203304-41-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 203304-41-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,0,3,3,0 and 4 respectively; the second part has 2 digits, 4 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 203304-41:
(8*2)+(7*0)+(6*3)+(5*3)+(4*0)+(3*4)+(2*4)+(1*1)=70
70 % 10 = 0
So 203304-41-0 is a valid CAS Registry Number.