2-(Butylthio)-1-(2-chlorophenyl)ethan-1-one CAS 1157303-94-0
| CAS No. | 1157303-94-0 |
| Molecular Formula | C12H15ClOS |
| Molecular Weight | 242.76 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
2-(Butylthio)-1-(2-chlorophenyl)ethan-1-one (CAS 1157303-94-0), molecular formula C12H15ClOS and molecular weight 242.76 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 2-(Butylthio)-1-(2-chlorophenyl)ethan-1-one (C12H15ClOS) contains sulfur-containing functionality, a hydroxyl group, an ether linkage, chlorine 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 242.76 g/mol, it falls into the medium-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
As a certified reference material (CRM), 2-(Butylthio)-1-(2-chlorophenyl)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.
Physical & Chemical Properties
| Molecular Formula | C12H15ClOS |
| Molecular Weight | 242.76 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 |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1989 |
| Halogen Content | Cl-containing |
| Sulfur Atoms | 1 |
Related Butylthio Standards
- 2-(Tert-butylthio)-1-(2-chlorophenyl)ethan-1-one (CAS 1152850-85-5)
- 2-(Sec-butylthio)-1-(3-chlorophenyl)ethan-1-one (CAS 1154194-68-9)
- 2-(Sec-butylthio)-1-(2-chlorophenyl)ethan-1-one (CAS 1154959-10-0)
- 2-((Sec-butylthio)methyl)-6-oxo-1,6-dihydropyrimidine-5-carboxylic acid (CAS 1492375-11-7)
- 2-(Tert-butylthio)-N-(3,5-dimethyl-1h-pyrazol-4-yl)acetamide (CAS 1186599-24-5)
- 5-((Tert-butylthio)methylene)-2,2-dimethyl-1,3-dioxane-4,6-dione (CAS 477866-60-7)
- 2-((Tert-butylthio)methyl)-4-methylpyrimidine-5-carboxylic acid (CAS 1495183-56-6)
- 2-((Sec-butylthio)methyl)-4-methylpyrimidine-5-carboxylic acid (CAS 1497855-50-1)
Recommended Standards
- 1-(4-Chlorophenyl)-2-(propylthio)propan-1-one (CAS 1157207-12-9)
- 1-(3-Chlorophenyl)-2-(propylthio)propan-1-one (CAS 1157365-40-6)
- 1-(4-Chlorophenyl)-2-(isobutylthio)ethan-1-one (CAS 1155554-83-8)
- 6-((4-Chlorophenyl)thio)hexan-2-one (CAS 1157610-80-4)
- 2-Thia-5,8-diazaspiro[3.5]Nonan-7-one 2,2-dioxide (CAS 1935955-18-2)
- 2-(4-Fluorophenoxy)-N-(2,2,2-trifluoroethyl)acetamide (CAS 1355495-51-0)
- 2-Amino-1-(1H-indol-3-yl)ethan-1-one (CAS 87084-40-0)
- 5,6-Dibromo-2,2-difluorobenzo[d][1,3]dioxole (CAS 149045-80-7)
- {[4-(Benzyloxy)phenyl]methyl}(butan-2-yl)amine (CAS 66741-84-2)
- 1-(4-Propylphenyl)ethanone (CAS 2932-65-2)
- Tofacitinib Impurity 61 (CAS CATO-C4X-107961)
- 2-((2-(5-Methoxy-1H-indol-3-yl)ethyl)amino)-5-nitrobenzonitrile (CAS 945367-20-4)
- 2-(3-Bromo-1H-1,2,4-triazol-1-yl)acetic acid (CAS 1449369-00-9)
- TRAF6 Peptide trifluoroacetate salt (CAS 852805-92-6)
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