Description

2(3H)-Furanone, 3-Acetyldihydro-4,4,5-Trimethyl-, trans- (9Ci) is a specialized lactone derivative with a unique structural framework, identified by CAS number 136814-11-4. This compound serves as a valuable intermediate and building block in advanced organic synthesis, enabling the creation of complex molecular architectures. It is primarily sought by pharmaceutical research, agrochemical development, and fine chemical synthesis sectors for its utility in constructing heterocyclic compounds and active ingredients.

Application

• Pharmaceutical Intermediate: A key chiral synthon for the research and development of novel active pharmaceutical ingredients (APIs), particularly in therapeutic areas requiring complex lactone or furanone motifs.
• Agrochemical Synthesis: Used in the production of advanced crop protection agents and pesticides, where its specific stereochemistry can influence biological activity.
• Fine Chemical Manufacturing: Serves as a versatile precursor for flavors, fragrances, and other high-value specialty chemicals requiring precise molecular control.
• Academic & Industrial Research: Employed in methodological studies, catalysis research, and the exploration of new synthetic pathways in organic chemistry.
• Material Science Precursor: Potential use in the synthesis of specialized polymers or functional materials with tailored properties.

Basic Information

Item	Details
Product Name	2(3H)-Furanone, 3-Acetyldihydro-4,4,5-Trimethyl-, trans- (9Ci)
CAS No.	136814-11-4
Molecular Formula	C9H14O3
Molecular Weight	170.21 g/mol
Synonyms	trans-3-Acetyldihydro-4,4,5-trimethyl-2(3H)-furanone; 4,4,5-Trimethyl-3-acetyldihydro-2(3H)-furanone; Dihydro-4,4,5-trimethyl-3-acetyl-2(3H)-furanone; 3-Acetyl-4,4,5-trimethyldihydrofuran-2(3H)-one; (3R,5R)-3-Acetyl-4,4,5-trimethyldihydrofuran-2(3H)-one (if stereospecific); 136814-11-4; Lactone derivative of 3-acetyl-4,4,5-trimethyl-dihydrofuran-2-one.
EINECS	Contact for details

Quality Control

Our 2(3H)-Furanone, 3-Acetyldihydro-4,4,5-Trimethyl-, trans- (9Ci) is produced under stringent quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, GC, NMR, and chiral purity analysis, to ensure it meets precise specifications for research and industrial use. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every shipment to guarantee traceability and consistency.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area. Recommended storage temperature is between 2°C and 8°C for long-term stability, although the product is stable at controlled room temperature (15-25°C) for shorter periods. Keep away from strong bases and incompatible materials. Handle and store under an inert atmosphere if prolonged storage is required.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (NMR)	Conforms to structure
Assay (HPLC)	≥ 97.0%
Chiral Purity (Chiral HPLC)	≥ 98.0% de (trans-isomer)
Water Content (KF)	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 10 ppm

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