4-(4-Chlorophenoxy)benzene-1-sulfonyl chloride CAS 191327-30-7
| CAS No. | 191327-30-7 |
| Molecular Formula | C12H8Cl2O3S |
| Molecular Weight | 303.16 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Structurally, 4-(4-Chlorophenoxy)benzene-1-sulfonyl chloride (C12H8Cl2O3S) contains a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, chlorine substitution, an aromatic ring system. The molecule exhibits a degree of unsaturation (DBE) of 8.0, corresponding to approximately 8 ring(s) or double-bond equivalent(s). With a molecular weight of 303.16 g/mol, it falls into the moderately-high-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).
4-(4-Chlorophenoxy)benzene-1-sulfonyl chloride (CAS 191327-30-7), molecular formula C12H8Cl2O3S and molecular weight 303.16 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 4-(4-Chlorophenoxy)benzene-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 | C12H8Cl2O3S |
| Molecular Weight | 303.16 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2011 |
| Halogen Content | Cl-containing |
| Sulfur Atoms | 1 |
Related Chlorophenoxy Standards
- 3-(2-Chlorophenoxy)benzenesulfonylchloride (CAS 474947-79-0)
- 3-(4-Chlorophenoxy)benzene-1-sulfonyl chloride (CAS 501697-55-8)
- 4-(3-Chlorophenoxy)benzene-1-sulfonyl chloride (CAS 815576-24-0)
- 4-(4-Chlorophenoxy)-2-(methylsulfanyl)quinazoline (CAS 477845-76-4)
- N-[2-(2-Chlorophenoxy)propyl]-2-isopropylaniline (CAS 1040681-83-1)
- 5-((3-(4-Chlorophenoxy)propyl)thio)-1,3,4-thiadiazol-2-amine (CAS 878584-10-2)
- 1-Benzyl-4-(2-chlorophenoxy)piperidine (CAS 900512-07-4)
- 4-(2-Benzyl-4-chlorophenoxy)piperidine (CAS 946681-57-8)
Recommended Standards
- 6-Methoxy-2-methyl-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)isoindolin-1-one (CAS 1840966-84-8)
- (1,3-Thiazol-5-yl)methyl N-(3,4-dichlorophenyl)carbamate (CAS 338981-80-9)
- 2-(4,5-Dimethoxy-2-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)acetonitrile (CAS 1831078-72-8)
- (2-Chloro-1,3-thiazol-5-yl)methyl N-(3-chlorophenyl)carbamate (CAS 341967-64-4)
- 2-(Aminomethyl)-4-(cyclohexylmethyl)phenol (CAS 1243363-81-6)
- Diphyllin (CAS 22055-22-7)
- Tert-butyl 4-cyano-4-(cyclopropylmethyl)piperidine-1-carboxylate (CAS 895132-31-7)
- 2-(Hydroxymethyl)benzo[d]oxazole-4-carboxaldehyde (CAS 1806284-76-3)
- 2-Ethylbenzene-1-sulfonyl chloride (CAS 34586-43-1)
- 4-Bromo-1-ethoxy-2-isopropylbenzene (CAS 24591-35-3)
- 1-[4-chloro-2-(trifluoromethyl)phenyl]-5-(chloromethyl)-1H-1,2,3,4-tetrazole (CAS 1094642-43-9)
- 1-(Cyclopropylmethyl)-4-iodo-1H-pyrazol-3-amine (CAS 1443279-21-7)
- 4-Hydroxybenzofuran-7-carbaldehyde (CAS 59254-29-4)
- Semaglutide impurity 65 (CAS CATO-C4X-222665)
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