3-(4-Bromophenyl)-5-methyl-1h-1,2,4-triazole CAS 170230-86-1
| CAS No. | 170230-86-1 |
| Molecular Formula | C9H8BrN3 |
| Molecular Weight | 238.08 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
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.
3-(4-Bromophenyl)-5-methyl-1h-1,2,4-triazole (CAS 170230-86-1), molecular formula C9H8BrN3 and molecular weight 238.08 g/mol, is a CATO reference standard with documented purity and traceability.
Owing to a nitrogen-containing heterocyclic scaffold, a nitrile group, bromine substitution, 3-(4-Bromophenyl)-5-methyl-1h-1,2,4-triazole is typically off-white to pale yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 238.08 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.
As a certified reference material (CRM), 3-(4-Bromophenyl)-5-methyl-1h-1,2,4-triazole meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C9H8BrN3 |
| Molecular Weight | 238.08 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.) | 2005 |
| Halogen Content | Br-containing |
| Nitrogen Atoms | 3 |
Related Bromophenyl Standards
- 4-(4-bromophenyl)-2,5-dihydro-1H-pyrrol-2-one (CAS 1017246-65-9)
- 3-(2-Bromophenyl)-4-methyl-4H-1,2,4-triazole (CAS 1034734-64-9)
- 3-(2-Bromophenyl)-5-methyl-4h-1,2,4-triazole (CAS 1094653-15-2)
- 3-(3-Bromophenyl)-5-methyl-1h-1,2,4-triazole (CAS 1152849-67-6)
- 1-(2-Bromophenyl)-1h-pyrazol-4-amine (CAS 1153039-45-2)
- 1-(3-Bromophenyl)-1H-pyrazol-4-amine (CAS 1155573-22-0)
- 1-(2-Bromophenyl)-1h-pyrazol-5-amine (CAS 1155574-39-2)
- 3-(3-Bromophenyl)-1H-pyrazol-4-amine (CAS 1171492-86-6)
Recommended Standards
- 1-(4-Bromophenyl)-1h-imidazol-2-amine (CAS 1698717-00-8)
- 5-(4-(Bromomethyl)phenyl)oxazole (CAS 170850-39-2)
- 1-(2-Bromophenyl)-1h-imidazol-2-amine (CAS 1695937-66-6)
- 4-Bromo-3-oxo-2-phenylbutanenitrile (CAS 175432-90-3)
- 2-(4-Chlorophenyl)imidazo[1,2-a]pyridine-3-carbaldehyde (CAS 30493-06-2)
- Chlorine{(S)-(+)-1,13-bis(diphenylphosphino)-7,8-dihydro-6H-dibenzo[f,h][1,5]dioxins}(p-cymene)ruthenium (II) chloride,[rucl(p-cymene). (CAS 905709-32-2)
- Ethyl 4-methanesulfonylpiperidine-4-carboxylate (CAS 1372589-30-4)
- 4-Chloro-6-methyl-5-(phenylmethoxy)pyrimidine (CAS 2869955-50-8)
- 5-Chloro-7H-pyrrolo[2,3-d]pyrimidin-2-amine (CAS 1935940-95-6)
- 1,2-Difluoro-4-iodo-3-methylbenzene (CAS 1208078-20-9)
- Desoxyrhapontigenin (CAS 33626-08-3)
- (R)-tert-Butyl 3-(2-fluorobenzamido)piperidine-1-carboxylate (CAS 1286208-02-3)
- 3-Acetyl-2,4-dimethylpyrrolidine-1-carboxylic acid (CAS 858273-50-4)
- Semaglutide impurity 261 (CAS CATO-C4X-2226261)
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