3-Bromo-2-(tert-butyl)-5-methylthiophene CAS 36880-45-2
| CAS No. | 36880-45-2 |
| Molecular Formula | C9H13BrS |
| Molecular Weight | 233.17 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), 3-Bromo-2-(tert-butyl)-5-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.
3-Bromo-2-(tert-butyl)-5-methylthiophene (CAS 36880-45-2) is a high-purity analytical reference standard with the molecular formula C9H13BrS and a molecular weight of 233.17 g/mol.
Based on its molecular formula C9H13BrS, 3-Bromo-2-(tert-butyl)-5-methylthiophene contains sulfur-containing functionality, bromine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 233.17 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.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
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.) | 1967 |
| 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-5-(tert-butyl)-2-methylthiophene (CAS 83174-17-8)
- 2-bromo-2-methyl-1-phenylpropan-1-one (CAS 10409-54-8)
Recommended Standards
- 3-(2,4-Difluorophenoxy)pyrazine-2-carbonitrile (CAS 303146-93-2)
- 1-(2-Nitrophenyl)-1h-pyrazole-3-carboxylic acid (CAS 1006442-69-8)
- 2-amino-4-(difluoromethoxy)-5-methoxybenzoic acid (CAS 923145-68-0)
- 1-(2-Nitrophenyl)-1h-pyrazole-4-carboxylic acid (CAS 1006952-14-2)
- 5,6-Dimethoxy-1H-indazole-3-carboxylic acid (CAS 29281-07-0)
- 5’-Phenyl-[1,1’:3’,1’’-terphenyl]-2’-carbaldehyde (CAS 85390-98-3)
- 4,4'-(Propane-1,3-diylbis(oxy))bis(benzene-1,3-diamine) tetrahydrochloride (CAS 74918-21-1)
- 4-alpha-(4-Cyanophenyl)-chloromethyl-benzonitrile (CAS 112809-57-1)
- 2-((2-Methoxyphenyl)amino)-2-oxoethyl 5-bromonicotinate (CAS 721887-61-2)
- 1-Chloro-3-(4-methylpiperazin-1-yl)propane (CAS 104-16-5)
- (S)-1-(4-Bromophenyl)-2,2,2-trifluoroethanamine Hydrochloride (CAS 336105-43-2)
- Labetalol Impurity 52 (CAS CATO-C4X-246652)
- 6-Bromo-3-methylpyrimidin-4(3H)-one (CAS 1611464-74-4)
- Semaglutide Impurity 125 xTFA Salt (CAS CATO-C4X-2226125)
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