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1-hydroxy-4-(1-phenyl-5-tetrazolylthio)-2-naphthoic acid N-methylamide is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

157405-39-5

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157405-39-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 157405-39-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,7,4,0 and 5 respectively; the second part has 2 digits, 3 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 157405-39:
(8*1)+(7*5)+(6*7)+(5*4)+(4*0)+(3*5)+(2*3)+(1*9)=135
135 % 10 = 5
So 157405-39-5 is a valid CAS Registry Number.

157405-39-5Downstream Products

157405-39-5Relevant academic research and scientific papers

Directed Reactions of C-Sulfenyl Halides with 1-Hydroxynaphthalene Derivatives

Movchan,Ziganshina,Akhmetov,Dykhal,Chmutova

, p. 502 - 509 (2007/10/03)

C-Sulfenyl chlorides react with 1-hydroxynaphthalene derivatives in nitrobenzene with the formation of sulfenylation products sulfenylation. Under the same conditions C-sulfenyl bromides furnish the products of bromination. In the presence of potassium perchlorate the reactions occurs place also in dioxane and acetonitrile with retention of different in reactivity patterns of isostructural chlorides and bromides. In the reaction with 1-hydroxynaphthalene 2-nitro- and 2,4-dinitrobenzenesulfenylbromides both afford the bromination and sulfenylation products in unsimilar ratios.

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