Description

1-Chloro-4-Methoxyphthalazine is a versatile and high-value heterocyclic building block used in advanced organic synthesis. This compound is critical for the development of novel pharmaceutical intermediates and agrochemicals, offering a reactive site for further functionalization. It is primarily sought after by R&D chemists and process development scientists in the pharmaceutical, agrochemical, and specialty chemical industries for constructing complex molecular architectures.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of active pharmaceutical ingredients (APIs), particularly for compounds with phthalazine-based scaffolds.
• Agrochemical Research: Used in the development of new herbicides, fungicides, and insecticides, leveraging its heterocyclic structure for bioactivity.
• Ligand Synthesis: Serves as a starting material for creating specialized ligands used in catalysis and material science.
• Dye and Pigment Chemistry: Employed in the synthesis of advanced colorants and functional dyes due to its aromatic system.
• Academic & Industrial R&D: A valuable reagent for methodological studies and the discovery of new chemical reactions in research laboratories.
• Custom Synthesis: Used by contract research and manufacturing organizations (CROs/CMOs) for bespoke chemical synthesis projects.

Basic Information

Product Name	1-Chloro-4-Methoxyphthalazine
CAS No.	19064-71-2
Molecular Formula	C9H7ClN2O
Molecular Weight	194.62 g/mol
Synonyms	4-Methoxy-1-chlorophthalazine; 1-Chloro-4-methoxy-2,3-diazanaphthalene; NSC 403796; Phthalazine, 1-chloro-4-methoxy-; 19064-71-2; 1-Chlor-4-methoxyphthalazin; 1-Cloro-4-metossiftalazina
EINECS	Contact for details

Quality Control

Our 1-Chloro-4-Methoxyphthalazine is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC, NMR, and GC-MS, to ensure identity, purity, and consistency. Certificates of Analysis (COA) detailing all specifications are provided with every shipment. We adhere to cGMP principles for pharmaceutical-grade material and can support regulatory filings with necessary documentation.

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). Keep away from heat, sparks, and open flame. The compound may be light-sensitive; prolonged exposure to light should be avoided.

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%
Heavy Metals	< 20 ppm

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