2,5-Dibromothiophene 1,1-Dioxide CAS 89088-95-9
| CAS No. | 89088-95-9 |
| Molecular Formula | C4H2Br2O2S |
| Molecular Weight | 273.93 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Structurally, 2,5-Dibromothiophene 1,1-Dioxide (C4H2Br2O2S) 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 3.0, corresponding to approximately 3 ring(s) or double-bond equivalent(s). With a molecular weight of 273.93 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 2,5-Dibromothiophene 1,1-Dioxide (CAS 89088-95-9), a certified reference material (molecular formula C4H2Br2O2S, MW 273.93 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), 2,5-Dibromothiophene 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 | C4H2Br2O2S |
| Molecular Weight | 273.93 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) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1982 |
| Halogen Content | Br-containing |
| Sulfur Atoms | 1 |
Related Dibromothiophene Standards
- 3,4-Dibromothiophene 1,1-dioxide (CAS 89088-96-0)
- 2,4-Dibromothiophene-3-carbaldehyde (CAS 1257070-67-9)
- 3,4-Dibromothiophene-2-carbaldehyde (CAS 32896-02-9)
- 4,5-Dibromothiophene-2-carbaldehyde (CAS 38071-22-6)
- 4,5-Dibromothiophene-3-carbaldehyde (CAS 61200-56-4)
- 2,4-Dibromothiophene-3-carbonitrile (CAS 1256651-68-9)
- 4,5-Dibromothiophene-3-carbonitrile (CAS 1823961-00-7)
- 2,5-Dibromothiophene-3-carbonitrile (CAS 18792-01-3)
Recommended Standards
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