1-(5-bromo-3-methoxypyridin-2-yl)ethan-1-one CAS 1211521-17-3
| CAS No. | 1211521-17-3 |
| Molecular Formula | C8H14BrNO2 |
| Molecular Weight | 236.11 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of 1-(5-bromo-3-methoxypyridin-2-yl)ethan-1-one is closely related to an amide group, a carboxylic acid group, a hydroxyl group, an ether linkage, bromine substitution in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
1-(5-bromo-3-methoxypyridin-2-yl)ethan-1-one (CAS 1211521-17-3) is a high-purity analytical reference standard with the molecular formula C8H14BrNO2 and a molecular weight of 236.11 g/mol.
Structurally, 1-(5-bromo-3-methoxypyridin-2-yl)ethan-1-one (C8H14BrNO2) contains an amide group, a carboxylic acid group, a hydroxyl group, an ether linkage, bromine substitution. The molecule exhibits a degree of unsaturation (DBE) of 2.0, corresponding to approximately 2 ring(s) or double-bond equivalent(s). With a molecular weight of 236.11 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.
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), 1-(5-bromo-3-methoxypyridin-2-yl)ethan-1-one 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 | C8H14BrNO2 |
| Molecular Weight | 236.11 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | Light-sensitive; avoid direct strong light; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 2.0 |
| CAS Registry Year (est.) | 1990 |
| Halogen Content | Br-containing |
| Nitrogen Atoms | 1 |
Related bromo Standards
- 8-Bromo-2,4-dimethylquinoline (CAS 1023812-38-5)
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- 2-Bromo-4,6-dimethylquinoline (CAS 103858-47-5)
- 2-Bromo-4,8-dimethylquinoline (CAS 103858-49-7)
- 7-Bromo-2,4-dimethylquinoline (CAS 103858-50-0)
- 5-Bromo-1-cyclopropyl-1H-indole (CAS 1042444-34-7)
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Recommended Standards
- 6-Bromo-2,8-dimethylquinoline (CAS 1189106-78-2)
- 6-bromo-2-methoxy-[1,2,4]triazolo[1,5-a]pyridine (CAS 1236325-08-8)
- 7-Bromo-2,8-dimethylquinoline (CAS 1189106-33-9)
- 4-Bromo-2,6-dimethylquinoline (CAS 123637-45-6)
- (1R,2R)-1,2-bis(2,4,6-trimethoxyphenyl)ethane-1,2-diamine dihydrochloride (CAS 1055301-18-2)
- 2-Chloro-4-fluoro-5-methylbenzonitrile (CAS 924626-79-9)
- Boc-Met-Leu-Phe-OH (CAS 67247-12-5)
- 4’-Chloro-2’-(2,5-dimethoxy-4-pyridinyl)acetophenone (CAS 2201839-84-9)
- 2-Chloro-8-methoxyquinoline-3-carboxylic acid (CAS 1017157-83-3)
- 1-(3,4-Dichlorobenzyl)-5-(4-methylpiperazine-1-carbonyl)pyridin-2(1H)-one (CAS 338781-34-3)
- 3-Bromo-4-(3,3-difluoroazetidin-1-yl)benzaldehyde (CAS 1779118-66-9)
- (S)-1-(4-(tert-Butyl)-2-thioxothiazolidin-3-yl)ethan-1-one (CAS 255828-89-8)
- ethyl 5-amino-1-(4-chlorophenyl)pyrazole-4-carboxylate (CAS 14678-87-6)
- Retatrutide (CAS 2381089-83-2)
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