Description

Expansolideb is a specialized chemical compound identified by CAS No. 129311-85-9. This product is valued for its unique functional properties, making it a critical intermediate or active component in advanced synthesis and formulation processes. It is primarily sought by manufacturers in the pharmaceutical, agrochemical, and specialty chemical industries for research, development, and production applications.

Application

• As a key intermediate in the synthesis of complex pharmaceutical active ingredients (APIs).
• In agrochemical research for developing novel crop protection agents and plant growth regulators.
• As a building block for specialty polymers and advanced material science applications.
• Utilized in flavor and fragrance chemistry to create unique aromatic compounds.
• In organic synthesis laboratories for methodological studies and the production of fine chemicals.
• As a standard or reference material for analytical testing and quality control procedures.

Basic Information

Product Name	Expansolideb
CAS No.	129311-85-9
Molecular Formula	Contact for details
Molecular Weight	Contact for details
Synonyms	Expansolide B; 129311-85-9; Expansolide-B; (3aR,4S,5R,6aS)-5-[(1S)-1-Hydroxyethyl]-4-methyl-3a,4,5,6a-tetrahydro-3H-cyclopenta[b]furan-2-one; 2(3H)-Furanone, dihydro-3a,4,5,6a-tetrahydro-5-[(1S)-1-hydroxyethyl]-4-methyl-, (3aR,4S,5R,6aS)-
EINECS	Contact for details

Quality Control

Our Expansolideb is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing to ensure identity, purity, and consistency. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing key parameters such as assay and impurity profiles. Our quality commitment supports applications requiring high standards, including pharmaceutical development.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at controlled room temperature (typically 15-25°C). Due to its light-sensitive and easily oxidized nature, it is recommended to store the product under an inert atmosphere (e.g., nitrogen or argon) for long-term stability. Keep away from heat, sparks, and open flames.

Specification

Item	Specification
Appearance	White to off-white solid
Identification (IR)	Conforms to reference standard
Assay (HPLC)	≥ 98.0%
Related Substances (HPLC)	Total impurities ≤ 2.0%
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%

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