99429-53-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 99429-53-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,9,4,2 and 9 respectively; the second part has 2 digits, 5 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 99429-53:
(7*9)+(6*9)+(5*4)+(4*2)+(3*9)+(2*5)+(1*3)=185
185 % 10 = 5
So 99429-53-5 is a valid CAS Registry Number.