Description

3-Ethyl-4-Oxo-3,4-Dihydro-Phthalazine-1-Carboxylic Acid Methyl Ester is a high-purity, synthetically valuable heterocyclic building block. This compound is critical for research and development in advanced organic synthesis, particularly for constructing complex molecular architectures. It is primarily sought by pharmaceutical R&D teams and fine chemical manufacturers for applications in medicinal chemistry and material science.

Application

• Pharmaceutical Intermediate: Serves as a key precursor in the synthesis of novel active pharmaceutical ingredients (APIs), particularly those with phthalazine-based scaffolds.
• Medicinal Chemistry Research: Used as a versatile building block for constructing compound libraries in drug discovery programs targeting various disease pathways.
• Agrochemical Development: Employed in the research and synthesis of new crop protection agents and herbicides.
• Material Science: Acts as a monomer or functional component in the development of specialty polymers and advanced organic materials.
• Academic & Industrial R&D: Utilized in chemical research for studying heterocyclic reactions and developing new synthetic methodologies.

Basic Information

Product Name	3-Ethyl-4-Oxo-3,4-Dihydro-Phthalazine-1-Carboxylic Acid Methyl Ester
CAS No.	16015-53-5
Molecular Formula	C₁₂H₁₂N₂O₃
Molecular Weight	232.24 g/mol
Synonyms	Methyl 3-ethyl-4-oxo-3,4-dihydrophthalazine-1-carboxylate; 1-Carbomethoxy-3-ethyl-4(3H)-phthalazinone; 3-Ethyl-4-oxo-3,4-dihydro-1-phthalazinecarboxylic acid methyl ester; 3-Ethyl-1-methoxycarbonyl-4(3H)-phthalazinone; 1-Methoxycarbonyl-3-ethyl-4(3H)-phthalazinone; 3-Ethyl-4(3H)-phthalazinone-1-carboxylic acid methyl ester
EINECS	Contact for details

Quality Control

Our 3-Ethyl-4-Oxo-3,4-Dihydro-Phthalazine-1-Carboxylic Acid Methyl Ester is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation via spectroscopic methods (NMR, IR), to ensure it meets the high standards required for research and industrial synthesis. Certificates of Analysis (COA) documenting all specifications are available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at controlled room temperature (15-25°C). Keep away from incompatible materials.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
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.