3-Bromo-5-(tert-butyl)-2-methylthiophene CAS 83174-17-8
| CAS No. | 83174-17-8 |
| Molecular Formula | C9H13BrS |
| Molecular Weight | 233.17 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Owing to sulfur-containing functionality, bromine substitution, 3-Bromo-5-(tert-butyl)-2-methylthiophene is typically white to off-white crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 233.17 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).
3-Bromo-5-(tert-butyl)-2-methylthiophene (CAS 83174-17-8) is a high-purity analytical reference standard with the molecular formula C9H13BrS and a molecular weight of 233.17 g/mol.
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-5-(tert-butyl)-2-methylthiophene 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 | C9H13BrS |
| Molecular Weight | 233.17 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.) | 1980 |
| Halogen Content | Br-containing |
| Sulfur Atoms | 1 |
Related Bromo Standards
- 2-(4-Bromo-3-methylbutyl)thiophene (CAS 1340169-23-4)
- 3-(4-Bromo-3-methylbutyl)thiophene (CAS 1340187-79-2)
- 3-(3-Bromo-2,2-dimethylpropyl)thiophene (CAS 1465939-99-4)
- 2-(3-Bromo-2,2-dimethylpropyl)thiophene (CAS 1483381-48-1)
- 4-(3-Bromo-2-methylpropyl)-2-methylthiophene (CAS 1489317-45-4)
- 2-Bromo-5-pentylthiophene (CAS 301199-32-6)
- 3-Bromo-2-(tert-butyl)-5-methylthiophene (CAS 36880-45-2)
- 2-bromo-2-methyl-1-phenylpropan-1-one (CAS 10409-54-8)
Recommended Standards
- 1-(2-Nitrophenyl)-1h-pyrazole-3-carboxylic acid (CAS 1006442-69-8)
- 3-(2,4-Difluorophenoxy)pyrazine-2-carbonitrile (CAS 303146-93-2)
- 1-(2-Nitrophenyl)-1h-pyrazole-4-carboxylic acid (CAS 1006952-14-2)
- 4-Oxo-1,4-dihydroquinoline-3,6-dicarboxylic acid (CAS 1018060-59-7)
- 3-(2-Methyl-2,3-dihydrobenzofuran-5-yl)-1-phenyl-1H-pyrazole-4-carbaldehyde (CAS 1234692-30-8)
- Methyl 6-(ethyl(methyl)amino)-2-methylnicotinate (CAS 1355218-00-6)
- Ethanethiohydrazide (CAS 62543-18-4)
- tert-Butyl 3-hydroxybutanoate (CAS 90435-23-7)
- Methyl 2-(3-bromopyridin-2-yl)acetate (CAS 192642-95-8)
- (1R*,2’R*)-1-(2’-hydroxy-2’-phenylethyl)-6,7-Dimethoxy-1,2,3,4-tetrahydro-isoquinoline (CAS 548443-20-5)
- n-(2,5-Difluorobenzyl)-2-methylpropan-1-amine (CAS 1096295-80-5)
- 2,2,2-Trifluoro-1-(4'-methyl-[1,1'-biphenyl]-4-yl)ethan-1-one (CAS 1079392-70-3)
- tert-Butyl (R)-3-(2-bromophenyl)piperazine-1-carboxylate (CAS 1228571-15-0)
- Macrocyclic Peptide flaviviridae Viruses InhibitorDISCONTINUED (CAS 1510840-70-6)
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