130649-73-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 130649-73-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,0,6,4 and 9 respectively; the second part has 2 digits, 7 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 130649-73:
(8*1)+(7*3)+(6*0)+(5*6)+(4*4)+(3*9)+(2*7)+(1*3)=119
119 % 10 = 9
So 130649-73-9 is a valid CAS Registry Number.
130649-73-9Relevant articles and documents
A novel 1,5-rearrangement of a sulfonyl group in a 1-sulfenylated 2,4-alkadiene
Ogura, Katsuyuki,Yahata, Nobuhiro,Fujimori, Taketoshi,Fujita, Makoto
, p. 4621 - 4624 (2007/10/02)
1-Substituted 1-methylthio-2,4-pentadien-1-yl sulfones (4) smoothly underwent a 1,5-rearrangement of a sulfonyl group by the action of silica gel. Its application to a new synthesis of conjugated dienones is also described.
