3-(4-Bromo-2-chlorophenyl)-5-methyl-1h-1,2,4-triazole CAS 1157455-94-1
| CAS No. | 1157455-94-1 |
| Molecular Formula | C9H7BrClN3 |
| Molecular Weight | 272.53 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 272.53 g/mol gives 3-(4-Bromo-2-chlorophenyl)-5-methyl-1h-1,2,4-triazole distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
3-(4-Bromo-2-chlorophenyl)-5-methyl-1h-1,2,4-triazole (CAS 1157455-94-1), molecular formula C9H7BrClN3 and molecular weight 272.53 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C9H7BrClN3, 3-(4-Bromo-2-chlorophenyl)-5-methyl-1h-1,2,4-triazole contains a nitrogen-containing heterocyclic scaffold, a nitrile group, chlorine/bromine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 272.53 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.
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 3-(4-Bromo-2-chlorophenyl)-5-methyl-1h-1,2,4-triazole 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 | C9H7BrClN3 |
| Molecular Weight | 272.53 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.) | 1989 |
| Halogen Content | Cl/Br-containing |
| Nitrogen Atoms | 3 |
Related Bromo Standards
- 1-(7-Bromo-5-chloro-1H-indol-1-yl)ethanone (CAS 1000343-26-9)
- 1-(5-Bromo-7-chloro-1H-indol-1-yl)ethan-1-one (CAS 1000343-44-1)
- 7-Bromo-3-(chloromethyl)-2(1H)-quinolinone (CAS 1017347-03-3)
- (7-Bromo-2-chloroquinolin-3-yl)methanol (CAS 1017403-71-2)
- 1-(7-Bromo-1H-indol-3-yl)-2-chloroethan-1-one (CAS 1018593-32-2)
- 5-Bromo-2-chloro-N-(prop-2-yn-1-yl)benzamide (CAS 1043190-07-3)
- 2-Bromo-1-(6-chloro-1H-indol-3-yl)ethan-1-one (CAS 1094678-99-5)
- 5-(5-Bromo-2-chlorophenyl)-1h-pyrazol-3-amine (CAS 1186639-90-6)
Recommended Standards
- 3-(4-Bromophenyl)-5-(chloromethyl)isoxazole (CAS 1105061-52-6)
- 4-Bromo-5-chloro-8-methoxyquinoline (CAS 1189107-24-1)
- 5-(3-bromophenyl)-2-(chloromethyl)-1,3-oxazole (CAS 1094382-35-0)
- 4-Bromo-6-chloro-8-methoxyquinoline (CAS 1189107-33-2)
- 5-Bromo-1-chloro-2,3-dimethylbenzene (CAS 1780808-73-2)
- (E)-4-(benzo[d][1,3]dioxol-5-yl)-2-(4-nitrostyryl)-5-oxo-5H-indeno[1,2-b]pyridine-3-carbonitrile (CAS 866142-86-1)
- 2-(7-Ethyl-1h-indol-3-yl)acetonitrile (CAS 1214384-74-3)
- 1-(Difluoromethoxy)-4-methoxy-2-nitrobenzene (CAS 749907-08-2)
- 2,2'-[(1,1,3-Trimethyl-1,3-propanediyl)bis(oxy)]bis[4,4,6-trimethyl-1,3,2-dioxaborinane] (CAS 100-89-0)
- 6-Oxaspiro[3.4]Octan-2-amine (CAS 1374659-21-8)
- 2-Fluoro-5-methyl-N-(3-methylbutan-2-yl)aniline (CAS 1039957-75-9)
- N-(2-((4-(Bis(2-chloroethyl)amino)phenyl)thio)ethyl)acridin-9-amine (CAS 130031-48-0)
- (6-Methylpyridin-3-yl)methanamine dihydrochloride (CAS 443344-75-0)
- Cholecystokinin Octapeptide (1-5) (desulfated) (CAS 121880-96-4)
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