3-Bromo-2-(chloromethyl)thiophene CAS 7353-88-0
| CAS No. | 7353-88-0 |
| Molecular Formula | C5H4BrClS |
| Molecular Weight | 211.51 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 211.51 g/mol gives 3-Bromo-2-(chloromethyl)thiophene distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
3-Bromo-2-(chloromethyl)thiophene (CAS 7353-88-0), molecular formula C5H4BrClS and molecular weight 211.51 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C5H4BrClS, 3-Bromo-2-(chloromethyl)thiophene contains sulfur-containing functionality, chlorine/bromine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 211.51 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. 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-Bromo-2-(chloromethyl)thiophene 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 | C5H4BrClS |
| Molecular Weight | 211.51 g/mol |
| Purity | 97%+ |
| Storage | Store at room temperature, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO |
| Stability | May oxidize slowly on prolonged air exposure |
| Degree of Unsaturation (DBE) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1959 |
| Halogen Content | Cl/Br-containing |
| Sulfur Atoms | 1 |
Related Bromo Standards
- 5-Bromo-2-chloro-3-methylthiophene (CAS 1182346-30-0)
- 4-Bromo-2-(chloromethyl)thiophene (CAS 170859-70-8)
- 2-Bromo-4-(chloromethyl)thiophene (CAS 73919-92-3)
- 2-Bromo-5-(chloromethyl)thiophene (CAS 7311-46-8)
- 2-Bromo-5-chloro-3-methylthiophene (CAS 53374-61-1)
- 3-Bromo-4-(chloromethyl)thiophene (CAS 70260-08-1)
- 3-Bromo-5-chloro-2-methylthiophene (CAS 61074-71-3)
- 1-bromo-2-(chloromethyl)benzene (CAS 578-51-8)
Recommended Standards
- 3-(bromomethyl)-2-chlorothiophene (CAS 40032-81-3)
- 4-(bromomethyl)-2-chlorothiophene (CAS 73919-94-5)
- 3-Chloro-1,2,4-trifluoro-5-nitrobenzene (CAS 104455-90-5)
- 2-(Bromomethyl)-5-chlorothiophene (CAS 59311-22-7)
- n-(4-Methylpiperidin-3-yl)cyclopentanecarboxamide (CAS 1831147-15-9)
- Milataxel (CAS 393101-41-2)
- (R)-5,6,7,8-tetrahydroimidazo[1,2-a]pyridin-8-yl acetate (CAS 2387667-02-7)
- 4-Amino-7-(trifluoromethyl)quinoline-3-carboxylic acid (CAS 1210338-66-1)
- N-(1-hydroxy-2-methylpropan-2-yl)isonicotinamide (CAS 81603-52-3)
- 5-bromo-3-chloropyridazine (CAS 1196155-33-5)
- Methyl 5-(4-chlorobenzamido)benzo[b]thiophene-2-carboxylate (CAS 477847-49-7)
- 5-chloro-1,3-thiazole hydrochloride (CAS 1955523-27-9)
- N-Benzyl-1-(2-methyl-1H-imidazol-4-yl)methanamine (CAS 1310255-26-5)
- Des-Trp25-Tirzepatide (CAS CATO-CPTD788948)
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