206988-86-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 206988-86-5 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, 8 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 206988-86:
(8*2)+(7*0)+(6*6)+(5*9)+(4*8)+(3*8)+(2*8)+(1*6)=175
175 % 10 = 5
So 206988-86-5 is a valid CAS Registry Number.