Description

2-Methylpropanoic Acid (4S)-4,4A,5,6,7,8,8Aβ,9-Octahydro-5α-Hydroxy-3,4Aβ,5-Trimethyl-9-Oxonaphtho[2,3-B]Furan-4β-Yl Ester is a high-purity, complex organic ester with a defined stereochemistry, serving as a critical advanced intermediate in sophisticated chemical synthesis. Its precise molecular architecture makes it a valuable building block for research and development in the pharmaceutical and fine chemical sectors. This compound is essential for scientists and process chemists developing novel active pharmaceutical ingredients (APIs), agrochemicals, and other high-value specialty chemicals.

Application

• Pharmaceutical Intermediate: Key chiral synthon in the research and development of novel therapeutic agents and active pharmaceutical ingredients (APIs).
• Fine Chemical Synthesis: Used as a specialized building block for constructing complex molecules in advanced organic chemistry.
• Agrochemical Research: Intermediate in the development of new pesticides, herbicides, or plant growth regulators with specific stereochemical requirements.
• Academic & Industrial R&D: Serves as a reference standard or starting material for methodological studies in synthetic chemistry and catalysis.
• Material Science Precursor: Potential use in the synthesis of specialized polymers or liquid crystals where specific steric and electronic properties are needed.

Basic Information

Product Name	2-Methylpropanoic Acid (4S)-4,4A,5,6,7,8,8Aβ,9-Octahydro-5α-Hydroxy-3,4Aβ,5-Trimethyl-9-Oxonaphtho[2,3-B]Furan-4β-Yl Ester
CAS No.	53820-31-8
Molecular Formula	C23H34O5
Molecular Weight	390.52 g/mol
Synonyms	(4S,4aS,5R,8aR)-5-Hydroxy-4a,5-dimethyl-3-(2-methylpropanoyloxy)-4,4a,5,6,7,8,8a,9-octahydronaphtho[2,3-b]furan-9-one; 2-Methylpropanoic Acid (4S,4aS,5R,8aR)-5-Hydroxy-4a,5-dimethyl-9-oxo-4,4a,5,6,7,8,8a,9-octahydronaphtho[2,3-b]furan-4-yl Ester; Gibberellin A4 Isovalerate; GA4 Isovalerate; Gibberellin A4 4-O-Isovalerate; (4S)-4,4a,5,6,7,8,8aβ,9-Octahydro-5α-hydroxy-3,4aβ,5-trimethyl-9-oxonaphtho[2,3-b]furan-4β-yl 2-methylpropanoate
EINECS	Contact for details

Quality Control

Our 2-Methylpropanoic Acid (4S)-4,4A,5,6,7,8,8Aβ,9-Octahydro-5α-Hydroxy-3,4Aβ,5-Trimethyl-9-Oxonaphtho[2,3-B]Furan-4β-Yl Ester is produced under strict quality management systems. Each batch undergoes comprehensive analytical testing, including chiral purity assessment, to ensure it meets the exacting standards required for advanced synthetic applications. A detailed Certificate of Analysis (COA) confirming identity, purity, and impurity profile 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 controlled room temperature (15-25°C). The product should be kept under an inert atmosphere for long-term storage to maintain stability.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Chiral Purity (Chiral HPLC)	≥ 99.0% ee
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Single Unknown Impurity (HPLC)	≤ 0.5%
Total Impurities (HPLC)	≤ 2.0%

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