CAS 1623-05-8

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Name:
4-(Methylsulfonyl)phenyl isocyanate
(also known as p-(Methylsulfonyl)phenyl isocyanate)

CAS Number:
1623-05-8

Molecular Formula:
C8H7NO3S

Molecular Weight:
197.21 g/mol

Physical Form:
Typically a pale yellow to colorless liquid. Moisture-sensitive and should be stored under dry, inert conditions. Has a pungent and reactive isocyanate functional group.

Applications:

  • Used as an intermediate in organic synthesis

  • Applied in the manufacture of pharmaceuticals and fine chemicals

  • Reacts readily with amines, alcohols, and other nucleophiles

  • Used in the preparation of sulfonyl-substituted ureas, carbamates, and related derivatives

  • Can serve as a building block for specialty polymers and functional materials