63402-03-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 63402-03-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,3,4,0 and 2 respectively; the second part has 2 digits, 0 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 63402-03:
(7*6)+(6*3)+(5*4)+(4*0)+(3*2)+(2*0)+(1*3)=89
89 % 10 = 9
So 63402-03-9 is a valid CAS Registry Number.