4-Bromo-3-methoxyphenyl 4-methylbenzenesulfonate CAS 137396-01-1
| CAS No. | 137396-01-1 |
| Molecular Formula | C14H13BrO4S |
| Molecular Weight | 357.22 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-Bromo-3-methoxyphenyl 4-methylbenzenesulfonate (CAS 137396-01-1) is a high-purity analytical reference standard with the molecular formula C14H13BrO4S and a molecular weight of 357.22 g/mol.
Owing to a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, bromine substitution, a polycyclic aromatic system, 4-Bromo-3-methoxyphenyl 4-methylbenzenesulfonate is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 357.22 g/mol — guide the selection of appropriate sample preparation and analytical techniques. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
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-3-methoxyphenyl 4-methylbenzenesulfonate 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 | C14H13BrO4S |
| Molecular Weight | 357.22 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1996 |
| Halogen Content | Br-containing |
| Sulfur Atoms | 1 |
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Recommended Standards
- N-Benzyl-5-bromo-4-hydroxy-N-methylpyridine-3-sulfonamide (CAS 1352501-87-1)
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- 2-(4-Bromophenyl)benzo[d]imidazo[2,1-b]thiazole-3-carbaldehyde (CAS 127204-72-2)
- (E)-2-(((5-bromothiophen-2-yl)methylene)amino)-5-phenylfuran-3-carbonitrile (CAS 478033-42-0)
- (R)-tert-Butyl 3-(5-bromothiophene-2-sulfonamido)pyrrolidine-1-carboxylate (CAS 1261235-40-8)
- 5-Methyl-2-(pyridin-3-yl)-1,3-thiazol-4-yl cyclopropanecarboxylate (CAS 338399-03-4)
- 3,5-dimethylbenzaldehyde 5779-95-3 AS04978 M-XYLENE-5-CARBOXALDEHYDE (CAS 5779-95-3)
- 1-Butyl-6-hydroxy-4-methyl-2-oxo-1,2-dihydropyridine-3-carbonitrile (CAS 39108-47-9)
- Z-Arg-Arg-AMC (I-1135.0050) (CAS 88937-61-5)
- 1-[Chloro(difluoro)methoxy]-2-(trifluoromethyl)benzene (CAS 104678-82-2)
- 1-L-Cys-Etelcalcetide (CAS CATO-C4X-32471)
- Piribedil Impurity 10 (CAS 50602-50-1)
- tert-Butyl 3-((phenylamino)methyl)azetidine-1-carboxylate (CAS 309747-44-2)
- Peptide Impurity 26 (CAS 1350456-66-4)
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