30200-16-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 30200-16-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,0,2,0 and 0 respectively; the second part has 2 digits, 1 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 30200-16:
(7*3)+(6*0)+(5*2)+(4*0)+(3*0)+(2*1)+(1*6)=39
39 % 10 = 9
So 30200-16-9 is a valid CAS Registry Number.