474923-31-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 474923-31-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,7,4,9,2 and 3 respectively; the second part has 2 digits, 3 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 474923-31:
(8*4)+(7*7)+(6*4)+(5*9)+(4*2)+(3*3)+(2*3)+(1*1)=174
174 % 10 = 4
So 474923-31-4 is a valid CAS Registry Number.