13988-72-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 13988-72-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,3,9,8 and 8 respectively; the second part has 2 digits, 7 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 13988-72:
(7*1)+(6*3)+(5*9)+(4*8)+(3*8)+(2*7)+(1*2)=142
142 % 10 = 2
So 13988-72-2 is a valid CAS Registry Number.