603305-64-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 603305-64-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,0,3,3,0 and 5 respectively; the second part has 2 digits, 6 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 603305-64:
(8*6)+(7*0)+(6*3)+(5*3)+(4*0)+(3*5)+(2*6)+(1*4)=112
112 % 10 = 2
So 603305-64-2 is a valid CAS Registry Number.