502170-85-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 502170-85-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 5,0,2,1,7 and 0 respectively; the second part has 2 digits, 8 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 502170-85:
(8*5)+(7*0)+(6*2)+(5*1)+(4*7)+(3*0)+(2*8)+(1*5)=106
106 % 10 = 6
So 502170-85-6 is a valid CAS Registry Number.