6-Bromo-3-ethyl-2-methylquinoline CAS 409346-90-3
| CAS No. | 409346-90-3 |
| Molecular Formula | C12H12BrN |
| Molecular Weight | 250.13 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.
6-Bromo-3-ethyl-2-methylquinoline (CAS 409346-90-3) is a high-purity analytical reference standard with the molecular formula C12H12BrN and a molecular weight of 250.13 g/mol.
Structurally, 6-Bromo-3-ethyl-2-methylquinoline (C12H12BrN) contains a nitrogen-containing heterocyclic scaffold, a nitrile group, bromine substitution. The molecule exhibits a degree of unsaturation (DBE) of 7.0, corresponding to approximately 7 ring(s) or double-bond equivalent(s). With a molecular weight of 250.13 g/mol, it falls into the medium-molecular-weight range. 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), 6-Bromo-3-ethyl-2-methylquinoline 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 | C12H12BrN |
| Molecular Weight | 250.13 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate |
| 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.) | 2025 |
| Halogen Content | Br-containing |
| Nitrogen Atoms | 1 |
Related Bromo Standards
- 5-Bromo-N,N-dimethylnaphthalen-1-amine (CAS 10586-45-5)
- 4-Bromo-8-ethyl-2-methylquinoline (CAS 1070879-45-6)
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- 4-Bromo-2,7,8-trimethylquinoline (CAS 1070879-61-6)
- 3-(5-bromo-2-pyridyl)tetrahydrofuran-3-ol (CAS 1207758-77-7)
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Recommended Standards
- 6-Bromo-2,3,4,9-tetrahydro-1H-carbazole (CAS 21865-50-9)
- 6-bromo-5-methoxy-2-methyl-1,3-benzoxazole (CAS 869561-95-5)
- 5-Bromo-3-(cyclopropylmethyl)-1H-indole (CAS 2180130-55-4)
- 6-Bromo-N,N-dimethylnaphthalen-2-amine (CAS 5043-03-8)
- 3-(3,4-Dimethyl-phenyl)-isoxazole-5-carbaldehyde (CAS 885273-72-3)
- 4-(4-Fluorophenyl)-1-methyl-1H-pyrazolo[3,4-b]pyridine-3-carboxylic acid (CAS 1354704-92-9)
- 3-Isopropyl-1-methyl-1H-pyrazole hydrochloride (CAS 2137829-09-3)
- 3-(1,2,3-Thiadiazol-4-yl)propiolic acid (CAS 1484234-44-7)
- 2-(2-Bromo-5-(trifluoromethyl)phenyl)acetic acid (CAS 1214327-53-3)
- 2-Propenoic acid, 2-methyl-, methyl ester, polymer with butyl 2-propenoate, ethyl 2-propenoate and 2-hydroxyethyl 2-propenoate (CAS 33395-08-3)
- (4-Chloro-1H-indol-1-yl)(phenyl)methanone (CAS 858230-84-9)
- 4-methoxy-3-(trifluoromethyl)benzoyl chloride (CAS 98187-18-9)
- 1-(2,4-Dichlorophenyl)-N-((tetrahydro-2h-pyran-4-yl)methyl)ethan-1-amine (CAS 1384607-68-4)
- Semaglutide impurity 247 (CAS CATO-C4X-2226247)
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