
| Nitrogen Atoms | 2 |
Related bromophenyl Standards
- 2-(3-Bromophenyl)-4-methyl-1H-imidazole (CAS 114748-87-7)
- 1-(3-bromophenyl)-4-methyl-1H-pyrazole (CAS 1183715-73-2)
- 2-(4-Bromophenyl)-4-methyl-1H-imidazole (CAS 1187927-85-0)
- 4-(4-Bromophenyl)-1-methyl-1H-pyrazole (CAS 1191616-45-1)
- 5-(3-Bromophenyl)-1-methylimidazole (CAS 1218910-50-9)
- 1-(4-Bromophenyl)-5-methyl-1H-pyrazole (CAS 1227958-63-5)
- 1-[(3-bromophenyl)methyl]-1h-pyrazole (CAS 1247393-02-7)
- 1-(2-Bromophenyl)-5-methyl-1H-pyrazole (CAS 1248277-26-0)
Recommended Standards
- 1-(4-Bromopyridin-2-yl)cyclobutanecarbonitrile (CAS 1163707-59-2)
- 5-Bromo-1-methyl-3-phenyl-1H-pyrazole (CAS 1188116-65-5)
- 1-(4-Bromobenzyl)-1H-pyrazole (CAS 1159826-63-7)
- 7-Bromo-6-methylquinolin-4-amine (CAS 1189106-23-7)
- (2E)-1-[5-({[3-chloro-5-(trifluoromethyl)pyridin-2-yl]amino}methyl)-4,5-dihydro-1,2-oxazol-3-yl]-3-(dimethylamino)prop-2-en-1-one (CAS 338422-61-0)
- 3-Chloro-2-fluoroisonicotinic Acid (CAS 741683-19-2)
- (E)-3-(4-morpholino-3-nitrophenyl)acrylic acid (CAS 300541-93-9)
- 2-(4-Bromo-1-methyl-1H-pyrazol-3-yl)ethan-1-ol (CAS 1780333-86-9)
- Tert-butyl 2-(bromomethyl)-1h-benzo[d]imidazole-1-carboxylate (CAS 175531-13-2)
- (S)-3-Hydroxy-2-methoxy-5-((2-(trimethylsilyl)ethoxy)methyl)-7,12-dihydrobenzo[5,6][1,4]diazepino[1,2-b]isoquinoline-6,14(5H,6aH)-dione (CAS 1964489-90-4)
- 5-methyl-6-nitroimidazo[1,2-a]pyridine (CAS 52310-50-6)
- 2-Fluoro-5-iodo-4-methoxybenzoic acid (CAS 1000162-78-6)
- Semaglutide impurity 56 (CAS CATO-C4X-222656)
- Tirzepatide Impurity 16 (CAS CATO-C4X-324016)
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