204974-47-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 204974-47-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,0,4,9,7 and 4 respectively; the second part has 2 digits, 4 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 204974-47:
(8*2)+(7*0)+(6*4)+(5*9)+(4*7)+(3*4)+(2*4)+(1*7)=140
140 % 10 = 0
So 204974-47-0 is a valid CAS Registry Number.