1-(4-Chlorophenyl)butane-1-sulfonyl chloride CAS 1248955-64-7
| CAS No. | 1248955-64-7 |
| Molecular Formula | C10H12Cl2O2S |
| Molecular Weight | 267.17 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C10H12Cl2O2S, 1-(4-Chlorophenyl)butane-1-sulfonyl chloride contains a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, chlorine substitution, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 267.17 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
1-(4-Chlorophenyl)butane-1-sulfonyl chloride (CAS 1248955-64-7), molecular formula C10H12Cl2O2S and molecular weight 267.17 g/mol, is a CATO reference standard with documented purity and traceability.
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
CATO manufactures 1-(4-Chlorophenyl)butane-1-sulfonyl chloride 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 | C10H12Cl2O2S |
| Molecular Weight | 267.17 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) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1990 |
| Halogen Content | Cl-containing |
| Sulfur Atoms | 1 |
Related Chlorophenyl Standards
- 2,2-Bis(2-chlorophenyl)ethan-1-ol (CAS 18251-48-4)
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- 1-(4-Chlorophenyl)-2-(2-chloropyrimidin-4-yl)ethanone (CAS 646527-94-8)
- N4-(2-chlorophenyl)-2-chloroisonicotinamide (CAS 680217-40-7)
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- N-(4-chlorophenyl)-N-methyl-3-(trifluoromethyl)benzamide (CAS 860649-45-2)
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- 3,4,5-Trifluorobenzaldehyde (CAS 132123-54-7)
- 2-Iodo-4-phenylthiazole-5-carboxylic acid (CAS 1201811-11-1)
- (4Z)-2-[(4-Chlorophenyl)methoxy]-4-({[3-(trifluoromethyl)phenyl]amino}methylidene)-1,2,3,4-tetrahydroisoquinoline-1,3-dione (CAS 338419-54-8)
- tert-Butyl 2,3,4,5-tetrahydro-1h-1,5-benzodiazepine-1-carboxylate (CAS 946386-48-7)
- 1-(3-Bromopropoxy)-3-ethoxybenzene (CAS 134347-05-0)
- 5-formyl-4-methylfuran-2-carboxylic acid (CAS 1506054-67-6)
- D-Leu26-Tirzepatide (CAS CATO-CPTD788908)
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