Description

1,3-Isobenzofurandione, 6-Ethyl-3a,4,7,7a-Tetrahydro-4,5-Dimethyl- is a specialized organic compound belonging to the class of substituted isobenzofurandiones. This high-purity intermediate is critical for advanced organic synthesis, offering a unique molecular scaffold for constructing complex chemical architectures. It is primarily sought after by research institutions and industrial R&D departments in the pharmaceutical and agrochemical sectors for the development of novel active ingredients.

Application

• Pharmaceutical Intermediate: Serves as a key building block in the synthesis of novel drug candidates, particularly in medicinal chemistry research.
• Agrochemical Synthesis: Used in the development of advanced pesticides, herbicides, and plant growth regulators.
• Material Science Research: Acts as a precursor for specialty polymers, resins, and advanced organic materials with specific functional properties.
• Organic Synthesis Reagent: Employed in academic and industrial laboratories for complex multi-step synthesis and methodology development.
• Fine Chemical Production: Utilized in the manufacture of high-value, low-volume specialty chemicals for various industrial applications.

Basic Information

Item	Details
Product Name	1,3-Isobenzofurandione, 6-Ethyl-3a,4,7,7a-Tetrahydro-4,5-Dimethyl-
CAS No.	821769-13-5
Molecular Formula	C12H16O3
Molecular Weight	208.25 g/mol
Synonyms	6-Ethyl-3a,4,7,7a-tetrahydro-4,5-dimethyl-1,3-isobenzofurandione; 4,5-Dimethyl-6-ethyl-3a,4,7,7a-tetrahydroisobenzofuran-1,3-dione; Substituted Tetrahydrophthalic Anhydride Derivative; 6-Ethyl-4,5-dimethyl-3a,4,7,7a-tetrahydro-1H-isoindole-1,3(2H)-dione (alternative naming); ETD-THP Anhydride (abbrev.); 821769-13-5; CAS 821769-13-5
EINECS	Contact for details

Quality Control

Our production of 1,3-Isobenzofurandione, 6-Ethyl-3a,4,7,7a-Tetrahydro-4,5-Dimethyl- adheres to stringent quality management protocols. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation via spectroscopic methods, to ensure it meets exacting research and development grade specifications. A detailed Certificate of Analysis (COA) is provided with every shipment, documenting critical parameters such as assay purity and impurity profiles.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at controlled room temperature (15-25°C). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed to prevent degradation from atmospheric moisture. Keep away from incompatible materials.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 97.0%
Water Content (KF)	≤ 1.0%
Residue on Ignition	≤ 0.1%
Single Maximum Impurity (HPLC)	≤ 1.0%
Total Impurities (HPLC)	≤ 3.0%

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