7-Bromo-2-methylbenzo[b]thiophene CAS 75288-49-2
| CAS No. | 75288-49-2 |
| Molecular Formula | C9H7BrS |
| Molecular Weight | 227.12 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 227.12 g/mol gives 7-Bromo-2-methylbenzo[b]thiophene distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
7-Bromo-2-methylbenzo[b]thiophene (CAS 75288-49-2) is a high-purity analytical reference standard with the molecular formula C9H7BrS and a molecular weight of 227.12 g/mol.
The molecular framework of 7-Bromo-2-methylbenzo[b]thiophene (C9H7BrS) is characterized by sulfur-containing functionality, bromine substitution, an aromatic ring system. In reversed-phase chromatography, its retention is governed primarily by the polarity and ionization state of its functional groups, which provides a practical basis for HPLC-UV/DAD or LC-MS method development. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
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), 7-Bromo-2-methylbenzo[b]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 | C9H7BrS |
| Molecular Weight | 227.12 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1978 |
| Halogen Content | Br-containing |
| Sulfur Atoms | 1 |
Related Bromo Standards
- 3-Bromo-2-methylbenzo[b]thiophene (CAS 10243-15-9)
- 2-Bromo-5-methylbenzo[b]thiophene (CAS 111860-00-5)
- 5-Bromo-3-methylbenzo[b]thiophene (CAS 1196-09-4)
- 7-bromo-3-methyl-1-benzothiophene (CAS 17514-70-4)
- 4-Bromo-3-methylbenzo[b]thiophene (CAS 19075-35-5)
- 5-Bromo-7-methylbenzo[b]thiophene (CAS 19076-18-7)
- 7-Bromo-5-methylbenzo[b]thiophene (CAS 19076-19-8)
- 1-bromo-4-(prop-1-yn-1-ylsulfanyl)benzene (CAS 85143-29-9)
Recommended Standards
- 6-Bromo-2-methylbenzo[b]thiophene (CAS 912332-92-4)
- Cyclohexanesulfonyl bromide (CAS 42738-18-1)
- 6-(Bromomethyl)benzo[b]thiophene (CAS 6179-30-2)
- 2-(Perfluorophenoxy)ethan-1-amine (CAS 110225-28-0)
- n-(1-(Pyridin-2-yl)ethyl)methanesulfonamide (CAS 1343432-32-5)
- 2-[(11bR)-3H-Binaphtho[2,1-c:1',2'-e]phosphepin-4(5H)-yl]ethylamine (CAS 1092064-00-0)
- 1-(1-methyl-1H-imidazol-2-yl)ethan-1-amine dihydrochloride (CAS 1426423-09-7)
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- 3-Chloro-6-methoxy-1H-pyrrolo[3,2-b]pyridine (CAS 1190316-40-5)
- Copper Peptide ·2 acetate salt (CAS 130120-57-9)
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