259680-30-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 259680-30-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,5,9,6,8 and 0 respectively; the second part has 2 digits, 3 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 259680-30:
(8*2)+(7*5)+(6*9)+(5*6)+(4*8)+(3*0)+(2*3)+(1*0)=173
173 % 10 = 3
So 259680-30-3 is a valid CAS Registry Number.
259680-30-3Relevant articles and documents
Diarylbenzopyran derivatives as cyclooxygenase-2 inhibitors
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Page column 25, (2008/06/13)
The diarylbenzopyran derivatives represented by formula I, and the pharmaceutically acceptable salts thereof, are disclosed. The composition comprising the compound of formula I, or a pharmaceutically acceptable salt thereof, shows an excellent selective inhibition of cyclooxygenase-2.