Description

Methyl [5-Hydroxy-1-(4-Nitrophenyl)-1H-Pyrazol-3-Yl]Acetate CAS NO 522637-91-8 is a high-purity, functionalized pyrazole derivative, serving as a critical advanced intermediate in modern synthetic chemistry. Its value lies in providing a versatile scaffold for constructing complex molecules, enabling the development of novel compounds with targeted properties. This product is essential for research and development teams in the pharmaceutical and agrochemical industries, where it is used to synthesize new active ingredients and fine chemicals.

Application

• Pharmaceutical Intermediate: A key building block for the synthesis of novel drug candidates, particularly in research targeting anti-inflammatory, analgesic, or other therapeutic small molecules.
• Agrochemical Research: Used in the development of new pesticides, herbicides, or fungicides, leveraging its heterocyclic core for bioactivity.
• Chemical Synthesis: Serves as a versatile precursor for further functionalization, enabling the creation of complex libraries for high-throughput screening.
• Material Science Research: Potential intermediate in the synthesis of specialty chemicals, dyes, or functional polymers requiring specific heterocyclic motifs.

Basic Information

Product Name	Methyl [5-Hydroxy-1-(4-Nitrophenyl)-1H-Pyrazol-3-Yl]Acetate
CAS No.	522637-91-8
Molecular Formula	C₁₂H₁₁N₃O₅
Molecular Weight	277.24 g/mol
Synonyms	Methyl 2-[5-hydroxy-1-(4-nitrophenyl)-1H-pyrazol-3-yl]acetate; 1-(4-Nitrophenyl)-5-hydroxy-1H-pyrazole-3-acetic acid methyl ester; 3-(Methoxycarbonylmethyl)-1-(4-nitrophenyl)-1H-pyrazol-5-ol; Methyl (5-hydroxy-1-(4-nitrophenyl)-1H-pyrazol-3-yl)acetate; 522637-91-8
EINECS	Contact for details

Quality Control

Our Methyl [5-Hydroxy-1-(4-Nitrophenyl)-1H-Pyrazol-3-Yl]Acetate is manufactured under strict quality management systems to ensure batch-to-batch consistency and high purity. Each lot is subjected to rigorous analytical testing, including HPLC, NMR, and mass spectrometry, to confirm identity and purity. A comprehensive Certificate of Analysis (COA) detailing all specifications is provided with every shipment to support your quality assurance and regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (typically 15-25°C). Keep away from incompatible materials such as strong oxidizing agents.

Specification

Item	Specification
Appearance	Off-white to light yellow crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Retention time matches reference standard
Purity (HPLC)	≥ 98.0%
Loss on Drying	≤ 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.