64892-80-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 64892-80-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,4,8,9 and 2 respectively; the second part has 2 digits, 8 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 64892-80:
(7*6)+(6*4)+(5*8)+(4*9)+(3*2)+(2*8)+(1*0)=164
164 % 10 = 4
So 64892-80-4 is a valid CAS Registry Number.