206-18-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 206-18-8 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 2,0 and 6 respectively; the second part has 2 digits, 1 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 206-18:
(5*2)+(4*0)+(3*6)+(2*1)+(1*8)=38
38 % 10 = 8
So 206-18-8 is a valid CAS Registry Number.