(3-Bromophenyl)(2-thienyl)methanone CAS 31161-47-4
| CAS No. | 31161-47-4 |
| Molecular Formula | C11H7BrOS |
| Molecular Weight | 267.14 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 267.14 g/mol gives (3-Bromophenyl)(2-thienyl)methanone distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
(3-Bromophenyl)(2-thienyl)methanone (CAS 31161-47-4), molecular formula C11H7BrOS and molecular weight 267.14 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, (3-Bromophenyl)(2-thienyl)methanone (C11H7BrOS) contains sulfur-containing functionality, a hydroxyl group, an ether linkage, bromine substitution, an aromatic ring system. The molecule exhibits a degree of unsaturation (DBE) of 8.0, corresponding to approximately 8 ring(s) or double-bond equivalent(s). With a molecular weight of 267.14 g/mol, it falls into the medium-molecular-weight range. 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.
As a certified reference material (CRM), (3-Bromophenyl)(2-thienyl)methanone 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 | C11H7BrOS |
| Molecular Weight | 267.14 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, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1965 |
| Halogen Content | Br-containing |
| Sulfur Atoms | 1 |
Related Bromophenyl Standards
- (3-Bromophenyl)(thiophen-3-yl)methanone (CAS 187963-91-3)
- (4-Bromophenyl)(thiophen-3-yl)methanone (CAS 187963-92-4)
- (4-Bromophenyl)(thiophen-2-yl)methanone (CAS 4160-65-0)
- (E)-3-(4-Bromophenyl)-2-cyanoprop-2-enethioamide (CAS 68029-54-9)
- 4-(3-Bromophenyl)pyrimidine-2(1H)-thione (CAS 874766-81-1)
- 4-(4-Bromophenyl)pyrimidine-2(1H)-thione (CAS 832741-25-0)
- 5-(2-bromophenyl)thiophene-2-carbaldehyde (CAS 886509-00-8)
- 5-(3-Bromophenyl)thiophene-2-carbaldehyde (CAS 38401-72-8)
Recommended Standards
- 7-bromo-N-(2-fluoroethyl)pyrrolo[2,1-f][1,2,4]triazin-4-amine (CAS 1873330-47-2)
- 5-Bromo-1-isopropyl-4-(methylsulfonyl)-1H-pyrazole (CAS 1785593-59-0)
- 4-(3-Bromothien-2-yl)benzaldehyde (CAS 934570-51-1)
- 3-(5-Bromothiophen-2-yl)benzaldehyde (CAS 1528694-65-6)
- N-(2-Chlorophenyl)-2,4,5-trimethoxybenzamide (CAS 911832-17-2)
- N-[(1R*,4R*)-4-Aminocyclohexyl]pivalamide hydrochloride (CAS 1286265-11-9)
- (4-Hydroxyphenyl)(piperidin-4-yl)methanone (CAS 420786-53-4)
- 9-cis-Retinyl Stearate-d5 (CAS 1331643-11-8)
- 4,6-Dichloro-2-(1H-pyrazol-1-yl)pyrimidine (CAS 1017781-89-3)
- 4,7-Dimethoxy-8-((3-methylbut-2-en-1-yl)oxy)furo[2,3-b]quinoline (CAS 81536-07-4)
- 1-(1-Chlorobutan-2-yl)-4-fluorobenzene (CAS 1225846-66-1)
- 2-Chloro-n-[1-(thiophen-2-yl)ethyl]acetamide (CAS 793727-52-3)
- 3-Propoxy-1-propyl-N-(thiazol-2-yl)-1H-pyrazole-4-carboxamide (CAS 1013765-96-2)
- Tau Peptide (273-284) trifluoroacetate salt (CAS 1663490-91-2)
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