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157259-31-9

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157259-31-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 157259-31-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,7,2,5 and 9 respectively; the second part has 2 digits, 3 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 157259-31:
(8*1)+(7*5)+(6*7)+(5*2)+(4*5)+(3*9)+(2*3)+(1*1)=149
149 % 10 = 9
So 157259-31-9 is a valid CAS Registry Number.

157259-31-9Relevant articles and documents

Synthesis and biological activity of arthrographol and related compounds

Miyake, Muneharu,Hanaoka, Yoshiaki,Fujimoto, Yasuo,Sato, Yoshio,Taketomo, Naoki,Yokota, Itsuro,Yoshiyama, Yoshihiro

, p. 665 - 674 (2007/10/03)

(±)- Arthrographol (1a) and related compounds were synthesized and their inhibitory activities against 5-lipoxygenase were investigated. The l'(Z)-isomer (1b) of arthrographol was found to be three times active than arthrographol itself.

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