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30481-05-1

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30481-05-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 30481-05-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,0,4,8 and 1 respectively; the second part has 2 digits, 0 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 30481-05:
(7*3)+(6*0)+(5*4)+(4*8)+(3*1)+(2*0)+(1*5)=81
81 % 10 = 1
So 30481-05-1 is a valid CAS Registry Number.

30481-05-1Relevant articles and documents

Synthesis and microbicidal activity of substituted 1,2,3-triazoles having amide and hydroxy functionality

Kaushik,Luxmi, Raj

, p. 2149 - 2153 (2017)

A series of 1,4-disubstituted 1,2,3-triazoles was designed and synthesized from hydroxy terminal alkynes and 2-azido-N-substituted Nphenylpropanamides. All the synthesized substituted triazoles were characterized by spectral techniques (FT-IR, 1H NMR, 13C

Iron-Catalyzed 1,4-Phenyl Migration/Ring Expansion of α-Azido N-Phenyl Amides

Wei, Kaijie,Liang, Siyu,Yang, Tonghao,Yu, Wei

supporting information, p. 8650 - 8654 (2021/11/13)

Herein, we report a novel iron-catalyzed skeleton rearrangement of alkyl azides. Upon treatment with FeCl2 and N-heterocyclic carbene SIPr·HCl in the presence of H2O and Et3N, 2-azido-N,N-diphenylamides underwent 1,4-phenyl migration and ring expansion to give azepin-2-ones in good yield. The reaction proceeds via intramolecular nitrene cycloaddition followed by C-N cleavage, water addition, and electrocyclic ring opening.

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