890993-40-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 890993-40-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,9,0,9,9 and 3 respectively; the second part has 2 digits, 4 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 890993-40:
(8*8)+(7*9)+(6*0)+(5*9)+(4*9)+(3*3)+(2*4)+(1*0)=225
225 % 10 = 5
So 890993-40-5 is a valid CAS Registry Number.