5-bromo-2-methyl-benzotriazole CAS 191230-40-7
| CAS No. | 191230-40-7 |
| Molecular Formula | C7H14BrN3 |
| Molecular Weight | 220.11 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
5-bromo-2-methyl-benzotriazole (C7H14BrN3) contains a nitrile group, bromine substitution. Halogen substitution raises its density and boiling point; these physicochemical properties determine the optimal preparation and storage of its standard solutions. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
5-bromo-2-methyl-benzotriazole (CAS 191230-40-7) is a high-purity analytical reference standard with the molecular formula C7H14BrN3 and a molecular weight of 220.11 g/mol.
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.
As a certified reference material (CRM), 5-bromo-2-methyl-benzotriazole 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 | C7H14BrN3 |
| Molecular Weight | 220.11 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 | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 2.0 |
| CAS Registry Year (est.) | 2011 |
| Halogen Content | Br-containing |
| Nitrogen Atoms | 3 |
Related bromo Standards
- 4-bromo-1-methyl-1H-pyrazolo[3,4-c]pyridine (CAS 1032943-41-1)
- 1-(5-bromo-2-pyridyl)propan-1-one (CAS 1060812-89-6)
- 6-bromo-2-methyl-imidazo[1,2-a]pyrimidine (CAS 1111638-05-1)
- 2-Bromo-1-(pyrrolidin-1-yl)butan-1-one (CAS 1119450-19-9)
- 6-bromo-1-methyl-1H-pyrazolo[4,3-b]pyridine (CAS 1150617-56-3)
- 3-bromo-1-methyl-pyrazolo[3,4-b]pyridine (CAS 116855-03-9)
- 2-bromo-1-(2-methyl-4-pyridyl)ethanone (CAS 1187785-48-3)
- 4-bromo-1H-indazol-7-amine (CAS 1190319-80-2)
Recommended Standards
- 6-bromo-2-methyl-2H-pyrazolo[4,3-b]pyridine (CAS 1897500-19-4)
- 5-bromo-6-methyl-2H-pyrazolo[3,4-b]pyridine (CAS 1934533-59-1)
- 7-bromo-1-methyl-pyrazolo[4,3-b]pyridine (CAS 1823268-58-1)
- 1-Acetyl-4-(bromomethyl)piperidine (CAS 912482-43-0)
- Ethyl 3-(2-ethoxyphenyl)-3-oxopropanoate (CAS 68599-64-4)
- 1,8-Dioxa-2-thiaspiro[4.5]decane 2,2-dioxide (CAS 1821401-72-2)
- 6-Amino-4-(chloromethyl)-5-(difluoromethyl)picolinonitrile (CAS 1805350-29-1)
- 3-Methylmorpholine (CAS 42185-06-8)
- 1-(1H-Benzo[d]imidazol-2-yl)butan-1-one (CAS 146350-90-5)
- (3As,5r,7ar)-5-phenylhexahydroisobenzofuran-1,3-dione (CAS 336185-24-1)
- Beraprost Impurity 22 (CAS 88277-22-9)
- 1-[(4-fluorobenzene)sulfonyl]-N-(2-phenylethyl)piperidine-4-carboxamide (CAS 591226-92-5)
- trans-2-(3-Fluoro-4-methylphenyl)cyclopentanol (CAS 933674-43-2)
- Semaglutide Impurity 18 (CAS 1671100-14-3)
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