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93013-37-7

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93013-37-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 93013-37-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,3,0,1 and 3 respectively; the second part has 2 digits, 3 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 93013-37:
(7*9)+(6*3)+(5*0)+(4*1)+(3*3)+(2*3)+(1*7)=107
107 % 10 = 7
So 93013-37-7 is a valid CAS Registry Number.

93013-37-7Downstream Products

93013-37-7Relevant articles and documents

Synthesis and Quantitative Structure-Activity Relationships of Dequalinium Analogues as K+ Channel Blockers: Investigation into the Role of the Substituent at Position 4 of the Quinoline Ring

Galanakis, Dimitrios,Calder, Julie A. D.,Ganellin, C. Robin,Owen, Clive S.,Dunn, Philip M.

, p. 3536 - 3546 (1995)

Dequalinium (4) is a potent and selective blocker of small conductance Ca2+-activated K+ channels, an important but relatively little studied class.The 4-NH2 group of dequalinium has been shown to contribute significantly to blocking

Lewis acid activation of pyridines for nucleophilic aromatic substitution and conjugate addition

Abou-Shehada, Sarah,Teasdale, Matthew C.,Bull, Steven D.,Wade, Charles E.,Williams, Jonathan M. J.

, p. 1083 - 1087 (2015/03/30)

A clean, mild and sustainable method for the functionalization of pyridines and their analogues is reported. A zinc-based Lewis acid is used to activate pyridine and its analogues towards nucleophilic aromatic substitution, conjugate addition, and cyclization reactions by binding to the nitrogen on the pyridine ring and activating the pyridine ring core towards further functionalization.

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