889997-24-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 889997-24-4 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 7 respectively; the second part has 2 digits, 2 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 889997-24:
(8*8)+(7*8)+(6*9)+(5*9)+(4*9)+(3*7)+(2*2)+(1*4)=284
284 % 10 = 4
So 889997-24-4 is a valid CAS Registry Number.