13982-09-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 13982-09-7 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 2 respectively; the second part has 2 digits, 0 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 13982-09:
(7*1)+(6*3)+(5*9)+(4*8)+(3*2)+(2*0)+(1*9)=117
117 % 10 = 7
So 13982-09-7 is a valid CAS Registry Number.