Description

1-Chloro-4-(Phenylthiomethyl)Phthalazine is a high-value, multi-functional heterocyclic building block. This compound is significant for its role as a key synthetic intermediate in the development of advanced pharmaceutical compounds and specialty organic materials. It is primarily needed by research and development chemists in the pharmaceutical, agrochemical, and fine chemical industries for constructing complex molecular architectures.

Application

• Pharmaceutical Intermediate: A critical precursor in the synthesis of novel drug candidates, particularly those targeting central nervous system (CNS) disorders and oncology.
• Agrochemical Research: Used in the development of new active ingredients for crop protection products, leveraging its unique heterocyclic core.
• Material Science: Serves as a building block for creating advanced organic electronic materials, such as charge-transport layers or light-emitting components.
• Chemical Synthesis: Acts as a versatile electrophile or coupling partner in cross-coupling reactions (e.g., Suzuki, Buchwald-Hartwig) for C-C and C-N bond formation.
• Ligand & Catalyst Development: The phthalazine and thioether moieties make it a useful scaffold for designing novel ligands in transition metal catalysis.
• Academic & Contract Research: Essential for medicinal chemistry programs and process development in academic institutions and CROs/CDMOs.

Basic Information

Product Name	1-Chloro-4-(Phenylthiomethyl)Phthalazine
CAS No.	929613-64-9
Molecular Formula	C15H11ClN2S
Molecular Weight	286.78 g/mol
Synonyms	4-Chloro-1-(phenylthiomethyl)phthalazine; 1-Chloro-4-(phenylsulfanylmethyl)phthalazine; 1-Chloro-4-[(phenylthio)methyl]phthalazine; Phthalazine, 1-chloro-4-[(phenylthio)methyl]-; 929613-64-9; 1-Chloro-4-(phenylthiomethyl)phthalazine; 1-Chloro-4-(phenylmethylthio)phthalazine
EINECS	Contact for details

Quality Control

Our 1-Chloro-4-(Phenylthiomethyl)Phthalazine is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, NMR, and GC-MS, to ensure identity, purity, and consistency. We provide comprehensive Certificates of Analysis (COA) with every shipment, detailing all critical quality attributes to support your regulatory and R&D requirements.

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 strong oxidizing agents and incompatible materials. For long-term storage, consider storing under an inert atmosphere to maintain optimal stability.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (HPLC/IR)	Conforms to reference standard
Assay (HPLC)	≥ 97.0%
Related Substances (HPLC)	Total impurities ≤ 3.0%
Any single impurity	≤ 1.0%
Residual Solvents (GC)	Complies with ICH Q3C guidelines
Loss on Drying	≤ 0.5%

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