1903-94-2 Usage
General Description
9H-Carbazole-1-carboxaldehyde is a chemical compound with the molecular formula C14H9NO. It belongs to the class of organic compounds known as carbazoles, which are nitrogen-containing heterocycles. 9H-Carbazole-1-carboxaldehyde is commonly used in chemical synthesis and as a building block in the production of various organic chemicals and pharmaceuticals. It is a yellow to orange crystalline solid with a strong odor. 9H-Carbazole-1-carboxaldehyde is known for its use in the synthesis of pharmaceuticals, agrochemicals, and dyes, and it also exhibits fluorescence properties, which make it useful in the development of sensors and optoelectronic devices. Additionally, it has been studied for its potential biological activities, including antitumor and anti-inflammatory effects.
Check Digit Verification of cas no
The CAS Registry Mumber 1903-94-2 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,9,0 and 3 respectively; the second part has 2 digits, 9 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 1903-94:
(6*1)+(5*9)+(4*0)+(3*3)+(2*9)+(1*4)=82
82 % 10 = 2
So 1903-94-2 is a valid CAS Registry Number.
1903-94-2Relevant articles and documents
Solvent-free synthesis of δ-carbolines/carbazoles from 3-nitro-2-phenylpyridines/2-nitrobiphenyl derivatives using DPPE as a reducing agent
Peng, Haixia,Chen, Xuxing,Chen, Yanhong,He, Qian,Xie, Yuyuan,Yang, Chunhao
, p. 5725 - 5731 (2011/08/09)
A green and efficient preparation of functionalized δ-carbolines/ carbazoles via reductive ring closure by 1,2-bis(dipenylphosphino)ethane under solvent-free conditions is described. The starting materials 3-nitro-2-phenylpyridines/2-nitrobiphenyl derivatives are readily prepared through Suzuki-Miyaura cross-coupling reaction from commercially available compounds. And the polar by-product ethane-1,2-diylbis(diphenylphosphine oxide) is easily removed from the relatively polar reaction mixture. Various substituted δ-carbolines/carbazoles are obtained in acceptable yields. It is particularly worth mentioning that substrates with electron-withdrawing groups (EWG) also give the desired products in good yield.
Photochemical formylation of selected methyl and dimethyl carbazoles
Chowdhury,Saha,Poddar
, p. 63 - 65 (2007/10/02)
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