Description

1-Chloro-4-(3,5-Dimethyl-Pyrazol-1-Yl)-Phthalazine is a high-value heterocyclic building block of significant interest in advanced organic synthesis. Its core value lies in its unique molecular architecture, which combines a phthalazine scaffold with a substituted pyrazole moiety, enabling the construction of complex nitrogen-containing compounds. This compound is primarily sought after by research and development teams in the pharmaceutical and agrochemical industries for the development of novel active ingredients.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of potential drug candidates, particularly those targeting kinase inhibition and other biological pathways.
• Agrochemical Research: Used in the development of new herbicides, fungicides, and insecticides, leveraging its heterocyclic structure for bioactivity.
• Material Science: Serves as a building block for creating specialized ligands, dyes, and functional organic materials.
• Academic & Contract Research: Employed in universities and CROs for methodological studies and the exploration of new chemical reactions.
• Custom Synthesis: A starting material for the contract manufacturing of complex, bespoke molecules for client-specific projects.

Basic Information

Product Name	1-Chloro-4-(3,5-Dimethyl-Pyrazol-1-Yl)-Phthalazine
CAS No.	957503-48-9
Molecular Formula	C₁₃H₁₁ClN₄
Molecular Weight	258.70 g/mol
Synonyms	1-Chloro-4-(3,5-dimethyl-1H-pyrazol-1-yl)phthalazine; 4-(3,5-Dimethyl-1H-pyrazol-1-yl)-1-chlorophthalazine; 1-Chloro-4-(3,5-dimethylpyrazol-1-yl)phthalazine; 957503-48-9; Phthalazine, 1-chloro-4-(3,5-dimethyl-1H-pyrazol-1-yl)-; 1-Chloro-4-(3,5-dimethyl-1-pyrazolyl)phthalazine
EINECS	Contact for details

Quality Control

Our 1-Chloro-4-(3,5-Dimethyl-Pyrazol-1-Yl)-Phthalazine is manufactured under strict quality control protocols to ensure batch-to-batch consistency and high purity, typically meeting research-grade standards. Each lot is characterized using advanced analytical techniques including HPLC, NMR, and mass spectrometry. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every shipment to support your R&D and regulatory documentation needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (typically 15-25°C). Keep away from incompatible materials. For long-term storage, consider storing under an inert atmosphere to maintain optimal stability.

Specification

Item	Specification
Appearance	Off-white to light yellow crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Conforms to reference
Purity (HPLC)	≥ 97.0%
Water Content (KF)	≤ 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.