3-(4-Bromophenyl)thiophene CAS 20608-85-9
| CAS No. | 20608-85-9 |
| Molecular Formula | C10H7BrS |
| Molecular Weight | 239.13 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C10H7BrS, 3-(4-Bromophenyl)thiophene contains sulfur-containing functionality, bromine substitution, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 239.13 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.
3-(4-Bromophenyl)thiophene (CAS 20608-85-9), molecular formula C10H7BrS and molecular weight 239.13 g/mol, is a CATO reference standard with documented purity and traceability.
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-(4-Bromophenyl)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 | C10H7BrS |
| Molecular Weight | 239.13 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1962 |
| Halogen Content | Br-containing |
| Sulfur Atoms | 1 |
Related Bromophenyl Standards
- 2-(2-Bromophenyl)thiophene (CAS 106851-53-0)
- 2-(4-Bromophenyl)thiophene (CAS 40133-22-0)
- 3-(2-Bromophenyl)thiophene (CAS 20608-83-7)
- 3-(3-Bromophenyl)thiophene (CAS 20608-84-8)
- 4-(3-Bromophenyl)-3,6-dihydro-2H-pyran (CAS 1174324-81-2)
- 3-(3-Bromophenyl)cyclopentanone (CAS 1181795-18-5)
- 2-(3-Bromophenyl)pent-4-yn-2-ol (CAS 1342144-24-4)
- 3-(2-Bromophenyl)cyclopentanone (CAS 1368802-30-5)
Recommended Standards
- 3-Bromo-4-phenylthiophene (CAS 23062-41-1)
- 4-Bromo-5-(3-(((4-bromo-3-(trifluoromethyl)phenyl)amino)methyl)phenyl)-3-(carboxymethoxy)thiophene-2-carboxylic acid (CAS 864137-08-6)
- 2-Bromo-5-phenylthiophene (CAS 29488-24-2)
- 4-Bromonaphthalene-1-thiol (CAS 62648-52-6)
- 5-Nitro-2-(2-(trifluoromethyl)phenyl)-2H-1,2,3-triazole-4-carboxylic acid (CAS 1708250-34-3)
- tert-Butyl N-(4-bromo-3-chlorophenyl)-N-ethylcarbamate (CAS 1881332-70-2)
- 1-Cyclopropyl-N-(thiophen-3-ylmethyl)methanamine (CAS 741698-97-5)
- 3-Bromo-6,7,8,9-tetrahydro-5H-benzo[7]annulen-5-one (CAS 87779-78-0)
- 3-(3-Nitrophenoxy)pyridine (CAS 28232-52-2)
- 2-(5-Bromo-2-methoxyphenyl)thiazole-4-carbaldehyde (CAS 303111-39-9)
- (5-Bromo-2-cyanopyridin-4-yl)boronic acid (CAS 2225170-91-0)
- 5-(Cyclohexylamino)-5-oxopentanoic acid (CAS 200058-88-4)
- Testosterone Impurity 13 (CAS CATO-C4X-132613)
- (Leu31,Pro34)-Peptide YY (human) trifluoroacetate salt (CAS 179986-95-9)
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