430458-16-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 430458-16-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,3,0,4,5 and 8 respectively; the second part has 2 digits, 1 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 430458-16:
(8*4)+(7*3)+(6*0)+(5*4)+(4*5)+(3*8)+(2*1)+(1*6)=125
125 % 10 = 5
So 430458-16-5 is a valid CAS Registry Number.