889994-66-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 889994-66-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,8,9,9,9 and 4 respectively; the second part has 2 digits, 6 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 889994-66:
(8*8)+(7*8)+(6*9)+(5*9)+(4*9)+(3*4)+(2*6)+(1*6)=285
285 % 10 = 5
So 889994-66-5 is a valid CAS Registry Number.