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2-CYANO-5-METHYLBENZENESULFONYL CHLORIDE, commonly known as Tosyl chloride, is a chemical compound that serves as a crucial reagent in organic synthesis. It is recognized for its strong, acrid odor and high corrosiveness, which necessitates careful handling with appropriate safety measures. Tosyl chloride is distinguished by its ability to react with a variety of nucleophiles, making it a versatile component in the synthesis of numerous chemical compounds. Its reactivity and broad applications have established it as an essential building block in the production of pharmaceuticals, dyes, and agrochemicals.

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  • 197960-31-9 Structure
  • Basic information

    1. Product Name: 2-CYANO-5-METHYLBENZENESULFONYL CHLORIDE
    2. Synonyms: 2-CYANO-5-METHYLBENZENESULFONYL CHLORIDE;2-cyano-5-methylbenzenesulphonyl chloride;Benzenesulfonyl chloride, 2-cyano-5-methyl- (9CI);2-(Chlorosulphonyl)-4-methylbenzonitrile, 3-(Chlorosulphonyl)-4-cyanotoluene
    3. CAS NO:197960-31-9
    4. Molecular Formula: C8H6ClNO2S
    5. Molecular Weight: 215.66
    6. EINECS: N/A
    7. Product Categories: SULFONYLHALIDE
    8. Mol File: 197960-31-9.mol
  • Chemical Properties

    1. Melting Point: 71 °C
    2. Boiling Point: 382°Cat760mmHg
    3. Flash Point: 184.9°C
    4. Appearance: /
    5. Density: 1.46g/cm3
    6. Vapor Pressure: 4.86E-06mmHg at 25°C
    7. Refractive Index: 1.587
    8. Storage Temp.: N/A
    9. Solubility: N/A
    10. CAS DataBase Reference: 2-CYANO-5-METHYLBENZENESULFONYL CHLORIDE(CAS DataBase Reference)
    11. NIST Chemistry Reference: 2-CYANO-5-METHYLBENZENESULFONYL CHLORIDE(197960-31-9)
    12. EPA Substance Registry System: 2-CYANO-5-METHYLBENZENESULFONYL CHLORIDE(197960-31-9)
  • Safety Data

    1. Hazard Codes:  C:Corrosive;
    2. Statements: R20/21/22:Harmful by inhalation, in contact with skin and if swallowed.; R34:Causes burns.;
    3. Safety Statements: S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.; S36/37/39:Wear suitabl
    4. WGK Germany:
    5. RTECS:
    6. HazardClass: N/A
    7. PackingGroup: N/A
    8. Hazardous Substances Data: 197960-31-9(Hazardous Substances Data)

197960-31-9 Usage

Uses

Used in Pharmaceutical Industry:
2-CYANO-5-METHYLBENZENESULFONYL CHLORIDE is used as a key intermediate for the synthesis of various pharmaceuticals due to its ability to facilitate the formation of new chemical entities that possess therapeutic properties.
Used in Dye Industry:
In the dye industry, 2-CYANO-5-METHYLBENZENESULFONYL CHLORIDE is utilized as a building block for the creation of dyes, contributing to the development of colorants with specific characteristics required for various applications.
Used in Agrochemical Industry:
2-CYANO-5-METHYLBENZENESULFONYL CHLORIDE is employed as a precursor in the production of agrochemicals, playing a role in the synthesis of compounds that are used to protect crops and enhance agricultural productivity.
Used in Organic Synthesis:
2-CYANO-5-METHYLBENZENESULFONYL CHLORIDE is used as a reagent in organic synthesis for its capacity to react with nucleophiles, enabling the formation of a wide range of chemical compounds that are valuable in research and commercial applications.

Check Digit Verification of cas no

The CAS Registry Mumber 197960-31-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,9,7,9,6 and 0 respectively; the second part has 2 digits, 3 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 197960-31:
(8*1)+(7*9)+(6*7)+(5*9)+(4*6)+(3*0)+(2*3)+(1*1)=189
189 % 10 = 9
So 197960-31-9 is a valid CAS Registry Number.
InChI:InChI=1/C8H6ClNO2S/c1-6-2-3-7(5-10)8(4-6)13(9,11)12/h2-4H,1H3

197960-31-9SDS

SAFETY DATA SHEETS

According to Globally Harmonized System of Classification and Labelling of Chemicals (GHS) - Sixth revised edition

Version: 1.0

Creation Date: Aug 16, 2017

Revision Date: Aug 16, 2017

1.Identification

1.1 GHS Product identifier

Product name 2-CYANO-5-METHYLBENZENESULFONYL CHLORIDE

1.2 Other means of identification

Product number -
Other names 3-(Chlorosulphonyl)-4-cyanotoluene

1.3 Recommended use of the chemical and restrictions on use

Identified uses For industry use only.
Uses advised against no data available

1.4 Supplier's details

1.5 Emergency phone number

Emergency phone number -
Service hours Monday to Friday, 9am-5pm (Standard time zone: UTC/GMT +8 hours).

More Details:197960-31-9 SDS

197960-31-9Upstream product

197960-31-9Relevant articles and documents

AMIDINOHYDRAZONES AS PROTEASE INHIBITORS

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Page/Page column 46, (2010/11/23)

Amidino and benzamidino compounds, including compounds of the formula: I wherein R1-R4, R6-R9, Y, Z, n and m are set forth in the specification, as well as hydrates, solvates or pharmaceutically acceptable salts thereof, that inhibit proteolytic enzymes such as thrombin are described. Also described are methods for preparing the compounds of Formula I.

AMIDINOHYDRAZONES AS PROTEASE INHIBITORS

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, (2008/06/13)

Amidino and benzamidino compounds, including compounds of the formula: STR1 wherein R 1-R 4, R 6-R 9, Y, Z, n and m are set forth in the specification, as well as hydrates, solvates or pharmaceutically acceptable salts thereof, that inhibit proteolytic enzymes such as thrombin are described. Also described are methods for preparing the compounds of Formula I.

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