Description

2H-Pyran-2-One, 5-(1-Hydroxy-2-Butenyl)-4-Methoxy-6-Methyl-, (E)-(+)- is a high-purity, optically active lactone derivative with a complex molecular structure. This compound is valued for its role as a critical chiral building block and intermediate in advanced organic synthesis. It is primarily sought after by research institutions and manufacturers in the pharmaceutical, agrochemical, and fine chemical industries for developing novel active ingredients and specialty materials.

Application

• Pharmaceutical Intermediate: Serves as a key chiral precursor in the synthesis of potential drug candidates, particularly for complex molecules requiring specific stereochemistry.
• Agrochemical Synthesis: Used in the research and development of new pesticides, herbicides, and plant growth regulators where its unique structure imparts specific biological activity.
• Fine Chemical Production: Acts as a versatile building block for creating specialty chemicals, flavors, fragrances, and advanced materials.
• Academic & Industrial Research: Employed in organic chemistry research for methodological studies, catalysis development, and exploring new reaction pathways involving lactones and unsaturated compounds.
• Asymmetric Synthesis: Utilized as a starting material or intermediate in asymmetric synthesis protocols to construct molecules with high enantiomeric purity.

Basic Information

Product Name	2H-Pyran-2-One, 5-(1-Hydroxy-2-Butenyl)-4-Methoxy-6-Methyl-, (E)-(+)-
CAS No.	94474-69-8
Molecular Formula	C11H16O4
Molecular Weight	212.24 g/mol
Synonyms	(E)-(+)-5-(1-Hydroxybut-2-en-1-yl)-4-methoxy-6-methyl-2H-pyran-2-one; (E)-(+)-4-Methoxy-6-methyl-5-(1-hydroxy-2-butenyl)-2H-pyran-2-one; (+)-Altholactone; Goniothalamin oxide (related derivative); Unsaturated δ-lactone derivative; Optically active pyranone; Contact for additional synonyms.
EINECS	Contact for details

Quality Control

Our 2H-Pyran-2-One, 5-(1-Hydroxy-2-Butenyl)-4-Methoxy-6-Methyl-, (E)-(+)- is produced under strict quality management protocols. Each batch undergoes rigorous analytical testing, including chiral purity assessment by HPLC, to ensure it meets the high standards required for research and synthesis. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and enantiomeric excess 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 a controlled room temperature (typically 15-25°C). This compound may be light-sensitive and should be handled under an inert atmosphere for long-term storage to preserve stability.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Enantiomeric Purity (Chiral HPLC)	≥ 98.0% ee
Melting Point	Contact for details
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.