7434-30-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 7434-30-2 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 7,4,3 and 4 respectively; the second part has 2 digits, 3 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 7434-30:
(6*7)+(5*4)+(4*3)+(3*4)+(2*3)+(1*0)=92
92 % 10 = 2
So 7434-30-2 is a valid CAS Registry Number.