200342-35-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 200342-35-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,0,0,3,4 and 2 respectively; the second part has 2 digits, 3 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 200342-35:
(8*2)+(7*0)+(6*0)+(5*3)+(4*4)+(3*2)+(2*3)+(1*5)=64
64 % 10 = 4
So 200342-35-4 is a valid CAS Registry Number.