Description

(E)-n-(5-Bromo-2-Hydroxybenzylidene)-3-(Thiophen-2-Yl)-1H-Pyrazole-5-Carbohydrazide is a high-purity, advanced organic intermediate with a complex heterocyclic structure. This compound is valued for its role as a key building block in the synthesis of novel pharmacologically active molecules and functional materials. It is primarily sought by research institutions and industrial R&D departments in the pharmaceutical, agrochemical, and material science sectors for developing new active ingredients and specialty chemicals.

Application

• Pharmaceutical Intermediate: Serves as a critical precursor in the research and development of new drug candidates, particularly for targeted therapies.
• Agrochemical Research: Used in the synthesis of novel active ingredients for crop protection products, such as herbicides and fungicides.
• Material Science: Acts as a building block for creating advanced organic materials, including organic semiconductors and liquid crystals.
• Chemical Biology Probes: Utilized in the design and synthesis of molecular probes for studying biological processes and enzyme inhibition.
• Coordination Chemistry: Functions as a versatile ligand for metal complexes in catalysis and sensor development due to its multiple donor sites.
• Academic & Industrial R&D: Essential for exploratory chemistry in universities and corporate laboratories for novel compound libraries.

Basic Information

Product Name	(E)-n-(5-Bromo-2-Hydroxybenzylidene)-3-(Thiophen-2-Yl)-1H-Pyrazole-5-Carbohydrazide
CAS No.	306758-76-9
Molecular Formula	C₁₅H₁₁BrN₄O₂S
Molecular Weight	407.24 g/mol
Synonyms	(E)-N'-(5-Bromo-2-hydroxybenzylidene)-3-(thiophen-2-yl)-1H-pyrazole-5-carbohydrazide; 5-Bromo-2-hydroxybenzaldehyde (3-(thiophen-2-yl)-1H-pyrazole-5-carbonyl)hydrazone; 306758-76-9; (E)-N-((5-Bromo-2-hydroxyphenyl)methylene)-3-(2-thienyl)-1H-pyrazole-5-carbohydrazide; 3-(Thiophen-2-yl)-1H-pyrazole-5-carboxylic acid (5-bromo-2-hydroxybenzylidene)hydrazide; (E)-N-(5-Bromo-2-hydroxybenzylidene)-3-(2-thienyl)-1H-pyrazole-5-carbohydrazide
EINECS	Contact for details

Quality Control

Our (E)-n-(5-Bromo-2-Hydroxybenzylidene)-3-(Thiophen-2-Yl)-1H-Pyrazole-5-Carbohydrazide is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation via spectroscopic methods, to ensure it meets the high standards required for research and development applications. Certificates of Analysis (COA) detailing batch-specific results are provided with every shipment and are available upon request.

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). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed after each use to prevent degradation from atmospheric moisture. Keep away from incompatible materials.

Specification

Item	Specification
Appearance	Off-white to light yellow crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.5%
Heavy Metals (as Pb)	≤ 20 ppm

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