Description

Ascolactone CAS NO 757995-43-0 is a high-purity, specialized lactone compound identified by the CAS number 757995-43-0. This chemical serves as a critical advanced intermediate in the synthesis of complex molecules, offering significant value in research and development for novel active ingredients. It is primarily sought by professionals in the pharmaceutical, agrochemical, and fine chemical industries for applications requiring precise molecular scaffolds and chiral building blocks.

Application

• Pharmaceutical Intermediate: A key chiral building block in the research and synthesis of new active pharmaceutical ingredients (APIs), particularly for complex, biologically active molecules.
• Agrochemical Synthesis: Used in the development of advanced crop protection agents and herbicides, where its specific lactone structure contributes to desired biological activity.
• Fine Chemical Production: Serves as a versatile precursor in the manufacture of specialty chemicals, flavors, and fragrances requiring high stereochemical purity.
• Material Science Research: Investigated as a monomer or modifying agent for the development of novel biodegradable polymers and advanced materials.
• Academic & Industrial R&D: A valuable compound for methodological studies in organic synthesis, catalysis, and process chemistry within research laboratories.

Basic Information

Product Name	Ascolactone
CAS No.	757995-43-0
Molecular Formula	Contact for details
Molecular Weight	Contact for details
Synonyms	757995-43-0; Ascolactone; (3aR,4S,7R,7aS)-Hexahydro-4,7-epoxyisobenzofuran-1(3H)-one; 4,7-Epoxyisobenzofuran-1(3H)-one, hexahydro-, (3aR,4S,7R,7aS)-; 1(3H)-Isobenzofuranone, hexahydro-4,7-epoxy-, (3aR,4S,7R,7aS)-
EINECS	Contact for details

Quality Control

Every batch of Ascolactone (CAS 757995-43-0) is manufactured and tested under a strict quality management system. Our products undergo rigorous analytical testing, including HPLC and chiral analysis, to ensure compliance with exacting purity and identity specifications. A comprehensive Certificate of Analysis (COA) detailing purity, chiral excess, and impurity profiles is provided with each shipment to guarantee traceability and consistency for your critical applications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (typically 15-25°C). Keep away from incompatible materials such as strong bases and oxidizing agents. For long-term storage, consider an inert atmosphere to maintain optimal 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
Related Substances (HPLC)	Total impurities ≤ 2.0%
Residual Solvents (GC)	Complies with ICH guidelines
Loss on Drying	≤ 0.5%

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