Description

2,3,8-Trimethyl-4H-1-Benzopyran-4,7(8H)-Dione is a specialized organic compound belonging to the benzopyranone class, characterized by its distinct trimethyl-substituted structure. This compound is valued as a key synthetic intermediate and building block in advanced organic synthesis, offering precise molecular architecture for complex chemical transformations. It is primarily utilized by research institutions and industrial R&D departments in the pharmaceutical, agrochemical, and fine chemical sectors for developing novel active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: Serves as a crucial precursor in the synthesis of novel drug candidates and active pharmaceutical ingredients (APIs), particularly for compounds with benzopyran-based scaffolds.
• Agrochemical Research: Used in the development and optimization of new pesticides, herbicides, and plant growth regulators where the benzopyranone core is a key pharmacophore.
• Fine Chemical Synthesis: Acts as a versatile building block for creating complex molecules, dyes, pigments, and specialty chemicals in research and pilot-scale production.
• Material Science: Investigated for potential applications in the development of organic electronic materials, photoresists, and advanced polymers.
• Academic & Industrial R&D: Employed in chemical research for studying reaction mechanisms, developing new synthetic methodologies, and exploring structure-activity relationships (SAR).

Basic Information

Product Name	2,3,8-Trimethyl-4H-1-Benzopyran-4,7(8H)-Dione
CAS No.	123421-05-6
Molecular Formula	C₁₂H₁₂O₃
Molecular Weight	204.22 g/mol
Synonyms	2,3,8-Trimethyl-4H-chromene-4,7-dione; 2,3,8-Trimethyl-4H-1-benzopyran-4,7-dione; 4H-1-Benzopyran-4,7(8H)-dione, 2,3,8-trimethyl-; 2,3,8-Trimethylchromone-4,7-dione; 2,3,8-Trimethyl-7,8-dihydro-4H-chromene-4,7-dione; 2,3,8-Trimethyl-4H-chromen-4,7-dione
EINECS	Contact for details

Quality Control

Our 2,3,8-Trimethyl-4H-1-Benzopyran-4,7(8H)-Dione is manufactured under strict quality control protocols to ensure batch-to-batch consistency and high purity. All products undergo rigorous analytical testing, including HPLC, GC, and NMR, to verify identity, potency, and impurity profiles. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing all relevant specifications. Our quality management system is designed to meet the stringent requirements of research and development applications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at controlled room temperature (15-25°C). Keep away from heat, sparks, and open flame. Due to its light-sensitive nature, the container should be opaque or stored in a dark place.

Specification

Item	Specification
Appearance	Off-white to light yellow crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 20 ppm

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