87505-19-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 87505-19-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,7,5,0 and 5 respectively; the second part has 2 digits, 1 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 87505-19:
(7*8)+(6*7)+(5*5)+(4*0)+(3*5)+(2*1)+(1*9)=149
149 % 10 = 9
So 87505-19-9 is a valid CAS Registry Number.
87505-19-9Relevant articles and documents
VICARIOUS SUBSTITUTION OF HYDROGEN IN AROMATIC HETEROCYCLES WITH CARBANIONS OF CHLOROMETHYL SULFONYL COMPOUNDS
Makosza, M.,Golinski, J.,Rykowski, A.
, p. 3277 - 3278 (1983)
Carbanions of chloromethyl phenylsulfone and chloromethane sulfonmorpholide replace hydrogen in benzothiazole, acridine and variety of substituted 1,2,4-triazines giving corresponding sulfonyl methylderivatives.