Description

1-Ethyl-4-Hydroxy-2-Oxo-1,2-Dihydroquinoline-3-Carbohydrazide is a high-purity, specialized heterocyclic organic compound with the CAS number 74693-62-2. This chemical serves as a versatile and critical intermediate and building block in advanced organic synthesis, valued for its unique quinoline-hydrazide hybrid structure. It is primarily sought by research institutions and industrial manufacturers in the pharmaceutical and agrochemical sectors for the development of novel active ingredients.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of novel drug candidates, particularly those targeting anti-inflammatory, antimicrobial, or anticancer pathways.
• Agrochemical Research: Used in the development of new herbicides, fungicides, and plant growth regulators, leveraging its heterocyclic core.
• Organic Synthesis Building Block: Employed in complex organic reactions, including cyclizations and condensations, to create diverse chemical libraries for screening.
• Coordination Chemistry: Acts as a potential ligand for metal ions due to its multiple donor sites (hydroxy, carbonyl, hydrazide), useful in catalysis and material science.
• Dye & Pigment Intermediate: Serves as a starting material for synthesizing specialized quinoline-based dyes and functional colorants.

Basic Information

Product Name	1-Ethyl-4-Hydroxy-2-Oxo-1,2-Dihydroquinoline-3-Carbohydrazide
CAS No.	74693-62-2
Molecular Formula	C₁₃H₁₅N₃O₃
Molecular Weight	261.28 g/mol
Synonyms	4-Hydroxy-1-ethyl-2-oxo-1,2-dihydroquinoline-3-carbohydrazide; 1-Ethyl-4-hydroxy-2-oxo-1,2-dihydroquinoline-3-carboxylic acid hydrazide; 3-Carbohydrazido-1-ethyl-4-hydroxy-2(1H)-quinolinone; 1-Ethyl-4-hydroxy-2-oxo-1,2-dihydro-3-quinolinecarbohydrazide; EQCH; Contact for additional trade names and abbreviations.
EINECS	Contact for details

Quality Control

Our 1-Ethyl-4-Hydroxy-2-Oxo-1,2-Dihydroquinoline-3-Carbohydrazide is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing to ensure high purity and consistent composition. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles 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 (15-25°C). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed after each use to prevent degradation. For long-term storage, consider using an inert atmosphere to mitigate potential oxidation.

Specification

Item	Specification
Appearance	Off-white to light yellow crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 1.0%
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.