854045-68-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 854045-68-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,5,4,0,4 and 5 respectively; the second part has 2 digits, 6 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 854045-68:
(8*8)+(7*5)+(6*4)+(5*0)+(4*4)+(3*5)+(2*6)+(1*8)=174
174 % 10 = 4
So 854045-68-4 is a valid CAS Registry Number.