135979-21-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 135979-21-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,5,9,7 and 9 respectively; the second part has 2 digits, 2 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 135979-21:
(8*1)+(7*3)+(6*5)+(5*9)+(4*7)+(3*9)+(2*2)+(1*1)=164
164 % 10 = 4
So 135979-21-4 is a valid CAS Registry Number.
135979-21-4Relevant articles and documents
THE FREE RADICAL CYCLIZATION REACTION OF 1,6-DIENES WITH ALLYLSULFONES
Chuang, Che-Ping
, p. 5425 - 5436 (2007/10/02)
A sulfonyl radical induced addition-cyclization reaction of 1,6-dienes with allylsulfones giving functionalized cyclopentane systems is described.Key words: free radical reaction; allylsulfone; 1,6-dienes; sulfonyl radical.