55171-78-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 55171-78-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,5,1,7 and 1 respectively; the second part has 2 digits, 7 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 55171-78:
(7*5)+(6*5)+(5*1)+(4*7)+(3*1)+(2*7)+(1*8)=123
123 % 10 = 3
So 55171-78-3 is a valid CAS Registry Number.