50664-66-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 50664-66-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,0,6,6 and 4 respectively; the second part has 2 digits, 6 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 50664-66:
(7*5)+(6*0)+(5*6)+(4*6)+(3*4)+(2*6)+(1*6)=119
119 % 10 = 9
So 50664-66-9 is a valid CAS Registry Number.