88097-20-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 88097-20-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,8,0,9 and 7 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 88097-20:
(7*8)+(6*8)+(5*0)+(4*9)+(3*7)+(2*2)+(1*0)=165
165 % 10 = 5
So 88097-20-5 is a valid CAS Registry Number.
88097-20-5Relevant articles and documents
Some Heterocyclic Sulfonyl Derivatives
Cremlyn, Richard J.,Swinbourne, Frederick J.,Shode, Olufemi
, p. 1211 - 1214 (2007/10/02)
2,3-Diphenylpyrazine, 3,4-diphenylfurazan and 2-methyl-4,5-diphenyl oxazole react with chlorosulfonic acid to give the sulfonyl chlorides Ia, IIa, IIIa.The chlorides were condensed with nucleophiles to give thirteen derivatives. 4',4''-bis-Dimethylsulfamo