63171-28-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 63171-28-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,3,1,7 and 1 respectively; the second part has 2 digits, 2 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 63171-28:
(7*6)+(6*3)+(5*1)+(4*7)+(3*1)+(2*2)+(1*8)=108
108 % 10 = 8
So 63171-28-8 is a valid CAS Registry Number.