208938-50-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 208938-50-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,0,8,9,3 and 8 respectively; the second part has 2 digits, 5 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 208938-50:
(8*2)+(7*0)+(6*8)+(5*9)+(4*3)+(3*8)+(2*5)+(1*0)=155
155 % 10 = 5
So 208938-50-5 is a valid CAS Registry Number.