Description

4-Oxo-3,4-Dihydro-Phthalazine-1-Carboxylic Acid Methyl Ester is a high-purity organic intermediate of significant importance in advanced chemical synthesis. This compound serves as a critical building block for the development of complex heterocyclic molecules, particularly in pharmaceutical research and fine chemical manufacturing. It is primarily sought after by R&D chemists and process development scientists in the pharmaceutical, agrochemical, and specialty chemical industries for constructing novel active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of phthalazine-based drug candidates, including potential kinase inhibitors and other therapeutic agents.
• Agrochemical Research: Used in the development of novel herbicides, fungicides, and plant growth regulators that utilize the phthalazine scaffold.
• Fine Chemical Synthesis: Serves as a versatile building block for creating complex dyes, pigments, and functional organic materials.
• Academic & R&D Laboratories: Employed in methodological studies and the discovery of new organic reactions and catalytic processes.
• Material Science: Potential monomer or precursor for the synthesis of specialty polymers and advanced organic electronic materials.

Basic Information

Item	Details
Product Name	4-Oxo-3,4-Dihydro-Phthalazine-1-Carboxylic Acid Methyl Ester
CAS No.	53960-10-4
Molecular Formula	C10H8N2O3
Molecular Weight	204.18 g/mol
Synonyms	Methyl 1-phthalazinecarboxylate 4-oxide; Methyl 4-oxo-3,4-dihydro-1-phthalazinecarboxylate; 1-Carbomethoxy-4(1H)-phthalazinone; 4-Oxo-3,4-dihydro-1-phthalazinecarboxylic acid methyl ester; 1-Phthalazinecarboxylic acid, 3,4-dihydro-4-oxo-, methyl ester; Methyl 4-oxo-1,4-dihydrophthalazine-1-carboxylate
EINECS	Contact for details

Quality Control

Our 4-Oxo-3,4-Dihydro-Phthalazine-1-Carboxylic Acid Methyl Ester is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation (IR, NMR), to ensure it meets the high standards required for research and development applications. Certificates of Analysis (COA) documenting all critical quality attributes are available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). Keep away from heat, sparks, and open flame. The compound is light-sensitive and should be handled under appropriate conditions to maintain stability.

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.