20445-76-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 20445-76-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,0,4,4 and 5 respectively; the second part has 2 digits, 7 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 20445-76:
(7*2)+(6*0)+(5*4)+(4*4)+(3*5)+(2*7)+(1*6)=85
85 % 10 = 5
So 20445-76-5 is a valid CAS Registry Number.