78430-39-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 78430-39-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,8,4,3 and 0 respectively; the second part has 2 digits, 3 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 78430-39:
(7*7)+(6*8)+(5*4)+(4*3)+(3*0)+(2*3)+(1*9)=144
144 % 10 = 4
So 78430-39-4 is a valid CAS Registry Number.