113240-54-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 113240-54-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,3,2,4 and 0 respectively; the second part has 2 digits, 5 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 113240-54:
(8*1)+(7*1)+(6*3)+(5*2)+(4*4)+(3*0)+(2*5)+(1*4)=73
73 % 10 = 3
So 113240-54-3 is a valid CAS Registry Number.
113240-54-3Relevant articles and documents
Synthesis of homochiral tetrahydropteridines
Baker, Stephen J.,Beresford, Kenneth J.M.,Young, Douglas W.
, p. 7221 - 7228 (2014)
A synthesis of protected homochiral tetrahydropteridines from (2S)-malic acid has been developed. This presents methodology for the synthesis of reduced pteridine coenzymes and pharmaceuticals.