474923-49-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 474923-49-4 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, 4 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 474923-49:
(8*4)+(7*7)+(6*4)+(5*9)+(4*2)+(3*3)+(2*4)+(1*9)=184
184 % 10 = 4
So 474923-49-4 is a valid CAS Registry Number.