204013-73-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 204013-73-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,0,4,0,1 and 3 respectively; the second part has 2 digits, 7 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 204013-73:
(8*2)+(7*0)+(6*4)+(5*0)+(4*1)+(3*3)+(2*7)+(1*3)=70
70 % 10 = 0
So 204013-73-0 is a valid CAS Registry Number.