4-Bromo-2-methanesulfonyl-1-methoxybenzene CAS 90531-99-0
| CAS No. | 90531-99-0 |
| Molecular Formula | C8H9BrO3S |
| Molecular Weight | 265.12 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Structurally, 4-Bromo-2-methanesulfonyl-1-methoxybenzene (C8H9BrO3S) contains a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, bromine substitution, an aromatic ring system. The molecule exhibits a degree of unsaturation (DBE) of 4.0, corresponding to approximately 4 ring(s) or double-bond equivalent(s). With a molecular weight of 265.12 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.
CATO supplies 4-Bromo-2-methanesulfonyl-1-methoxybenzene (CAS 90531-99-0), a certified reference material (molecular formula C8H9BrO3S, MW 265.12 g/mol) for analytical method development and quality control.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO manufactures 4-Bromo-2-methanesulfonyl-1-methoxybenzene under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C8H9BrO3S |
| Molecular Weight | 265.12 g/mol |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), keep sealed and dry, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Hygroscopic; reseal immediately after opening; 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.) | 1982 |
| Halogen Content | Br-containing |
| Sulfur Atoms | 1 |
Related Bromo Standards
- 4-Bromo-2-methoxy-1-(methylsulfonyl)benzene (CAS 1095544-87-8)
- Methyl 4-bromo-3-methoxy-5-methyl-2-thiophenecarboxylate (CAS 123342-03-0)
- (3-Bromo-5-(methylsulfonyl)phenyl)methanol (CAS 1338796-07-8)
- 4'-Bromo-3-fluoro-4-methyl-1,1'-biphenyl (CAS 1443312-45-5)
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Recommended Standards
- 4-(2-Bromoethyl)benzenesulfonic acid (CAS 54322-31-5)
- 7-bromo-8-fluoro-3-methyl-3,4-dihydro-1H-quinoxalin-2-one (CAS 2756334-24-2)
- 3-(Bromomethyl)-2-fluoro-1,1′-biphenyl (CAS 82617-48-9)
- Ethyl 2-bromobenzenesulfonate (CAS 99769-29-6)
- Ethyl 5,7-Dichloroindole-2-carboxylate (CAS 4792-70-5)
- 2-Iodo-6-(trifluoromethyl)pyridine (CAS 100366-74-3)
- 1-(6-Amino-2,3-difluorophenyl)-2,2,2-trifluoroethanone (CAS 205756-47-4)
- 4-Acetyl-4-aminoisoxazolidin-3-one (CAS 122216-47-1)
- 1-(1-Amino-1H-pyrrol-2-yl)-2,2,2-trifluoroethanone (CAS 163350-71-8)
- (3-Fluoro-4-hydroxypiperidin-1-yl)(phenyl)methanone (CAS 1230788-74-5)
- 5-Methyl-2-piperidin-3-ylmethyl-pyridine dihydrochloride (CAS 1361112-29-9)
- (6-Nitrobenzo[d][1,3]dioxol-5-yl)methyl thiophene-2-carboxylate (CAS 331460-12-9)
- 4-(2-Chloroethyl)-N,N-diethylbenzenesulfonamide (CAS 1018537-40-0)
- Vialox Peptide(Pentapeptide-3) (CAS 135679-88-8)
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