42797-79-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 42797-79-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 4,2,7,9 and 7 respectively; the second part has 2 digits, 7 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 42797-79:
(7*4)+(6*2)+(5*7)+(4*9)+(3*7)+(2*7)+(1*9)=155
155 % 10 = 5
So 42797-79-5 is a valid CAS Registry Number.
42797-79-5Relevant articles and documents
AN EFFICIENT ASYMMETRIC SPIROANNULATION PROCESS
Angelo, Jean d',Ferroud, Clotilde
, p. 6511 - 6514 (2007/10/02)
After hydrolytic work-up, intramolecular Michael-type alkylation of imine 11 gave spiro adduct 13 with a high degree of control of the two newly created asymmetric centers.