201031-22-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 201031-22-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,0,1,0,3 and 1 respectively; the second part has 2 digits, 2 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 201031-22:
(8*2)+(7*0)+(6*1)+(5*0)+(4*3)+(3*1)+(2*2)+(1*2)=43
43 % 10 = 3
So 201031-22-3 is a valid CAS Registry Number.