139053-68-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 139053-68-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,9,0,5 and 3 respectively; the second part has 2 digits, 6 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 139053-68:
(8*1)+(7*3)+(6*9)+(5*0)+(4*5)+(3*3)+(2*6)+(1*8)=132
132 % 10 = 2
So 139053-68-2 is a valid CAS Registry Number.