54632-66-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 54632-66-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,4,6,3 and 2 respectively; the second part has 2 digits, 6 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 54632-66:
(7*5)+(6*4)+(5*6)+(4*3)+(3*2)+(2*6)+(1*6)=125
125 % 10 = 5
So 54632-66-5 is a valid CAS Registry Number.