57204-47-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 57204-47-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,7,2,0 and 4 respectively; the second part has 2 digits, 4 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 57204-47:
(7*5)+(6*7)+(5*2)+(4*0)+(3*4)+(2*4)+(1*7)=114
114 % 10 = 4
So 57204-47-4 is a valid CAS Registry Number.