4-(3-Bromopropyl)-1-phenyl-1h-pyrazole CAS 1343859-72-2
| CAS No. | 1343859-72-2 |
| Molecular Formula | C12H13BrN2 |
| Molecular Weight | 265.15 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
4-(3-Bromopropyl)-1-phenyl-1h-pyrazole (CAS 1343859-72-2) is a high-purity analytical reference standard with the molecular formula C12H13BrN2 and a molecular weight of 265.15 g/mol.
Owing to a nitrogen-containing heterocyclic scaffold, a nitrile group, bromine substitution, 4-(3-Bromopropyl)-1-phenyl-1h-pyrazole is typically off-white to pale yellow low-melting solid. Its solid-state physicochemical attributes — including a molecular weight of 265.15 g/mol — guide the selection of appropriate sample preparation and analytical techniques. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Physical & Chemical Properties
| Molecular Formula | C12H13BrN2 |
| Molecular Weight | 265.15 g/mol |
| 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.) | 1991 |
| Halogen Content | Br-containing |
| Nitrogen Atoms | 2 |
Related Bromopropyl Standards
- 1-(3-Bromopropyl)quinolin-2(1H)-one (CAS 145798-60-3)
- Methyl 1-(3-bromopropyl)piperidine-4-carboxylate (CAS 1248616-44-5)
- 4-(2-Bromopropyl)-2-methylquinoline (CAS 1498887-19-6)
- 4-((3-Bromopropyl)amino)-5-chloropyridazin-3(2H)-one (CAS 252031-70-2)
- 4-(3-Bromopropyl)-1-chloro-2-methoxybenzene (CAS 1518571-76-0)
- 1-(3-Bromopropyl)-4-isobutylpiperazine (CAS 1342593-72-9)
- 1-(2-Bromopropyl)-4-(trifluoromethyl)benzene (CAS 1021927-60-5)
- 1-(2-bromopropyl)-2-(trifluoromethyl)-benZene (CAS 1341420-14-1)
Recommended Standards
- 4-(3-Bromophenyl)piperidine-4-carbonitrile (CAS 1315359-16-0)
- 4-(3-Bromophenyl)-1-isopropyl-1H-pyrazole (CAS 1351385-55-1)
- 2,8-Bis(trifluoromethyl)quinoline (CAS 129625-31-6)
- 4-(4-Bromophenyl)-1-isopropyl-1H-pyrazole (CAS 1351386-41-8)
- 1-(3-Phenylprop-2-yn-1-yl)piperidine (CAS 2568-57-2)
- 2,2,2-Trifluoroacetic acid compound with 2-methylazetidine-2-carboxylic acid (1:1) (CAS 2231676-08-5)
- 2-(Allyloxy)-5-methylbenzaldehyde (CAS 1082192-02-6)
- 2-Hydroxy-N-(6-methoxypyridin-3-yl)benzamide (CAS 931071-01-1)
- Pyronaridine-13C2 , d4 Tetraphosphate Salt (CAS CATO-C4X-297817)
- 2-Methylbutyl 4-methylbenzenesulfonate (CAS 63526-71-6)
- Regorafenib Impurity 50 (CAS 1243474-97-6)
- (S)-2-Amino-3-(2-amino-1H-imidazol-1-yl)propanoic acid (CAS 748108-28-3)
- 4-(Difluoromethyl)-5-iodo-6-methylpyridin-3-ol (CAS 1805992-74-8)
- Semaglutide impurity 37 (CAS CATO-C4X-222637)
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