806659-83-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 806659-83-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,0,6,6,5 and 9 respectively; the second part has 2 digits, 8 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 806659-83:
(8*8)+(7*0)+(6*6)+(5*6)+(4*5)+(3*9)+(2*8)+(1*3)=196
196 % 10 = 6
So 806659-83-6 is a valid CAS Registry Number.