506444-17-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 506444-17-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 5,0,6,4,4 and 4 respectively; the second part has 2 digits, 1 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 506444-17:
(8*5)+(7*0)+(6*6)+(5*4)+(4*4)+(3*4)+(2*1)+(1*7)=133
133 % 10 = 3
So 506444-17-3 is a valid CAS Registry Number.