502186-21-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 502186-21-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 5,0,2,1,8 and 6 respectively; the second part has 2 digits, 2 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 502186-21:
(8*5)+(7*0)+(6*2)+(5*1)+(4*8)+(3*6)+(2*2)+(1*1)=112
112 % 10 = 2
So 502186-21-2 is a valid CAS Registry Number.