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Tetraceno[2,1,12-qra]tetracene is a complex organic compound belonging to the family of polycyclic aromatic hydrocarbons (PAHs). It consists of a large, planar molecule with a structure that features four linearly fused benzene rings, creating a unique arrangement of carbon and hydrogen atoms. tetraceno[2,1,12-qra]tetracene is characterized by its high stability and strong electronic properties, which make it a subject of interest in the fields of materials science and organic chemistry. Due to its large π-conjugated system, tetraceno[2,1,12-qra]tetracene exhibits interesting optical and electronic behaviors, potentially useful in the development of advanced materials for applications such as organic electronics and photovoltaics.

189-45-7

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189-45-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 189-45-7 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 1,8 and 9 respectively; the second part has 2 digits, 4 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 189-45:
(5*1)+(4*8)+(3*9)+(2*4)+(1*5)=77
77 % 10 = 7
So 189-45-7 is a valid CAS Registry Number.

189-45-7SDS

SAFETY DATA SHEETS

According to Globally Harmonized System of Classification and Labelling of Chemicals (GHS) - Sixth revised edition

Version: 1.0

Creation Date: Aug 18, 2017

Revision Date: Aug 18, 2017

1.Identification

1.1 GHS Product identifier

Product name NAPHTHACENO(2,1,12-QRA)NAPHTHACENE

1.2 Other means of identification

Product number -
Other names Naphthaceno<2.1.12-gra>naphthacen

1.3 Recommended use of the chemical and restrictions on use

Identified uses For industry use only.
Uses advised against no data available

1.4 Supplier's details

1.5 Emergency phone number

Emergency phone number -
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More Details:189-45-7 SDS

189-45-7Upstream product

189-45-7Downstream Products

189-45-7Relevant academic research and scientific papers

Modular Approach to the Synthesis of Two-Dimensional Angular Fused Acenes

Feofanov, Mikhail,Akhmetov, Vladimir,Sharapa, Dmitry I.,Amsharov, Konstantin

supporting information, p. 1698 - 1702 (2020/01/31)

Herein, we present a modular approach to pristine angularly fused planar acenes. The approach includes the Pd-catalyzed fusion of several building blocks and implements a dehydrative ?-extension (DPEX) reaction as a key step enabling facile access to diverse two-dimensional acenes. The scope was demonstrated on nine examples with up to quantitative yield.

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