129083-68-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 129083-68-7 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, 6 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 129083-68:
(8*1)+(7*2)+(6*9)+(5*0)+(4*8)+(3*3)+(2*6)+(1*8)=137
137 % 10 = 7
So 129083-68-7 is a valid CAS Registry Number.
129083-68-7Relevant articles and documents
A new synthesis of α-β-unsaturated ketones
Le Roux,Le Corre
, p. 2591 - 2594 (2007/10/02)
α,β-unsaturated ketones have been obtained by thermolysis of δ-hydroxy β-keto triphenylphosphoranes prepared from the corresponding β-keto phosphoranes.