508171-16-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 508171-16-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 5,0,8,1,7 and 1 respectively; the second part has 2 digits, 1 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 508171-16:
(8*5)+(7*0)+(6*8)+(5*1)+(4*7)+(3*1)+(2*1)+(1*6)=132
132 % 10 = 2
So 508171-16-2 is a valid CAS Registry Number.