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 p-Toluenesulfonyl isocyanate 

Product Name: p-Toluenesulfonyl isocyanate
Synonyms: PTSI; Tosyl isocyanate; 4-methylbenzenesulfonyl isocyanate; p-Methylphenylsulfonyl lsocyanate; 4-Toluenesulfonyl isocyanate
CAS RN.: 4083-64-1
EINECS: 223-810-8
Molecular Weight: 197.2111
Molecular Formula: C8H7NO3S