3-Bromo-4-(chloromethyl)thiophene CAS 70260-08-1
| CAS No. | 70260-08-1 |
| Molecular Formula | C5H4BrClS |
| Molecular Weight | 211.51 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Owing to sulfur-containing functionality, chlorine/bromine substitution, 3-Bromo-4-(chloromethyl)thiophene is typically white to off-white crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 211.51 g/mol — guide the selection of appropriate sample preparation and analytical techniques. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
CATO supplies 3-Bromo-4-(chloromethyl)thiophene (CAS 70260-08-1), a certified reference material (molecular formula C5H4BrClS, MW 211.51 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), 3-Bromo-4-(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.) | 1977 |
| 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-2-(chloromethyl)thiophene (CAS 7353-88-0)
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- 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)
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- 2-Bromo-7-chlorohept-1-ene (CAS 485320-15-8)
- (2-Methylfuran-3-carbonyl)glutamic acid (CAS 1396963-14-6)
- 2-Propenoic acid, 2-methyl-, methyl ester, polymer with ethyl 2-propenoate and 2-propenamide (CAS 25136-79-2)
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