(E)-(4-methoxy-4-oxobut-2-en-1-yl)dimethylsulfonium bromide CAS 52919-94-5
| CAS No. | 52919-94-5 |
| Molecular Formula | C7H13O2S |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Structurally, (E)-(4-methoxy-4-oxobut-2-en-1-yl)dimethylsulfonium bromide (C7H13O2SBr) contains a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, bromine substitution. The molecule exhibits a degree of unsaturation (DBE) of 1.0, corresponding to approximately 1 ring(s) or double-bond equivalent(s). With a molecular weight of 241.14 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 (E)-(4-methoxy-4-oxobut-2-en-1-yl)dimethylsulfonium bromide (CAS 52919-94-5), a certified reference material (molecular formula C7H13O2SBr, MW 241.14 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.
As a certified reference material (CRM), (E)-(4-methoxy-4-oxobut-2-en-1-yl)dimethylsulfonium bromide 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 | C7H13O2S Br |
| Molecular Weight | 241.14 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 | Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 1.0 |
| CAS Registry Year (est.) | 1972 |
| Halogen Content | Br-containing |
| Sulfur Atoms | 1 |
Related E Standards
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Recommended Standards
- (R)-tert-Butyl 3-chloropyrrolidine-1-carboxylate (CAS 1289585-27-8)
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- 3,4-Dichloro-5-(cyclohexylmethoxy)pyridazine (CAS 1346698-18-7)
- Benzene, 1-(2-methyl-1-propen-1-yl)-3-nitro- (CAS 6026-73-9)
- 1,5-Anhydro-D-xylitol (CAS 39102-78-8)
- 3-(2-Bromophenoxy)-2-methylpropane-1-sulfonyl chloride (CAS 1340502-20-6)
- trans-2-(3,4-Difluorophenyl)cyclopropanecarboxylic Acid (CAS 1006614-50-1)
- Cefetamet Impurity 5 (CAS CATO-C4X-12875)
- tert-Butyl (5-oxospiro[2.3]hexan-1-yl)carbamate (CAS 2138390-08-4)
- C-Peptide 2 (rat) (CAS 41594-08-5)
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