4651-66-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 4651-66-5 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 4,6,5 and 1 respectively; the second part has 2 digits, 6 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 4651-66:
(6*4)+(5*6)+(4*5)+(3*1)+(2*6)+(1*6)=95
95 % 10 = 5
So 4651-66-5 is a valid CAS Registry Number.