500689-99-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 500689-99-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 5,0,0,6,8 and 9 respectively; the second part has 2 digits, 9 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 500689-99:
(8*5)+(7*0)+(6*0)+(5*6)+(4*8)+(3*9)+(2*9)+(1*9)=156
156 % 10 = 6
So 500689-99-6 is a valid CAS Registry Number.