13686-52-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 13686-52-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,3,6,8 and 6 respectively; the second part has 2 digits, 5 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 13686-52:
(7*1)+(6*3)+(5*6)+(4*8)+(3*6)+(2*5)+(1*2)=117
117 % 10 = 7
So 13686-52-7 is a valid CAS Registry Number.