203194-63-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 203194-63-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,0,3,1,9 and 4 respectively; the second part has 2 digits, 6 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 203194-63:
(8*2)+(7*0)+(6*3)+(5*1)+(4*9)+(3*4)+(2*6)+(1*3)=102
102 % 10 = 2
So 203194-63-2 is a valid CAS Registry Number.