Description

1H-Pyrazole, 3,4-Diethynyl-1-Methyl- (9Ci) is a specialized heterocyclic organic compound featuring a pyrazole core functionalized with ethynyl groups. This unique structure makes it a valuable advanced intermediate for synthesizing complex molecules in research and development. It is primarily sought after by pharmaceutical, agrochemical, and material science industries for creating novel active ingredients and functional polymers.

Application

• Pharmaceutical Intermediate: Serves as a key building block in the synthesis of novel drug candidates, particularly for targeted therapies.
• Agrochemical Research: Used in developing new generations of pesticides and herbicides with specific modes of action.
• Material Science & Polymer Chemistry: Acts as a monomer or cross-linking agent for creating specialty polymers, resins, and advanced materials with tailored properties.
• Ligand Synthesis in Catalysis: Employed to construct complex ligand frameworks for metal-organic catalysts used in fine chemical synthesis.
• Academic & Industrial R&D: A crucial reagent for exploratory chemistry in universities and corporate research laboratories.
• Electronic Chemicals: Potential use in the development of organic semiconductors and conductive polymers.

Basic Information

Product Name	1H-Pyrazole, 3,4-Diethynyl-1-Methyl- (9Ci)
CAS No.	34091-64-0
Molecular Formula	C8H6N2
Molecular Weight	130.15 g/mol
Synonyms	3,4-Diethynyl-1-methyl-1H-pyrazole; 1-Methyl-3,4-diethynylpyrazole; 1-Methyl-3,4-diethynyl-1H-pyrazole; 3,4-Diethynyl-1-methylpyrazole; Pyrazole, 3,4-diethynyl-1-methyl-; 34091-64-0 (CAS); 1-Methyl-3,4-diethynylpyrazole
EINECS	Contact for details

Quality Control

Every batch of 1H-Pyrazole, 3,4-Diethynyl-1-Methyl- (9Ci) is produced and tested under a strict quality management system. We provide comprehensive analytical data to ensure identity, purity, and consistency for your critical R&D and production processes. Certificates of Analysis (COA) with detailed specifications from techniques like HPLC, GC, NMR, and IR spectroscopy are available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated place at room temperature (15-25°C) under an inert atmosphere (e.g., nitrogen or argon) to prevent oxidation. Keep away from heat, sparks, and open flames.

Specification

Item	Specification
Appearance	White to off-white solid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 95.0%
Melting Point	Contact for details
Residual Solvents (GC)	Meets ICH guidelines
Water Content (KF)	< 0.5%

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