4-Bromo-1-methoxy-2-(methylsulfinyl)benzene CAS 1865164-90-4
| CAS No. | 1865164-90-4 |
| Molecular Formula | C8H9BrO2S |
| Molecular Weight | 249.12 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of 4-Bromo-1-methoxy-2-(methylsulfinyl)benzene is closely related to a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, bromine substitution, an aromatic ring system in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
CATO supplies 4-Bromo-1-methoxy-2-(methylsulfinyl)benzene (CAS 1865164-90-4), a certified reference material (molecular formula C8H9BrO2S, MW 249.12 g/mol) for analytical method development and quality control.
Based on its molecular formula C8H9BrO2S, 4-Bromo-1-methoxy-2-(methylsulfinyl)benzene contains a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, bromine substitution, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 249.12 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.
As a certified reference material (CRM), 4-Bromo-1-methoxy-2-(methylsulfinyl)benzene 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 | C8H9BrO2S |
| Molecular Weight | 249.12 g/mol |
| Purity | 97%+ |
| Storage | Store at room temperature, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1995 |
| Halogen Content | Br-containing |
| Sulfur Atoms | 1 |
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Recommended Standards
- 5-Bromo-2-methyl-thiophene-3-carboxylic acid ethyl ester (CAS 1824068-41-8)
- Ethyl 5-bromo-4-methylthiophene-2-carboxylate (CAS 186521-81-3)
- N,N-Dimethyl-6-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyrimidin-4-amine (CAS 1704065-76-8)
- Methyl 5-bromo-3-ethylthiophene-2-carboxylate (CAS 193064-96-9)
- 97352-64-2 Boc-Gly-OH-1-13C Glycine-1-13C, N-t-Boc derivative N-(tert-Butoxycarbonyl)glycine-1-13C (CAS 97352-64-2)
- Methyl N'-cyano-N-phenylcarbamimidothioate (CAS 21504-96-1)
- 3-Bromo-N-(pyridin-3-yl)benzamide (CAS 349405-43-2)
- Methyl 2-(6-hydroxy-1-methyl-2-oxo-1,2-dihydropyrimidine-4-amido)benzoate (CAS 861208-57-3)
- 4-(2-Aminoethyl)-5-(4-Methoxybenzyl)-1,2-Dihydro-3h-Pyrazol-3-One (CAS 881041-03-8)
- 6-(Morpholine-4-carbonyl)cyclohex-3-ene-1-carboxylic acid (CAS 478040-26-5)
- n-(1-((3-Nitrophenyl)amino)-2-oxo-2-(p-tolyl)ethyl)furan-2-carboxamide (CAS 335421-05-1)
- 1-(4-Methylbenzyl)-2,4-dioxo-1,2,3,4-tetrahydropyrido[2,3-d]pyrimidine-6-sulfonyl chloride (CAS 1334147-61-3)
- (S)-1-Phenyl-2-(pyrrolidin-1-yl)ethanamine dihydrochloride (CAS 1609680-93-4)
- Semaglutide Impurity 129 (CAS 2490269-79-7)
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