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104447-56-5

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104447-56-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 104447-56-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,4,4,4 and 7 respectively; the second part has 2 digits, 5 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 104447-56:
(8*1)+(7*0)+(6*4)+(5*4)+(4*4)+(3*7)+(2*5)+(1*6)=105
105 % 10 = 5
So 104447-56-5 is a valid CAS Registry Number.

104447-56-5Relevant articles and documents

Evolution of a Series of Peptidoleukotriene Antagonists: Synthesis and Structure-Activity Relationships of 1,6-Disubstituted Indoles and Indazoles

Brown, Frederick J.,Yee, Ying K.,Cronk, Laura A.,Hebbel, Kevin C.,Krell, Robert D.,Snyder, David W.

, p. 1771 - 1781 (2007/10/02)

A perception of structural similarities between two independent series of leukotriene antagonists (one emanating from FPL 55712 and one based upon the leukotrienes themselves) led to the discovery of a novel class of indole and indazole derived antagonists of peptidoleukotrienes.A systematic exploration of C-6 substituted 4-(indol-1-ylmethyl)-3-methoxybenzoic acids identified cyclopentylacetamide and cyclopentylurethane as preferred substituents.The corresponding indazoles were equipotent.These compounds are selective leukotriene antagonists with pKB values of 7.5-7.8 vs LTE4 on guinea pig trachea.

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