500218-98-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 500218-98-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 5,0,0,2,1 and 8 respectively; the second part has 2 digits, 9 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 500218-98:
(8*5)+(7*0)+(6*0)+(5*2)+(4*1)+(3*8)+(2*9)+(1*8)=104
104 % 10 = 4
So 500218-98-4 is a valid CAS Registry Number.