202829-12-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 202829-12-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,0,2,8,2 and 9 respectively; the second part has 2 digits, 1 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 202829-12:
(8*2)+(7*0)+(6*2)+(5*8)+(4*2)+(3*9)+(2*1)+(1*2)=107
107 % 10 = 7
So 202829-12-7 is a valid CAS Registry Number.
202829-12-7Relevant articles and documents
Synthesis of 5-N-acetylardeemin seco-analogues
Sanchez, J. Domingo,Ramos, M. Teresa,Avendano, Carmen
, p. 969 - 980 (2007/10/03)
Piperazinediones derived from ethyl N-indolylmethyl- glicinate or L- alaninate and different α-amino esters were cyclized with anthranilic acid in two steps with retention of configuration of the stereocenters to afford compounds which are analogues of 5-
