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56366-31-5

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56366-31-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 56366-31-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,6,3,6 and 6 respectively; the second part has 2 digits, 3 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 56366-31:
(7*5)+(6*6)+(5*3)+(4*6)+(3*6)+(2*3)+(1*1)=135
135 % 10 = 5
So 56366-31-5 is a valid CAS Registry Number.

56366-31-5Relevant articles and documents

Ready access to 7,8-dihydroindolo[2,3-d][1]benzazepine-6(5H)-one scaffold and analogues via early-stage Fischer ring-closure reaction

Arion, Vladimir B.,Bacher, Felix,Chuang, Hsiang-Yu,Kuznetcova, Irina,Vegh, Daniel

, p. 143 - 151 (2022/02/05)

Paullone isomers are known as inhibitors of tubulin polymerase and cyclin dependent kinases (Cdks), which are potential targets for cancer chemotherapy. Herein we report an efficient and clean pathway to the fourth isomer, which remained elusive so far, namely 7,8-dihydroindolo[2,3-d][1]benzazepin-6(5H)-one. Moreover, we demonstrate the generality of our pathway by synthesizing two closely related analogues, one containing a bromo substituent and the other one incorporating an 8-membered instead of a 7-mem-bered ring. The key transformation in this four-step synthesis, with an overall yield of 29%, is the Fischer indole reaction of 2-nitro-phenylacetyl acetoacetate with 1-benzyl-1-phenylhydrazine in acetic acid that delivers methyl 2-(1-benzyl-3-(2-nitrophenyl)-1H-indol-2-yl)acetate in 55% yield.

ORGANIC ELECTROLUMINESCENCE DEVICE AND CONDENSED CYCLIC COMPOUND FOR ORGANIC ELECTROLUMINESCENCE DEVICE

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Paragraph 0115-0117, (2019/12/25)

An organic electroluminescence device of an embodiment includes a first electrode and a second electrode facing each other, and at least one organic layer disposed between the first electrode and the second electrode, wherein at least one organic layer in

NITROGENATED AROMATIC COMPOUND, ORGANIC SEMICONDUCTOR MATERIAL, AND ORGANIC ELECTRONIC DEVICE

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Paragraph 0130; 0132; 0142; 0143, (2013/07/31)

Provided are a nitrogen-containing aromatic heterocyclic compound useful as an organic semiconductor material and an organic electronic device using this compound. The nitrogen-containing aromatic heterocyclic compound has a fused indole skeleton represented by the following formula (1), the organic semiconductor material contains the said compound, and the organic electronic device uses the said organic semiconductor material. In general formula (1), X is N-A', O, S, or Se; A is an alkyl group, a cycloalkyl group, an alkenyl group, an alkynyl group, an aromatic hydrocarbon group, or an aromatic heterocyclic group exclusive of a fused heterocycle consisting of 4 rings or more; and R is a hydrogen atom, an alkyl group, a cycloalkyl group, an alkenyl group, an alkynyl group, an aromatic hydrocarbon group, or an aromatic heterocyclic group exclusive of a fused heterocycle consisting of 4 rings or more.

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