63433-66-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 63433-66-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,3,4,3 and 3 respectively; the second part has 2 digits, 6 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 63433-66:
(7*6)+(6*3)+(5*4)+(4*3)+(3*3)+(2*6)+(1*6)=119
119 % 10 = 9
So 63433-66-9 is a valid CAS Registry Number.