Description

Potassium 7-Nitro-2-Oxo-2H-Chromene-3-Carboxylate is a high-purity, synthetically valuable potassium salt of a functionalized coumarin derivative. This compound serves as a critical advanced pharmaceutical intermediate and a versatile building block in organic synthesis. It is primarily required by R&D chemists and manufacturers in the pharmaceutical, agrochemical, and specialty chemical industries for developing novel active compounds.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of complex drug molecules and active pharmaceutical ingredients (APIs), particularly those leveraging the coumarin scaffold.
• Organic Synthesis Building Block: Utilized in research and development for constructing more complex heterocyclic compounds via its reactive carboxylate and nitro groups.
• Agrochemical Research: Serves as an intermediate in the development of new crop protection agents and herbicides.
• Dye & Pigment Intermediate: Used in the synthesis of specialized dyes and fluorescent markers due to the chromene core structure.
• Material Science Research: Investigated as a monomer or additive for creating functional polymers and advanced materials.

Basic Information

Item	Detail
Product Name	Potassium 7-Nitro-2-Oxo-2H-Chromene-3-Carboxylate
CAS No.	1890299-47-4
Molecular Formula	C10H4KNO6
Molecular Weight	273.24 g/mol
Synonyms	Potassium 7-Nitro-2-oxo-2H-chromene-3-carboxylate; 7-Nitro-2-oxo-2H-chromene-3-carboxylic acid potassium salt; Potassium 7-nitro-2-oxochromene-3-carboxylate; 3-Carboxy-7-nitro-2H-chromen-2-one potassium salt; 7-Nitro-2-oxo-2H-1-benzopyran-3-carboxylic acid potassium salt; 7-Nitro-2-oxo-2H-chromene-3-carboxylate potassium; Potassium 7-nitro-2-oxo-2H-1-benzopyran-3-carboxylate
EINECS	Contact for details

Quality Control

Our Potassium 7-Nitro-2-Oxo-2H-Chromene-3-Carboxylate is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation, to ensure it meets exacting research and production-grade standards. A comprehensive Certificate of Analysis (COA) detailing all specifications is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (15-25°C). This material is hygroscopic (moisture-sensitive) and must be kept under dry, inert conditions to maintain stability and purity.

Specification

Item	Specification
Appearance	Yellow to orange crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Water Content (KF)	≤ 2.0%
Heavy Metals	≤ 20 ppm
Residue on Ignition	Conforms

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