113999-68-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 113999-68-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,3,9,9 and 9 respectively; the second part has 2 digits, 6 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 113999-68:
(8*1)+(7*1)+(6*3)+(5*9)+(4*9)+(3*9)+(2*6)+(1*8)=161
161 % 10 = 1
So 113999-68-1 is a valid CAS Registry Number.