Description

4-(4-Hydroxyphenyl)-1,2-Dihydrophthalazin-1-One is a high-purity organic compound, a key heterocyclic building block valued for its unique fused ring structure and phenolic functionality. This compound matters for its role as a versatile synthetic intermediate in advanced organic synthesis and pharmaceutical research. It is needed by R&D chemists and process development scientists in the pharmaceutical, agrochemical, and specialty chemical industries for creating novel active molecules and functional materials.

Application

• Pharmaceutical Intermediate: A crucial building block for the synthesis of novel drug candidates, particularly those targeting enzymes or receptors where the phthalazinone scaffold is pharmacologically relevant.
• Agrochemical Research: Used in the development of new herbicides, fungicides, or plant growth regulators, leveraging its heterocyclic core for bioactivity.
• Material Science Precursor: Serves as a monomer or functionalizing agent in the synthesis of advanced polymers, dyes, or photoactive materials.
• Chemical Biology Probe: Utilized in academic and industrial research to develop molecular probes for studying biological pathways and protein interactions.
• Organic Synthesis Reagent: Acts as a specialized starting material for constructing complex polycyclic structures via various coupling and cyclization reactions.

Basic Information

Item	Detail
Product Name	4-(4-Hydroxyphenyl)-1,2-Dihydrophthalazin-1-One
CAS No.	152594-70-2
Molecular Formula	C14H10N2O2
Molecular Weight	238.24 g/mol
Synonyms	4-(4-Hydroxyphenyl)phthalazin-1(2H)-one; 4-(4-Hydroxyphenyl)-2H-phthalazin-1-one; 1(2H)-Phthalazinone, 4-(4-hydroxyphenyl)-; 4-(p-Hydroxyphenyl)-1,2-dihydrophthalazin-1-one; 4-(4'-Hydroxyphenyl)phthalazin-1(2H)-one
EINECS	Contact for details

Quality Control

Our 4-(4-Hydroxyphenyl)-1,2-Dihydrophthalazin-1-One is manufactured under strict quality management systems. Every batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation via spectroscopic methods, to ensure it meets the high standards required for research and development. A comprehensive Certificate of Analysis (COA) detailing purity, assay, and impurity profiles is provided with each shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at a controlled room temperature (15-25°C). This material is easily oxidized and should be handled and stored under an inert atmosphere (e.g., nitrogen or argon) for long-term stability. Keep away from incompatible materials.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
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.