1-(3-Bromo-4-methoxyphenyl)-2-(ethylthio)ethan-1-one CAS 1157221-98-1
| CAS No. | 1157221-98-1 |
| Molecular Formula | C11H13BrO2S |
| Molecular Weight | 289.19 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
1-(3-Bromo-4-methoxyphenyl)-2-(ethylthio)ethan-1-one (CAS 1157221-98-1), molecular formula C11H13BrO2S and molecular weight 289.19 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C11H13BrO2S, 1-(3-Bromo-4-methoxyphenyl)-2-(ethylthio)ethan-1-one contains a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, bromine substitution, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 289.19 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. 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.
CATO manufactures 1-(3-Bromo-4-methoxyphenyl)-2-(ethylthio)ethan-1-one under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C11H13BrO2S |
| Molecular Weight | 289.19 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 |
Related Bromo Standards
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Recommended Standards
- Fosamprenavir Impurity 4 (CAS 114088-58-3)
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- 1-(4-Bromophenyl)-2-((2-hydroxyethyl)thio)propan-1-one (CAS 1157308-15-0)
- 5-Amino-2-((pyridin-2-ylmethyl)amino)pyrimidin-4(1H)-one (CAS 77961-36-5)
- (2-Ethoxy-3-formyl-5-methylphenyl)boronic acid (CAS 480424-54-2)
- 3-Bromo-4-ethylphenol (CAS 540495-28-1)
- 1-Propyl-1H-benzoimidazole (CAS 7665-66-9)
- Methyl 6-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-indazole-3-carboxylate (CAS 2379560-87-7)
- N-(4-fluorophenyl)-6,7-dimethoxyquinazolin-4-amine (CAS 296234-69-0)
- 3-(Cyclohexyloxy)-2-methylphenol (CAS 1094409-82-1)
- 2-(Benzo[d]isoxazol-3-yl)-1-(3-hydroxyazetidin-1-yl)ethan-1-one (CAS 1469093-35-3)
- N-Benzyl-5-methylbenzo[d]isoxazol-3-amine (CAS 1344701-89-8)
- D-Pro37-Tirzepatide (CAS CATO-CPTD788902)
Why CATO?
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