Description

2H-Pyran-2-One, 4-(2Z)-2-Butenyl-5,6-Dihydro- (9Ci) is a specialized dihydropyranone derivative, a key structural motif in organic synthesis. This compound matters as a versatile chiral building block and intermediate for creating complex molecules with high stereochemical purity. It is primarily needed by research chemists and process development scientists in the pharmaceutical and agrochemical industries for the synthesis of active ingredients and novel chemical entities.

Application

• Pharmaceutical Intermediate: Serves as a crucial precursor in the synthesis of chiral drug candidates, particularly those containing lactone or fused heterocyclic ring systems.
• Agrochemical Synthesis: Used in the research and development of novel pesticides and herbicides, leveraging its reactive dihydropyranone core.
• Flavor & Fragrance Chemistry: Acts as an intermediate for the production of complex aroma chemicals and natural product analogs.
• Material Science Research: Investigated as a monomer or building block for specialized polymers and advanced organic materials.
• Academic & R&D: Employed in methodological studies and as a standard in asymmetric synthesis and catalysis research.
• Fine Chemical Production: Utilized in custom synthesis and contract manufacturing for high-value, low-volume specialty chemicals.

Basic Information

Product Name	2H-Pyran-2-One, 4-(2Z)-2-Butenyl-5,6-Dihydro- (9Ci)
CAS No.	507470-46-4
Molecular Formula	C9H12O2
Molecular Weight	152.19 g/mol
Synonyms	4-[(2Z)-But-2-en-1-yl]-5,6-dihydro-2H-pyran-2-one; 4-(2Z-Butenyl)-5,6-dihydro-2H-pyran-2-one; (Z)-4-(But-2-en-1-yl)dihydro-2H-pyran-2-one; 5,6-Dihydro-4-[(2Z)-2-butenyl]-2H-pyran-2-one; Dihydro-4-(2-butenyl)-2H-pyran-2-one (Z-isomer); CAS 507470-46-4
EINECS	Contact for details

Quality Control

Our 2H-Pyran-2-One, 4-(2Z)-2-Butenyl-5,6-Dihydro- (9Ci) is produced under strict quality management protocols. Each batch undergoes rigorous analytical testing, including HPLC, GC, and NMR, to ensure identity, purity, and consistency. Certificates of Analysis (COA) detailing batch-specific results are available upon request, supporting your quality assurance and regulatory documentation needs.

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). Keep away from heat, sparks, and open flame. For long-term storage, consider an inert atmosphere to preserve stability.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 95.0%
Isomeric Purity (Z-isomer, GC)	≥ 98.0%
Water Content (KF)	≤ 0.5%

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