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68535-49-9

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68535-49-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 68535-49-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,8,5,3 and 5 respectively; the second part has 2 digits, 4 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 68535-49:
(7*6)+(6*8)+(5*5)+(4*3)+(3*5)+(2*4)+(1*9)=159
159 % 10 = 9
So 68535-49-9 is a valid CAS Registry Number.

68535-49-9Relevant articles and documents

Cycloaddition Reactions of in situ Generated C2D2 in Dioxane: Efficient Synthetic Approach to D2-Labeled Nitrogen Heterocycles

Voronin, Vladimir V.,Ledovskaya, Maria S.,Rodygin, Konstantin S.,Ananikov, Valentine P.

, p. 5640 - 5648 (2021/11/11)

In this work, an universal synthetic approach for the synthesis of D2-labeled nitrogen heterocycles based on cycloaddition reactions of in situ generated dideuteroacetylene is reported. A key feature of this method is the use of 1,4-dioxane as

An azide and acetylene free synthesis of 1-substituted 1,2,3-triazoles

Patterson, Sarah J.M.,Clark, Peter R.,Williams, Glynn D.,Tomkinson, Nicholas C.O.

supporting information, (2020/10/13)

This paper details a simple and efficient 3-component synthesis of 1-substituted 1,2,3-triazoles using a primary amine, 2,2-dimethoxyacetaldehyde and tosylhydrazide. The reaction proceeds in good to excellent yields using either aliphatic or aromatic amine substrates and is tolerant of a wide range of functional groups including electron-rich and deficient aryl groups, terminal alkynes, ketones and highly sterically encumbered amines.

The Hofmann reaction involving annulation of: O -(pyridin-2-yl)aryl amides selectively and rapidly leads to potential photocatalytically active 6 H -pyrido[1,2- c] quinazolin-6-one derivatives

Gao, Wenjing,Liu, Tongxin,Wan, Yameng,Wu, Hao,Zhang, Guisheng,Zhang, Zhiguo

supporting information, p. 7955 - 7961 (2020/11/30)

A highly efficient PIFA-mediated Hofmann reaction of o-(pyridin-2-yl)aryl amides has been developed to selectively and rapidly construct various potential photocatalytically active 6H-pyrido[1,2-c]quinazolin-6-one derivatives. The use of a nontoxic and ec

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