63452-91-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 63452-91-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,3,4,5 and 2 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 63452-91:
(7*6)+(6*3)+(5*4)+(4*5)+(3*2)+(2*9)+(1*1)=125
125 % 10 = 5
So 63452-91-5 is a valid CAS Registry Number.