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103457-27-8

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103457-27-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 103457-27-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,3,4,5 and 7 respectively; the second part has 2 digits, 2 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 103457-27:
(8*1)+(7*0)+(6*3)+(5*4)+(4*5)+(3*7)+(2*2)+(1*7)=98
98 % 10 = 8
So 103457-27-8 is a valid CAS Registry Number.

103457-27-8Relevant articles and documents

Cu(I)-Catalyzed Ligand-Free Tandem One-Pot or Sequential Annulation via Knoevenagel Intermediates: An Entry into Multifunctional Naphthalenes, Phenanthrenes, Quinolines, and Benzo[ b]carbazoles

Sunke, Rajnikanth,Kalyani, Adula,Swamy, K. C. Kumara

, p. 1073 - 1086 (2020)

A simple but efficient one-pot or sequential copper-catalyzed protocol using 2-bromoaldehydes and active methylene group containing substrates that affords multifunctional naphthalenes, phenanthrenes, quinolines, and benzo[b]carbazoles via Knoevenagel con

Cascade reaction synthesis method of 2-(phenylmethylene)malononitrile or derivative thereof

-

Paragraph 0058-0062, (2020/03/12)

The invention discloses a cascade reaction synthesis method of 2-(phenylmethylene)malononitrile or a derivative thereof. According to the invention, a dendritic acid-alkali catalyst based on cross-linked polystyrene is synthesized, and 2-(phenylmethylene) malononitrile or a derivative thereof is synthesized in batches by successfully applying a cascade reaction into fluid chemistry, so that the method of the invention has advantages of substantially reduced, yield increase and no separation process of a catalyst and a product compared with the traditional test tube reaction.

Synergistic NaBH4Reduction/Cyclization of 2-Aroylcyclopropane-1-carboxylates: Synthesis of 3-Oxabicyclo[3.1.0]hexane Derivatives

Liu, Jiaming,Wang, Lizhong,Qing, Xushun,Zhang, Feixiang,Wang, Ting,Wang, Cunde

supporting information, p. 1012 - 1018 (2017/02/15)

An NaBH4reduction/cyclization reaction of readily available 2-aroyl-1-cyano-3-arylcyclopropane-1-carboxylate compounds was investigated. The process results in the stereoselective synthesis of 3-oxabicyclo[3.1.0]hexane derivatives in high yield

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