Description

1,6,7,7A-Tetrahydro-4,7A-Dimethyl-3-(2-Methyl-1,3-Butadienyl)-5(3H)-Isobenzofuranone CAS NO 17928-78-8 is a specialized sesquiterpene lactone derivative, a high-value intermediate prized for its unique bicyclic structure and functional groups. This compound is critical for advanced organic synthesis, particularly in the development of novel fragrance molecules and complex natural product analogs. It serves as a key building block for R&D chemists and production specialists in the flavor & fragrance, pharmaceutical, and fine chemical industries seeking to create sophisticated olfactory profiles or bioactive compounds.

Application

• Fragrance & Flavor Intermediate: A crucial precursor for synthesizing complex amber, woody, and musk odorants in premium perfumery and flavor creation.
• Pharmaceutical Research: Serves as a sophisticated scaffold or intermediate in medicinal chemistry for the development of new therapeutic agents, leveraging its sesquiterpene core.
• Fine Chemical Synthesis: Used as a versatile chiral building block in multi-step organic syntheses to construct complex molecular architectures.
• Natural Product Analog Production: Enables the semi-synthesis or total synthesis of natural product derivatives for biological evaluation and material science applications.
• Aroma Chemical Manufacturing: Integral in the production of high-value specialty aroma chemicals where its specific structural motif imparts unique olfactory characteristics.

Basic Information

Product Name	1,6,7,7A-Tetrahydro-4,7A-Dimethyl-3-(2-Methyl-1,3-Butadienyl)-5(3H)-Isobenzofuranone
CAS No.	17928-78-8
Molecular Formula	C₁₅H₂₀O₂
Molecular Weight	232.32 g/mol
Synonyms	3-(3-Methylbut-2-en-1-yl)-4,7a-dimethyl-1,6,7,7a-tetrahydro-5H-isobenzofuran-5-one; 3-(3-Methyl-2-buten-1-yl)-4,7a-dimethyl-1,6,7,7a-tetrahydro-5H-isobenzofuran-5-one; 3-(3-Methylbut-2-enyl)-4,7a-dimethyl-1,6,7,7a-tetrahydroisobenzofuran-5-one; 3-(2-Methyl-1,3-butadienyl)-4,7a-dimethyl-1,6,7,7a-tetrahydro-5H-isobenzofuran-5-one; 3-(3-Methyl-2-butenyl)-4,7a-dimethyl-1,6,7,7a-tetrahydro-5H-isobenzofuran-5-one; 3-(3-Methylbut-2-enyl)-4,7a-dimethyl-1,6,7,7a-tetrahydro-5H-isobenzofuran-5-one; 4,7a-Dimethyl-3-(3-methyl-2-butenyl)-1,6,7,7a-tetrahydro-5H-isobenzofuran-5-one
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Quality Control

Our production of 1,6,7,7A-Tetrahydro-4,7A-Dimethyl-3-(2-Methyl-1,3-Butadienyl)-5(3H)-Isobenzofuranone adheres to stringent quality management protocols. Each batch undergoes rigorous analytical testing, including chromatographic purity assays and structural confirmation, to ensure consistency and compliance with customer specifications. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are provided with every shipment to guarantee traceability and support your quality assurance processes.

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. For long-term storage, consider an inert atmosphere to maintain optimal stability.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid or low-melting solid
Identification (IR)	Conforms to reference spectrum
Assay (HPLC)	≥ 95.0% (Typical 97.0 - 99.0%)
Purity (GC)	≥ 95.0%
Water Content (KF)	≤ 0.5%

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