Description

3-Methyl-4-Oxo-3,4-Dihydro-Phthalazine-1-Carboxylic Acid Hydrazide is a high-purity, versatile heterocyclic building block and key intermediate in advanced organic synthesis. Its unique phthalazine-hydrazide structure makes it a critical precursor for developing active pharmaceutical ingredients (APIs) and functional materials. This compound is essential for research and production in pharmaceutical development, agrochemical synthesis, and specialty chemical manufacturing, where precise molecular architecture is required.

Application

• Pharmaceutical Intermediate: A key synthon for the synthesis of novel drug candidates, particularly in therapeutic areas requiring phthalazine-based scaffolds.
• Agrochemical Synthesis: Used in the research and development of new herbicides, fungicides, and plant growth regulators.
• Ligand and Chelating Agent Precursor: Serves as a starting material for creating complexing agents and ligands in coordination chemistry and catalysis.
• Material Science Research: Employed in the development of organic electronic materials, dyes, and photoactive compounds.
• Chemical Research & Development: A valuable building block for academic and industrial R&D in heterocyclic and medicinal chemistry.
• Fine Chemical Production: Integrated into multi-step synthesis processes for high-value, low-volume specialty chemicals.

Basic Information

Product Name	3-Methyl-4-Oxo-3,4-Dihydro-Phthalazine-1-Carboxylic Acid Hydrazide
CAS No.	99072-87-4
Molecular Formula	C10H10N4O2
Molecular Weight	218.21 g/mol
Synonyms	1-Carboxy-3-methyl-4-oxo-3,4-dihydrophthalazine hydrazide; 3-Methyl-4-oxo-3,4-dihydro-1-phthalazinecarboxylic acid hydrazide; 1-Hydrazinylcarbonyl-3-methyl-4-oxo-3,4-dihydrophthalazine; 3-Methyl-1,2,3,4-tetrahydro-4-oxophthalazine-1-carboxylic acid hydrazide; 99072-87-4; Phthalazine-1-carboxylic acid, 3,4-dihydro-3-methyl-4-oxo-, hydrazide
EINECS	Contact for details

Quality Control

Our 3-Methyl-4-Oxo-3,4-Dihydro-Phthalazine-1-Carboxylic Acid Hydrazide is manufactured under a strict quality management system. Every batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation, to ensure it meets the high standards required for research and industrial synthesis. Certificates of Analysis (COA) with full batch traceability are provided to guarantee consistency, purity, and reliability for your critical processes.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated place at a controlled room temperature (15-25°C). This compound is easily oxidized; for long-term storage, consider keeping under an inert atmosphere such as nitrogen or argon. Keep away from heat, sparks, and open flame.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 20 ppm

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