1309688-17-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1309688-17-2 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,0,9,6,8 and 8 respectively; the second part has 2 digits, 1 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 1309688-17:
(9*1)+(8*3)+(7*0)+(6*9)+(5*6)+(4*8)+(3*8)+(2*1)+(1*7)=182
182 % 10 = 2
So 1309688-17-2 is a valid CAS Registry Number.