139416-20-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 139416-20-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,9,4,1 and 6 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 139416-20:
(8*1)+(7*3)+(6*9)+(5*4)+(4*1)+(3*6)+(2*2)+(1*0)=129
129 % 10 = 9
So 139416-20-9 is a valid CAS Registry Number.
InChI:InChI=1/C14H28N2O2/c1-9(2)10(15-11(17)13(3,4)5)16-12(18)14(6,7)8/h9-10H,1-8H3,(H,15,17)(H,16,18)