129083-26-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 129083-26-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,9,0,8 and 3 respectively; the second part has 2 digits, 2 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 129083-26:
(8*1)+(7*2)+(6*9)+(5*0)+(4*8)+(3*3)+(2*2)+(1*6)=127
127 % 10 = 7
So 129083-26-7 is a valid CAS Registry Number.
129083-26-7Relevant articles and documents
Facile synthesis of E-γ-hydroxy-α,β-unsaturated sulfones from aldehydes
Dominguez,Carretero
, p. 2487 - 2490 (1990)
Reaction of enolizable aldehydes with p-tolylsulfinylmethyl phenyl sulfone (1), in the presence of piperidine in acetonitrile at 0°C, gave selectively E-γ-hydroxy-α,β-unsaturated phenyl sulfones in good yields.