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94208-22-7

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94208-22-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 94208-22-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,4,2,0 and 8 respectively; the second part has 2 digits, 2 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 94208-22:
(7*9)+(6*4)+(5*2)+(4*0)+(3*8)+(2*2)+(1*2)=127
127 % 10 = 7
So 94208-22-7 is a valid CAS Registry Number.

94208-22-7Relevant articles and documents

Two Component Recyclable Heterogeneous Catalyst, Process for Preparation Thereof and its Use for Preparation of Amines

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Page/Page column 5, (2012/01/13)

The invention describes the development of highly efficient, recyclable two component system, CuAl-hydrotalcite/rac 1,1′-Binaphthalene-2,2′-diol catalytic system for the N-alkylation of electron deficient aryl chlorides in presence of potassium carbonate as a base at room temperature in 3-6 h, wherein the process is provided for the preparation of various secondary amines via C—N coupling reaction of aliphatic amines(aliphatic open chain, acyclic, benzyl amines and heterocyclic amines) with various aryl chlorides.

Cu-Al hydrotalcite: An efficient and reusable ligand-free catalyst for the coupling of aryl chlorides with aliphatic, aromatic, and N(H)-heterocyclic amines

Sreedhar,Arundhathi,Linga Reddy,Amarnath Reddy,Lakshmi Kantam

experimental part, p. 2517 - 2522 (2010/03/24)

Copper-aluminum hydrotalcite catalysts were effectively used in the coupling of aryl chlorides with aliphatic, aromatic, and N(H)-heterocyclic amines to afford the corresponding N-alkylated/arylated amines in excellent yields. The catalyst was quantitatively recovered from the reaction by simple filtration and reused for a number of cycles with almost consistent activity. Georg Thieme Verlag Stuttgart.

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