206988-99-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 206988-99-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,0,6,9,8 and 8 respectively; the second part has 2 digits, 9 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 206988-99:
(8*2)+(7*0)+(6*6)+(5*9)+(4*8)+(3*8)+(2*9)+(1*9)=180
180 % 10 = 0
So 206988-99-0 is a valid CAS Registry Number.