104273-11-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 104273-11-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,4,2,7 and 3 respectively; the second part has 2 digits, 1 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 104273-11:
(8*1)+(7*0)+(6*4)+(5*2)+(4*7)+(3*3)+(2*1)+(1*1)=82
82 % 10 = 2
So 104273-11-2 is a valid CAS Registry Number.
104273-11-2Relevant 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