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199679-38-4

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199679-38-4 Usage

General Description

(E)-3-(4-chloro-3-nitrophenyl)acrylic acid, also known as 4-(E)-chloro-3-nitrostyrene-3-carboxylic acid, is a chemical compound with the molecular formula C9H6ClNO4. It is a yellow solid that is used in the synthesis of various organic compounds. (E)-3-(4-chloro-3-nitrophenyl)acrylic acid is characterized by its nitro and chloro groups, as well as the presence of a double bond in the acrylic acid chain. It is commonly used in organic synthesis and pharmaceutical research as a building block in the production of pharmaceuticals and agrochemicals. Additionally, it has potential applications in materials science and the production of specialty chemicals. However, it is important to handle this compound with caution, as it may pose hazards to human health and the environment.

Check Digit Verification of cas no

The CAS Registry Mumber 199679-38-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,9,9,6,7 and 9 respectively; the second part has 2 digits, 3 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 199679-38:
(8*1)+(7*9)+(6*9)+(5*6)+(4*7)+(3*9)+(2*3)+(1*8)=224
224 % 10 = 4
So 199679-38-4 is a valid CAS Registry Number.

199679-38-4Downstream Products

199679-38-4Relevant articles and documents

Synthesis and characterization of two novel biological-based nano organo solid acids with urea moiety and their catalytic applications in the synthesis of 4,4′-(arylmethylene)bis(1H-pyrazol-5-ol), coumarin-3-carboxylic acid and cinnamic acid derivatives under mild and green conditions

Zolfigol, Mohammad Ali,Ayazi-Nasrabadi, Roya,Baghery, Saeed

, p. 71942 - 71954 (2015/09/08)

2-Carbamoylhydrazine-1-sulfonic acid and carbamoylsulfamic acid as novel, mild and biological-based nano organocatalysts with urea moiety were designed, synthesized and fully characterized by FT-IR, 1H NMR, 13C NMR, mass spectrometry, elemental analysis, thermal gravimetric, derivative thermal gravimetric, X-ray diffraction patterns, scanning electron microscopy, transmission electron microscopy, energy-dispersive X-ray spectroscopy, atomic force microscopy and UV/Vis analysis. The catalytic applications of 2-carbamoylhydrazine-1-sulfonic acid and carbamoylsulfamic acid were studied in the synthesis of 4,4′-(arylmethylene)bis(1H-pyrazol-5-ol), coumarin-3-carboxylic acid and cinnamic acid derivatives via the condensation reaction between several aromatic aldehydes and 1-phenyl-3-methylpyrazol-5-one (synthesis of 4,4′-(arylmethylene)bis(1H-pyrazol-5-ols)), the Knoevenagel condensation of Meldrum's acid with salicylaldehyde derivatives (synthesis of coumarin-3-carboxylic acids) and the condensation of Meldrum's acid with aromatic aldehydes (synthesis of cinnamic acids) under mild and solvent-free conditions. In the presented studies, some products were formed and reported for the first time. The described nano organo solid acids have potential in industry.

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