63305-89-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 63305-89-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,3,3,0 and 5 respectively; the second part has 2 digits, 8 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 63305-89:
(7*6)+(6*3)+(5*3)+(4*0)+(3*5)+(2*8)+(1*9)=115
115 % 10 = 5
So 63305-89-5 is a valid CAS Registry Number.