128534-66-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 128534-66-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,8,5,3 and 4 respectively; the second part has 2 digits, 6 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 128534-66:
(8*1)+(7*2)+(6*8)+(5*5)+(4*3)+(3*4)+(2*6)+(1*6)=137
137 % 10 = 7
So 128534-66-7 is a valid CAS Registry Number.
128534-66-7Relevant academic research and scientific papers
Reactions de Diels-Alder du (R)S-ethynyl p-tolylsulfoxyde
Maignan, Christian,Belkasmioui, Fatima
, p. 695 - 698 (2007/10/02)
Diels-Alder reactions of (R)S-ethynyl p-tolylsulfoxide 1 with some representative dienes have been studied.Smooth reaction of 1 with butadiene, 2-methylbutadiene and 2,3-dimethylbutadiene affords new dienic chiral sulfoxides in high yield.Asymm
