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234447-80-4

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234447-80-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 234447-80-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,3,4,4,4 and 7 respectively; the second part has 2 digits, 8 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 234447-80:
(8*2)+(7*3)+(6*4)+(5*4)+(4*4)+(3*7)+(2*8)+(1*0)=134
134 % 10 = 4
So 234447-80-4 is a valid CAS Registry Number.

234447-80-4Relevant articles and documents

Design and synthesis of orally bioavailable inhibitors of inducible nitric oxide synthase. Identification of 2-azabicyclo[4.1.0]heptan-3-imines

Kawanaka, Yasufumi,Kobayashi, Kaoru,Kusuda, Shinya,Tatsumi, Tadashi,Murota, Masayuki,Nishiyama, Toshihiko,Hisaichi, Katsuya,Fujii, Atsuko,Hirai, Keisuke,Naka, Masao,Komeno, Masaharu,Odagaki, Yshihiko,Nakai, Hisao,Toda, Masaaki

, p. 1723 - 1743 (2003)

Further chemical modification of 2-iminopiperidines fused to cyclopropane rings was performed. Optically active isomers 2 and 13 were synthesized and their biological activity was evaluated. Compound 2 exhibited greater potency and more isoform selectivity than enantiomer 13 in the iNOS inhibition assay. One of the gem-chlorines on the fused cyclopropane moiety of 2 was eliminated to produce 3, which showed reduced potency for iNOS inhibition, as well as 4 with an increased potency. The isoform selectivity of 4 was also much higher than that of 3. This was also true for the corresponding methyl derivatives 6-9. The structure-activity relationship (SAR) study and computer aided docking study of the most optimized structure 4 with human iNOS will also be reported.

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