3,4-Dibromo-2-methyltetrahydrothiophene 1,1-dioxide CAS 100516-83-4
| CAS No. | 100516-83-4 |
| Molecular Formula | C5H8Br2O2S |
| Molecular Weight | 291.99 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of 3,4-Dibromo-2-methyltetrahydrothiophene 1,1-dioxide is closely related to a sulfone 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.
CATO supplies 3,4-Dibromo-2-methyltetrahydrothiophene 1,1-dioxide (CAS 100516-83-4), a certified reference material (molecular formula C5H8Br2O2S, MW 291.99 g/mol) for analytical method development and quality control.
Structurally, 3,4-Dibromo-2-methyltetrahydrothiophene 1,1-dioxide (C5H8Br2O2S) 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 291.99 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), 3,4-Dibromo-2-methyltetrahydrothiophene 1,1-dioxide 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 | C5H8Br2O2S |
| Molecular Weight | 291.99 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.) | 1985 |
| Halogen Content | Br-containing |
| Sulfur Atoms | 1 |
Related Dibromo Standards
- 3,6-Dibromo-benzo[b]thiophene (CAS 1426082-37-2)
- 3,4-Dibromo-3-methyl-1λ6-thiolane-1,1-dione (CAS 17536-53-7)
- 3,4-Dibromo-n-butylbenzene (CAS 1160574-94-6)
- 1,2-Dibromo-4-cyclopropoxybenzene (CAS 1243409-73-5)
- 1,3-Dibromo-2-cyclopropoxybenzene (CAS 1243473-33-7)
- 1,3-Dibromo-5-(tert-butyl)benzene (CAS 129316-09-2)
- 2,2-Dibromo-4'-methylacetophenone (CAS 13664-98-7)
- 1,4-Dibromo-2,3,5,6-tetramethylbenzene (CAS 1646-54-4)
Recommended Standards
- 3,5,6,8-Tetrachloroacenaphthene (CAS 100125-35-7)
- 4,7-dibromobenzo[b]thiophene (CAS 1391908-40-9)
- Bupropion Impurity 16 (CAS 76650-08-3)
- N-Allyl-3,5-dibromopyridin-2-amine (CAS 98545-74-5)
- 2-((4-Fluorobenzyl)thio)-4,5-diphenyl-1-(prop-2-yn-1-yl)-1H-imidazole (CAS 339277-63-3)
- 5-Iodo-4-methoxy-2-(trifluoromethyl)pyridine (CAS 1804437-74-8)
- 3-[4-[3-(3-hydroxypropoxy)prop-1-ynyl]-1-oxo-isoindolin-2-yl]piperidine-2,6-dione (CAS 2619512-35-3)
- 1-(2-(2-(Piperidin-1-yl)pyridin-3-yl)pyrrolidin-1-yl)ethanone (CAS 1352533-23-3)
- (2'RS)-Hyoscine Butylbromide (CAS 30269-52-4)
- Methyl[2-methyl-1-(2-methylphenyl)propyl]amine (CAS 1183571-66-5)
- Desloratadine Impurity N3 (CAS 1346601-53-3)
- Ethyl 5-(4-nitrophenyl)-2-(piperidin-1-yl)-1H-pyrrole-3-carboxylate (CAS 338406-28-3)
- 5'-Methyl-[2,2'-bipyridine]-6-carboxylic acid (CAS 334001-79-5)
- Insulin Degludec Impurity 28 (CAS CATO-C4X-215728)
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