103897-18-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 103897-18-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,3,8,9 and 7 respectively; the second part has 2 digits, 1 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 103897-18:
(8*1)+(7*0)+(6*3)+(5*8)+(4*9)+(3*7)+(2*1)+(1*8)=133
133 % 10 = 3
So 103897-18-3 is a valid CAS Registry Number.