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CAS 21900-24-3

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4-Chloro-3-methylbenzoyl chloride

Description:
4-Chloro-3-methylbenzoyl chloride, with the CAS number 21900-24-3, is an organic compound characterized by its aromatic structure, which includes a benzoyl chloride functional group. It features a chlorine atom and a methyl group positioned on the benzene ring, specifically at the 4 and 3 positions, respectively. This compound is typically a colorless to pale yellow liquid and is known for its reactivity, particularly due to the presence of the acyl chloride functional group, which makes it a potent electrophile. It is commonly used in organic synthesis, particularly in the preparation of various pharmaceuticals, agrochemicals, and other fine chemicals. The compound is sensitive to moisture and can hydrolyze to form hydrochloric acid and the corresponding carboxylic acid. Proper handling and storage under an inert atmosphere are essential to maintain its stability and prevent degradation. Safety precautions should be taken, as it can be corrosive and irritating to the skin and respiratory system.
Formula:C8H6Cl2O
InChI:InChI=1S/C8H6Cl2O/c1-5-4-6(8(10)11)2-3-7(5)9/h2-4H,1H3
InChI key:InChIKey=NECBSSKNQDXVKN-UHFFFAOYSA-N
SMILES:C(Cl)(=O)C1=CC(C)=C(Cl)C=C1
Synonyms:
  • m-Toluoyl chloride, 4-chloro-
  • Benzoyl chloride, 4-chloro-3-methyl-
  • 3-Methyl-4-chlorobenzoyl chloride
  • 4-Chloro-3-methylbenzoyl chloride
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