890839-05-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 890839-05-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,9,0,8,3 and 9 respectively; the second part has 2 digits, 0 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 890839-05:
(8*8)+(7*9)+(6*0)+(5*8)+(4*3)+(3*9)+(2*0)+(1*5)=211
211 % 10 = 1
So 890839-05-1 is a valid CAS Registry Number.