Cas no 931-59-9 (Phenylsulfenyl Chloride)

Phenylsulfenyl Chloride (C6H5SCl) is a sulfur-containing organochlorine compound used primarily as a reagent in organic synthesis. Its key advantages include its role as an effective electrophilic sulfenylating agent, enabling the introduction of the phenylsulfenyl group (–SPh) into various substrates. The compound is particularly valuable in the synthesis of sulfides, sulfoxides, and other sulfur-functionalized molecules. It exhibits high reactivity with nucleophiles, such as thiols and amines, facilitating selective bond formation. Phenylsulfenyl Chloride is also employed in peptide chemistry for disulfide bond formation and protecting group strategies. Its stability under controlled conditions and precise reactivity make it a reliable tool for advanced synthetic applications.
Phenylsulfenyl Chloride structure
Phenylsulfenyl Chloride structure
Product Name:Phenylsulfenyl Chloride
CAS No:931-59-9
MF:C6H5ClS
MW:144.621899366379
CID:804005
PubChem ID:11008040
Update Time:2025-11-06

Phenylsulfenyl Chloride Chemical and Physical Properties

Names and Identifiers

    • Benzenesulfenylchloride
    • phenyl thiohypochlorite
    • Phenylchloro sulfide
    • Phenylsulfenylchloride
    • Phenyl-sulfoniumylidene Chloride
    • thiohypochlorous acid phenyl ester
    • Phenylsulphenyl chloride
    • Benzenesulfenyl chloride
    • Phenyl chloro sulfide
    • Phenylsulfenyl chloride
    • (Chlorosulfanyl)benzene
    • (Chlorothio)benzene
    • Benzene, (chlorothio)-
    • J-523958
    • DB-321394
    • SCHEMBL397524
    • (PHENYLSULFANYL)CHLORANE
    • 931-59-9
    • benzene sulfenyl chloride
    • phenyl sulfenyl chloride
    • DTXSID60451599
    • DTXCID90402418
    • Phenylsulfenyl Chloride
    • MDL: MFCD11850482
    • Inchi: 1S/C6H5ClS/c7-8-6-4-2-1-3-5-6/h1-5H
    • InChI Key: JWUKZUIGOJBEPC-UHFFFAOYSA-N
    • SMILES: ClSC1C=CC=CC=1

Computed Properties

  • Exact Mass: 143.98000
  • Monoisotopic Mass: 143.9800490g/mol
  • Isotope Atom Count: 0
  • Hydrogen Bond Donor Count: 0
  • Hydrogen Bond Acceptor Count: 0
  • Heavy Atom Count: 8
  • Rotatable Bond Count: 1
  • Complexity: 59.5
  • Covalently-Bonded Unit Count: 1
  • Defined Atom Stereocenter Count: 0
  • Undefined Atom Stereocenter Count : 0
  • Defined Bond Stereocenter Count: 0
  • Undefined Bond Stereocenter Count: 0
  • Surface Charge: 0
  • Tautomer Count: nothing
  • XLogP3: 2.8
  • Topological Polar Surface Area: 25.3?2

Experimental Properties

  • Color/Form: Dark red hygroscopic oily liquid
  • Density: 1.25
  • Melting Point: 44 °C
  • Boiling Point: 262 oC
  • Flash Point: 110 oC
  • PSA: 25.30000
  • LogP: 2.93250

Phenylsulfenyl Chloride Customs Data

  • HS CODE:2930909090
  • Customs Data:

    China Customs Code:

    2930909090

    Overview:

    2930909090. Other organic sulfur compounds. VAT:17.0%. Tax refund rate:13.0%. Regulatory conditions:nothing. MFN tariff:6.5%. general tariff:30.0%

    Declaration elements:

    Product Name, component content, use to

    Summary:

    2930909090. other organo-sulphur compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:30.0%

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Phenylsulfenyl Chloride Production Method

Production Method 1

Reaction Conditions
1.1 Reagents: Hydrochloric acid ,  Sodium hypochlorite Solvents: Dichloromethane ;  30 min, 0 °C; 30 min, 0 °C
Reference
Safe and practical ex-situ chlorination of electronically diverse π-systems
Aguilar, Glen C.; Lis, Patrycja A. ; Wise, Dan E. ; Martinez, Jenny S.; Parasram, Marvin, Tetrahedron Letters, 2023, 124,

Production Method 2

Reaction Conditions
1.1 Reagents: Chlorosuccinimide Solvents: Dichloromethane ;  0 °C; 15 min, 0 °C
Reference
Bifunctional Polyene Cyclizations: Synthetic Studies on Pimarane Natural Products
Feilner, Julian M. ; Plangger, Immanuel ; Wurst, Klaus; Magauer, Thomas, Chemistry - A European Journal, 2021, 27(48), 12410-12421

Production Method 3

Reaction Conditions
1.1 Reagents: Chlorine Solvents: Pentane ;  1 h, rt
Reference
The Endocyclic Restriction Test: The Geometries of Nucleophilic Substitutions at Sulfur(VI) and Sulfur(II)
Jarboe, Stephen G.; Terrazas, Michael S.; Beak, Peter, Journal of Organic Chemistry, 2008, 73(24), 9627-9632

Production Method 4

Reaction Conditions
1.1 Reagents: Chlorine
Reference
Electrophilic additions to strained alkenes. II. The reaction of benzeneselenenyl chloride with tricyclo[4.2.2.02,5]deca-3,7-diene derivatives
Garratt, Dennis G.; Ryan, M. Dominic; Kabo, Ann, Canadian Journal of Chemistry, 1980, 58(22), 2329-39

Production Method 5

Reaction Conditions
1.1 Reagents: Iodobenzene dichloride Solvents: Dichloromethane ;  20 min, rt
Reference
Method for synthesizing aryl sulfenyl/selenenyl chloride
, China, , ,

Production Method 6

Reaction Conditions
1.1 Reagents: Sulfuryl chloride Solvents: Dichloromethane ;  0 °C; 1 h, 0 °C
Reference
Synthesis and biological evaluation of nonsymmetrical aromatic disulfides as novel inhibitors of acetohydroxyacid synthase
Li, Zai-Shun; Wang, Wei-Min; Lu, Wei; Niu, Cong-Wei; Li, Yong-Hong; et al, Bioorganic & Medicinal Chemistry Letters, 2013, 23(13), 3723-3727

Production Method 7

Reaction Conditions
1.1 Reagents: Sulfuryl chloride Solvents: Dichloromethane ;  0 °C; 1 h, 0 °C
Reference
Synthesis, Crystal Structure, in Vitro Acetohydroxyacid Synthase Inhibition, in Vivo Herbicidal Activity, and 3D-QSAR of New Asymmetric Aryl Disulfides
Shang, Jun; Wang, Wei-Min; Li, Yong-Hong; Song, Hai-Bin; Li, Zheng-Ming; et al, Journal of Agricultural and Food Chemistry, 2012, 60(34), 8286-8293

Production Method 8

Reaction Conditions
1.1 Reagents: Chlorine
Reference
Studies of aromatic disulfides. VII. Synthesis of asymmetric aromatic and aliphatic-aromatic disulfides
Stepanov, B. I.; Rodionov, V. Ya.; Chibisova, T. A.; Yagodina, L. A.; Stankevich, A. D., Zhurnal Organicheskoi Khimii, 1977, 13(2), 370-4

Production Method 9

Reaction Conditions
1.1 Reagents: Triethylamine Solvents: Benzene ;  15 min, 0 °C
1.2 Reagents: Sulfuryl chloride Solvents: Dichloromethane ;  0 °C
Reference
Synthesis and deployment of an elusive fluorovinyl cation equivalent: Access to quaternary α-(1'-fluoro)vinyl amino acids as potential PLP enzyme inactivators
McCune, Christopher D.; Beio, Matthew L.; Sturdivant, Jill M.; de la Salud-Bea, Roberto; Darnell, Brendan M.; et al, Journal of the American Chemical Society, 2017, 139(40), 14077-14089

Production Method 10

Reaction Conditions
1.1 Reagents: Chlorine Solvents: Carbon tetrachloride ;  3 h, < 20 °C; 2 - 4 h, rt
1.2 Reagents: Sodium bicarbonate Solvents: Water
Reference
Preparation and characterization of o- or p-phenylthio substituted phenol compounds
Feng, Baicheng; Yu, Fanuan; Li, Peipei, Qingdao Keji Daxue Xuebao, 2010, 31(3), 231-233

Production Method 11

Reaction Conditions
1.1 Reagents: Chlorine Solvents: Carbon tetrachloride ;  3 h, < 20 °C; 2 h, < 20 °C
Reference
Method for preparation of substituted diphenyl sulfide via Friedel-Crafts reaction
, China, , ,

Production Method 12

Reaction Conditions
1.1 Reagents: Sulfuryl chloride
Reference
Benzenesulfenyl chloride
Zelcans, Gunars; Hutton, Thomas K.; Rios, Ramon; Shibata, Norio, e-EROS Encyclopedia of Reagents for Organic Synthesis, 2013, 1, 1-14

Production Method 13

Reaction Conditions
1.1 Reagents: Sulfuryl chloride Solvents: Dichloromethane
Reference
Synthesis of [1c-13C]-Labelled Gangliosides GM3 and NMR-Spectroscopic Investigations in Cell Cultures
Gretzke, Dirk, 1998, , ,

Production Method 14

Reaction Conditions
Reference
Concerning the mechanism of the formation of phosphoranes from the reaction of tricoordinated phosphorus compounds and alkyl benzenesulfenates
Denney, Donald B.; Denney, Dorothy Z.; Gavrilovic, Dragan M., Phosphorus and Sulfur and the Related Elements, 1981, 11(1), 1-9

Production Method 15

Reaction Conditions
1.1 Reagents: Chlorosuccinimide Solvents: Dichloromethane ;  0 °C; 15 min, 0 °C
Reference
Palladium-Catalyzed Regio- and Stereoselective Chlorothiolation of Terminal Alkynes with Sulfenyl Chlorides
Iwasaki, Masayuki; Fujii, Tomoya; Yamamoto, Arisa; Nakajima, Kiyohiko; Nishihara, Yasushi, Chemistry - An Asian Journal, 2014, 9(1), 58-62

Production Method 16

Reaction Conditions
1.1 Reagents: Sulfuryl chloride Solvents: Dichloromethane ;  cooled; 1 h, cooled
Reference
Triazole-asymmetric disulfide compounds as herbicides and their preparation, agrochemical compositions and use in the control of weeds
, China, , ,

Production Method 17

Reaction Conditions
1.1 Reagents: Sulfuryl chloride Solvents: Dichloromethane ;  0 °C; 1 h, 0 °C
Reference
Preparation of heterocyclic ring-containing asymmetric aromatic sulfide compound as AHAS inhibitors useful as herbicides
, China, , ,

Production Method 18

Reaction Conditions
1.1 Reagents: Chlorosuccinimide Solvents: Dichloromethane ;  0 °C; 15 min, 0 °C
Reference
In Situ Activation of Disulfides for Multicomponent Reactions with Isocyanides and a Broad Range of Nucleophiles
Lei, Xiaofang; Wang, Yuanyuan; Fan, Erkang; Sun, Zhihua, Organic Letters, 2019, 21(5), 1484-1487

Production Method 19

Reaction Conditions
1.1 Reagents: Chlorine
Reference
Cyclofunctionalization of 2-allylphenols with sulfur chlorides. III. 2-(Arylthiomethyl)-2,3-dihydrofuro[3,2-h]quinolines from 7-allyl- and 7-methallyl-8-hydroxyquinoline, respectively, and arylsulfenyl chlorides
Meinhold, H.; Muehlstaedt, M.; Muslih, R. M., Journal fuer Praktische Chemie (Leipzig), 1989, 331(1), 136-40

Production Method 20

Reaction Conditions
1.1 Reagents: Sulfuryl chloride Solvents: Pentane ;  0.5 h, 0 °C; 0 °C → rt; 1 h, rt
Reference
Catalytic Thia-Sommelet-Hauser Rearrangement: Application to the Synthesis of Oxindoles
Li, Yuye; Shi, Yi; Huang, Zhong-Xing; Wu, Xin-Hu; Xu, Peng-Fei; et al, Organic Letters, 2011, 13(5), 1210-1213

Phenylsulfenyl Chloride Raw materials

Phenylsulfenyl Chloride Preparation Products

Additional information on Phenylsulfenyl Chloride

Recent Advances in the Application of Phenylsulfenyl Chloride (CAS: 931-59-9) in Chemical Biology and Pharmaceutical Research

Phenylsulfenyl chloride (CAS: 931-59-9) is a versatile sulfur-containing reagent that has garnered significant attention in recent years due to its unique reactivity and broad applicability in chemical biology and pharmaceutical research. This compound, characterized by the presence of a sulfenyl chloride functional group (-SCl) attached to a phenyl ring, serves as a key intermediate in the synthesis of various sulfur-containing compounds, including sulfides, sulfoxides, and sulfones. Its ability to participate in selective sulfurization reactions makes it particularly valuable for the modification of biomolecules and the development of novel therapeutic agents.

Recent studies have highlighted the role of phenylsulfenyl chloride in the site-specific modification of proteins and peptides. For instance, researchers have utilized this reagent to introduce thioether linkages into peptide backbones, enabling the stabilization of secondary structures and the enhancement of proteolytic resistance. Such modifications are critical for the development of peptide-based therapeutics, where stability and bioavailability are often limiting factors. Additionally, phenylsulfenyl chloride has been employed in the synthesis of sulfenamide derivatives, which exhibit promising biological activities, including antimicrobial and anticancer properties.

In the context of drug discovery, phenylsulfenyl chloride has been instrumental in the construction of sulfur-containing heterocycles, a class of compounds that are well-represented in FDA-approved drugs. Recent work has demonstrated its utility in the synthesis of benzothiazoles and thiazolidinones, scaffolds that are frequently encountered in antimicrobial, anti-inflammatory, and antitumor agents. The reagent's ability to facilitate the formation of carbon-sulfur bonds under mild conditions has made it a preferred choice for medicinal chemists seeking to diversify their compound libraries.

Beyond its applications in synthetic chemistry, phenylsulfenyl chloride has also found use in chemical biology as a tool for studying redox processes. Sulfenylation, the covalent modification of cysteine residues by sulfenyl chloride, is a post-translational modification that plays a crucial role in cellular signaling and oxidative stress responses. Researchers have developed probes based on phenylsulfenyl chloride to detect and quantify protein sulfenylation in live cells, providing insights into the dynamics of redox regulation. These tools have been particularly valuable in the study of diseases associated with oxidative stress, such as neurodegenerative disorders and cancer.

Despite its utility, the handling of phenylsulfenyl chloride requires careful consideration due to its reactivity and potential toxicity. Recent advancements in reagent stabilization and delivery systems have addressed some of these challenges, enabling safer and more efficient use in laboratory settings. For example, the development of polymer-supported phenylsulfenyl chloride reagents has reduced the risks associated with handling the free compound while maintaining its reactivity. Such innovations are expected to further expand the applications of this reagent in both academic and industrial research.

In conclusion, phenylsulfenyl chloride (CAS: 931-59-9) continues to be a valuable tool in chemical biology and pharmaceutical research, with recent studies underscoring its versatility and potential for innovation. Its applications span from the synthesis of bioactive compounds to the study of cellular redox processes, making it a reagent of choice for researchers in these fields. As new methodologies for its use emerge, phenylsulfenyl chloride is poised to play an even greater role in advancing our understanding of sulfur chemistry and its implications for drug discovery and development.

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