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108223-40-1

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108223-40-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 108223-40-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,8,2,2 and 3 respectively; the second part has 2 digits, 4 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 108223-40:
(8*1)+(7*0)+(6*8)+(5*2)+(4*2)+(3*3)+(2*4)+(1*0)=91
91 % 10 = 1
So 108223-40-1 is a valid CAS Registry Number.

108223-40-1Downstream Products

108223-40-1Relevant articles and documents

α,β-UNSATURATED THIO COMPOUNDS. XX. -CYCLOADDITION OF 3-AMINO-2-ARYL-1-INDENETHIONES TO NITRILIUM BETAINES AND PHENYL AZIDE

Korchevin, N. A.,Usov, V. A.,Voronkov, M. G.,Borodina, N. M.

, p. 1150 - 1154 (2007/10/02)

N,N-Disubstituted 3-amino-2-aryl-1-indenethiones react with the N-oxides of aromatic nitriles or with benzonitrile phenylimine to form 5-spiroindene-substituted 1,4,2-oxathiazoles and 2-spiroindene-substituted 1,3,4-thiadiazolines.With phenyl azide only the transformation of the thiocarbonyl group into a phenylimine group occurs.In the reaction of N-unsubstituted aminoindenethione with benzonitrile N-oxide N,N-diacylation and the parallel transformation of the thione function into ketone function are observed.The reaction of 3-phenylamino-1-indenethione in the iminoenethiol form with benzonitrile N-oxide leads to the product from S-acylation and cycloaddition at the C=N bond with the formation of a 1,4,2-oxadiazoline ring.

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