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(E)-2-(4-Benzoyl-2-phenyl-azuleno[2,1-b]pyridin-10-yl)-1,4-diphenyl-but-2-ene-1,4-dione is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

136745-45-4

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136745-45-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 136745-45-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,6,7,4 and 5 respectively; the second part has 2 digits, 4 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 136745-45:
(8*1)+(7*3)+(6*6)+(5*7)+(4*4)+(3*5)+(2*4)+(1*5)=144
144 % 10 = 4
So 136745-45-4 is a valid CAS Registry Number.

136745-45-4Downstream Products

136745-45-4Relevant academic research and scientific papers

Reactions of 2-Aminoazulenes with Electron-Deficient Acetylenes

Abe, Noritaka

, p. 2393 - 2397 (1991)

2-Aminoazulene (1a) reacted with dimethyl acetylenedicarboxylate (DMAD) to give dimethyl 1,2-azulene-dicarboxylate, tetramethyl 2,2'-(2-amino-1,3-azulenediyl)bis, and dimethyl 2-(4-methoxycarbonyl-2-oxo-1,2-dihydroazulenopyridin-10-yl)fum

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