Description

3-Penten-2-One, 5-Methoxy-, (E)- (9Ci) CAS NO 59376-65-7 is a specialized organic compound belonging to the class of α,β-unsaturated ketones with a methoxy substituent. This chemical serves as a valuable building block and intermediate in advanced organic synthesis, prized for its defined stereochemistry and reactive carbonyl group. It is primarily sought after by pharmaceutical R&D and fine chemical manufacturers for the development of complex molecules, including active pharmaceutical ingredients (APIs) and specialty agrochemicals.

Application

• Pharmaceutical Intermediate: A key chiral synthon in the synthesis of complex drug molecules and active pharmaceutical ingredients (APIs).
• Agrochemical Synthesis: Used in the research and production of advanced pesticides, herbicides, and plant growth regulators.
• Flavor & Fragrance Ingredient: Serves as a precursor for creating specific olfactory compounds in high-value perfumery and flavoring agents.
• Organic Synthesis Reagent: Employed in academic and industrial laboratories for Michael additions, cyclization reactions, and other C-C bond forming processes.
• Material Science Research: Investigated as a monomer or cross-linking agent in the development of novel polymeric materials.

Basic Information

Product Name	3-Penten-2-One, 5-Methoxy-, (E)- (9Ci)
CAS No.	59376-65-7
Molecular Formula	C6H10O2
Molecular Weight	114.14 g/mol
Synonyms	(E)-5-Methoxy-3-penten-2-one; trans-5-Methoxy-3-penten-2-one; 5-Methoxy-3-penten-2-one, (E)-; 3-Penten-2-one, 5-methoxy-, (E)-; 5-Methoxypent-3-en-2-one; (E)-5-Methoxypent-3-en-2-one; (E)-1-Methoxy-4-penten-3-one; 3-Penten-2-one, 5-methoxy-, (5E)-
EINECS	Contact for details

Quality Control

Our 3-Penten-2-One, 5-Methoxy-, (E)- is produced under strict quality management protocols. Each batch undergoes comprehensive analytical testing, including HPLC for purity and GC/MS for identity confirmation, to ensure it meets the stringent requirements of our clients in research and manufacturing. Certificates of Analysis (COA) detailing purity, isomer content, and impurity profiles are available upon request and provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at a controlled room temperature (15-25°C). Keep away from heat, sparks, and open flame. The container should be kept tightly sealed when not in use to prevent degradation.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (by GC/HPLC)	≥ 97.0%
(E)-Isomer Content	≥ 95.0%
Water Content (KF)	≤ 0.5%

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