Description

(Z)-Methyl 2-(3-Nitrobenzylidene)-3-Oxobutanoate CAS NO 119128-13-1 is a high-purity, specialized organic intermediate featuring a conjugated nitro-substituted benzylidene structure. This compound is valued for its role as a versatile building block in advanced organic synthesis, enabling the construction of complex molecular frameworks. It is primarily sought after by research institutions and industrial R&D departments in the pharmaceutical and agrochemical sectors for the development of novel active ingredients and fine chemicals.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of potential drug candidates, particularly those with nitroaromatic or chalcone-like pharmacophores.
• Agrochemical Research: Used in the development of new herbicides, fungicides, and insecticides, leveraging its reactive β-keto ester functionality.
• Organic Synthesis Building Block: Serves as a Michael acceptor or a dienophile in cycloaddition reactions for constructing heterocyclic compounds.
• Material Science Research: Investigated as a monomer or precursor for organic semiconductors and non-linear optical (NLO) materials due to its electron-withdrawing nitro group and extended conjugation.
• Chemical Reference Standard: Supplied to analytical laboratories for method development and quality control testing.

Basic Information

Product Name	(Z)-Methyl 2-(3-Nitrobenzylidene)-3-Oxobutanoate
CAS No.	119128-13-1
Molecular Formula	C₁₂H₁₁NO₅
Molecular Weight	249.22 g/mol
Synonyms	Methyl (2Z)-2-[(3-nitrophenyl)methylene]-3-oxobutanoate; Methyl 2-(3-Nitrobenzylidene)acetoacetate; 3-Oxobutanoic acid, 2-[(3-nitrophenyl)methylene]-, methyl ester, (2Z)-; 2-(3-Nitrobenzylidene)-3-oxo-butyric acid methyl ester; (Z)-Methyl 3-oxo-2-(3-nitrobenzylidene)butanoate
EINECS	Contact for details

Quality Control

Our (Z)-Methyl 2-(3-Nitrobenzylidene)-3-Oxobutanoate is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation by IR and NMR spectroscopy, to ensure it meets the high standards required for research and development. A Certificate of Analysis (COA) detailing all specifications is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (typically 15-25°C). Keep away from heat sources and incompatible materials. Due to its light-sensitive nature, prolonged exposure to light should be avoided.

Specification

Item	Specification
Appearance	Yellow to orange crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.