208053-19-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 208053-19-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,0,8,0,5 and 3 respectively; the second part has 2 digits, 1 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 208053-19:
(8*2)+(7*0)+(6*8)+(5*0)+(4*5)+(3*3)+(2*1)+(1*9)=104
104 % 10 = 4
So 208053-19-4 is a valid CAS Registry Number.