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CAS 77421-13-7

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(2-Chlorophenyl)methanesulfonyl chloride

Description:
(2-Chlorophenyl)methanesulfonyl chloride, with the CAS number 77421-13-7, is an organic compound characterized by the presence of a chlorophenyl group attached to a methanesulfonyl chloride moiety. This compound typically appears as a colorless to pale yellow liquid and is known for its reactivity, particularly as a sulfonylating agent in organic synthesis. It features a sulfonyl chloride functional group, which makes it a potent electrophile, allowing it to participate in nucleophilic substitution reactions. The presence of the chlorine atom on the phenyl ring can influence its reactivity and solubility properties. This compound is often utilized in the synthesis of various pharmaceuticals and agrochemicals, as well as in the preparation of sulfonamide derivatives. Due to its reactive nature, it must be handled with care, as it can be corrosive and may cause irritation to the skin and respiratory system. Proper safety precautions, including the use of personal protective equipment, are essential when working with this substance.
Formula:C7H6Cl2O2S
InChI:InChI=1/C7H6Cl2O2S/c8-7-4-2-1-3-6(7)5-12(9,10)11/h1-4H,5H2
SMILES:c1ccc(c(c1)CS(=O)(=O)Cl)Cl
Synonyms:
  • Benzenemethanesulfonyl chloride, 2-chloro-
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