138111-88-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 138111-88-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,8,1,1 and 1 respectively; the second part has 2 digits, 8 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 138111-88:
(8*1)+(7*3)+(6*8)+(5*1)+(4*1)+(3*1)+(2*8)+(1*8)=113
113 % 10 = 3
So 138111-88-3 is a valid CAS Registry Number.