471909-97-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 471909-97-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,7,1,9,0 and 9 respectively; the second part has 2 digits, 9 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 471909-97:
(8*4)+(7*7)+(6*1)+(5*9)+(4*0)+(3*9)+(2*9)+(1*7)=184
184 % 10 = 4
So 471909-97-4 is a valid CAS Registry Number.