208399-75-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 208399-75-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,0,8,3,9 and 9 respectively; the second part has 2 digits, 7 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 208399-75:
(8*2)+(7*0)+(6*8)+(5*3)+(4*9)+(3*9)+(2*7)+(1*5)=161
161 % 10 = 1
So 208399-75-1 is a valid CAS Registry Number.