138702-83-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 138702-83-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,8,7,0 and 2 respectively; the second part has 2 digits, 8 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 138702-83:
(8*1)+(7*3)+(6*8)+(5*7)+(4*0)+(3*2)+(2*8)+(1*3)=137
137 % 10 = 7
So 138702-83-7 is a valid CAS Registry Number.
138702-83-7Relevant academic research and scientific papers
Wolff-Kugel,Halazy
, p. 6341 - 6344 (1991)
Three new carbocyclic phosphonate derivatives of adenine 3a, 3b and 3c has been prepared by "purinoselenenylation" from functionalized cyclopentenyl derivatives.
