Description

5-Chloro-N,N,3-Trimethyl-1-Phenyl-Pyrazol-4-Amine is a high-purity, synthetically versatile pyrazole derivative with the CAS registry number 21672-57-1. This compound serves as a critical advanced pharmaceutical intermediate and a valuable building block in organic synthesis, enabling the development of novel active ingredients. It is primarily utilized by R&D chemists and process development teams in the pharmaceutical, agrochemical, and fine chemical industries for creating new molecular entities with targeted biological activity.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of novel drug candidates, particularly those targeting central nervous system (CNS) disorders and other therapeutic areas.
• Agrochemical Research: Used as a core scaffold for developing new pesticides, herbicides, and fungicides with improved efficacy and environmental profiles.
• Fine Chemical Synthesis: Serves as a versatile building block for constructing complex heterocyclic compounds in custom synthesis and contract manufacturing.
• Material Science Research: Investigated as a monomer or additive for creating specialty polymers and advanced functional materials.
• Academic & Industrial R&D: Employed in chemical libraries for high-throughput screening and structure-activity relationship (SAR) studies.

Basic Information

Product Name	5-Chloro-N,N,3-Trimethyl-1-Phenyl-Pyrazol-4-Amine
CAS No.	21672-57-1
Molecular Formula	C12H16ClN3
Molecular Weight	237.73 g/mol
Synonyms	5-Chloro-1,3-dimethyl-4-(methylamino)-1H-pyrazole; 5-Chloro-1,3-dimethyl-4-(methylamino)pyrazole; 4-Amino-5-chloro-1,3-dimethyl-1H-pyrazole; 5-Chloro-N,1,3-trimethyl-1H-pyrazol-4-amine; 1-Phenyl-5-chloro-N,N,3-trimethyl-1H-pyrazol-4-amine
EINECS	Contact for details

Quality Control

Our 5-Chloro-N,N,3-Trimethyl-1-Phenyl-Pyrazol-4-Amine is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, GC, and NMR, to ensure high purity and consistent chemical identity. We provide comprehensive Certificates of Analysis (COA) with every shipment, detailing all specified parameters. Our production adheres to cGMP principles where applicable, ensuring reliability for critical R&D and scale-up processes.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (15-25°C). Keep away from heat, sparks, and open flame. For long-term storage, consider maintaining the material under an inert atmosphere to preserve stability.

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.