67565-89-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 67565-89-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,7,5,6 and 5 respectively; the second part has 2 digits, 8 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 67565-89:
(7*6)+(6*7)+(5*5)+(4*6)+(3*5)+(2*8)+(1*9)=173
173 % 10 = 3
So 67565-89-3 is a valid CAS Registry Number.