200959-66-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 200959-66-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,0,0,9,5 and 9 respectively; the second part has 2 digits, 6 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 200959-66:
(8*2)+(7*0)+(6*0)+(5*9)+(4*5)+(3*9)+(2*6)+(1*6)=126
126 % 10 = 6
So 200959-66-6 is a valid CAS Registry Number.