1313233-68-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1313233-68-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,1,3,2,3 and 3 respectively; the second part has 2 digits, 6 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 1313233-68:
(9*1)+(8*3)+(7*1)+(6*3)+(5*2)+(4*3)+(3*3)+(2*6)+(1*8)=109
109 % 10 = 9
So 1313233-68-9 is a valid CAS Registry Number.