128690-97-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 128690-97-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,8,6,9 and 0 respectively; the second part has 2 digits, 9 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 128690-97:
(8*1)+(7*2)+(6*8)+(5*6)+(4*9)+(3*0)+(2*9)+(1*7)=161
161 % 10 = 1
So 128690-97-1 is a valid CAS Registry Number.
128690-97-1Relevant academic research and scientific papers
Lamas,Garcia,Castedo,Dominguez
, p. 6927 - 6928 (1989)
A new synthesis of the title compounds is described, providing a route to key intermediates for the preparation of cularine alkaloids.
