1318172-13-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1318172-13-2 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,1,8,1,7 and 2 respectively; the second part has 2 digits, 1 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 1318172-13:
(9*1)+(8*3)+(7*1)+(6*8)+(5*1)+(4*7)+(3*2)+(2*1)+(1*3)=132
132 % 10 = 2
So 1318172-13-2 is a valid CAS Registry Number.