1283083-17-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1283083-17-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,8,3,0,8 and 3 respectively; the second part has 2 digits, 1 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 1283083-17:
(9*1)+(8*2)+(7*8)+(6*3)+(5*0)+(4*8)+(3*3)+(2*1)+(1*7)=149
149 % 10 = 9
So 1283083-17-9 is a valid CAS Registry Number.
1283083-17-9Relevant academic research and scientific papers
1,2-Sulfone rearrangement in organocatalytic reactions
Quintard, Adrien,Alexakis, Alexandre
scheme or table, p. 1407 - 1418 (2011/04/18)
The 1,2-sulfone rearrangement resulting from nucleophilic addition to bis activated vinyl-sulfones has been studied in more detail. Various nucleophiles activated by different types of catalysts (enamine, Broensted base, thiourea) are able to promote such