1-(3-Bromo-4-methoxyphenyl)-2-(methylthio)ethan-1-one CAS 1178244-44-4
| CAS No. | 1178244-44-4 |
| Molecular Formula | C10H11BrO2S |
| Molecular Weight | 275.16 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), 1-(3-Bromo-4-methoxyphenyl)-2-(methylthio)ethan-1-one 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.
1-(3-Bromo-4-methoxyphenyl)-2-(methylthio)ethan-1-one (CAS 1178244-44-4), molecular formula C10H11BrO2S and molecular weight 275.16 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 1-(3-Bromo-4-methoxyphenyl)-2-(methylthio)ethan-1-one (C10H11BrO2S) contains a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, bromine substitution, an aromatic ring system. The molecule exhibits a degree of unsaturation (DBE) of 5.0, corresponding to approximately 5 ring(s) or double-bond equivalent(s). With a molecular weight of 275.16 g/mol, it falls into the medium-molecular-weight range. 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).
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 | C10H11BrO2S |
| Molecular Weight | 275.16 g/mol |
| Purity | 97%+ |
| Storage | Store at room temperature, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1989 |
| Halogen Content | Br-containing |
| Sulfur Atoms | 1 |
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Recommended Standards
- 5-(Trifluoromethyl)-3-(4-fluorophenyl)isoxazole-4-carboxylic Acid (CAS 1159600-73-3)
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- 1-(3-Bromophenyl)-2-((2-hydroxyethyl)thio)ethan-1-one (CAS 1152654-89-1)
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