Description

1-Penten-3-One, 4-Hydroxy-2-Methyl- (9Ci) is a specialized organic compound with a unique structure combining ketone and hydroxyl functional groups. This chemical serves as a valuable intermediate and building block in advanced organic synthesis, enabling the creation of complex molecules. It is primarily sought by pharmaceutical, agrochemical, and fine chemical research and development teams for creating novel active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: A key synthon in the research and development of new active pharmaceutical ingredients (APIs), particularly for compounds requiring its specific chiral or functional group architecture.
• Agrochemical Synthesis: Used in the production of advanced pesticides, herbicides, and plant growth regulators where its reactive sites allow for structural diversification.
• Fine Chemical Production: Acts as a crucial building block for synthesizing flavors, fragrances, and other high-value specialty chemicals.
• Academic & Industrial Research: Employed in chemical research for studying reaction mechanisms, developing new synthetic methodologies, and creating novel polymeric or material science precursors.
• Chemical Reference Standard: Serves as a high-purity analytical standard for quality control and method development in analytical laboratories.

Basic Information

Product Name	1-Penten-3-One, 4-Hydroxy-2-Methyl- (9Ci)
CAS No.	308795-99-5
Molecular Formula	C6H10O2
Molecular Weight	114.14 g/mol
Synonyms	4-Hydroxy-2-methyl-1-penten-3-one; 4-Hydroxy-2-methylpent-1-en-3-one; 2-Methyl-4-hydroxy-1-penten-3-one; 1-Penten-3-one, 4-hydroxy-2-methyl-; (9CI) designation compound; Hydroxymethylpentenone; Potential trade names or research codes may apply. Contact for details.
EINECS	Contact for details

Quality Control

Our 1-Penten-3-One, 4-Hydroxy-2-Methyl- (9Ci) is produced under strict quality management systems. Each batch undergoes rigorous analytical testing to ensure identity, purity, and consistency. We provide comprehensive Certificates of Analysis (COA) detailing specifications such as assay (by HPLC or GC), identity confirmation (by IR/NMR), and impurity profiles. Our quality commitment supports applications requiring high-purity intermediates for research and regulated synthesis.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area. For long-term stability, storage at 2-8°C is recommended. Keep away from strong oxidizing agents and bases. Due to its functional groups, it may be hygroscopic and/or light-sensitive; handle and store under an inert atmosphere if specified for the specific grade.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (HPLC/GC)	≥95.0% (Typical 97-99%)
Water Content (KF)	≤0.5%
Related Substances (HPLC)	Individual impurity ≤1.0%; Total impurities ≤3.0%

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