7429-05-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 7429-05-2 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 7,4,2 and 9 respectively; the second part has 2 digits, 0 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 7429-05:
(6*7)+(5*4)+(4*2)+(3*9)+(2*0)+(1*5)=102
102 % 10 = 2
So 7429-05-2 is a valid CAS Registry Number.