200403-70-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 200403-70-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,0,0,4,0 and 3 respectively; the second part has 2 digits, 7 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 200403-70:
(8*2)+(7*0)+(6*0)+(5*4)+(4*0)+(3*3)+(2*7)+(1*0)=59
59 % 10 = 9
So 200403-70-9 is a valid CAS Registry Number.