206996-05-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 206996-05-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,0,6,9,9 and 6 respectively; the second part has 2 digits, 0 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 206996-05:
(8*2)+(7*0)+(6*6)+(5*9)+(4*9)+(3*6)+(2*0)+(1*5)=156
156 % 10 = 6
So 206996-05-6 is a valid CAS Registry Number.