201813-16-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 201813-16-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,0,1,8,1 and 3 respectively; the second part has 2 digits, 1 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 201813-16:
(8*2)+(7*0)+(6*1)+(5*8)+(4*1)+(3*3)+(2*1)+(1*6)=83
83 % 10 = 3
So 201813-16-3 is a valid CAS Registry Number.