

share
5,6-Heptadien-2-One, 3-Methylene- (9Ci) CAS NO 42809-45-0
Unit Price:
CAS No.:42809-45-0
Grade:Pharmacy Grade
Content:99.9%
Brand:Customizable
Packaging:Customizable
Description
5,6-Heptadien-2-One, 3-Methylene- (9Ci) is a specialized aliphatic dienone compound with a unique conjugated system, identified by CAS number 42809-45-0. This chemical serves as a valuable synthetic intermediate and building block in advanced organic synthesis, prized for its reactive diene and ketone functionalities. It is primarily needed by research chemists and process development scientists in the pharmaceutical, agrochemical, and specialty chemical industries for constructing complex molecular architectures.
Application
- Pharmaceutical Intermediate: Used in the synthesis of active pharmaceutical ingredients (APIs) and complex heterocyclic compounds via Diels-Alder and other cycloaddition reactions.
- Agrochemical Synthesis: Serves as a key precursor for developing novel pesticides, herbicides, and plant growth regulators.
- Fine Chemical Production: Acts as a versatile building block for manufacturing flavors, fragrances, and advanced material precursors.
- Academic & Industrial Research: Employed in methodological development and exploration of new organic reaction pathways in R&D laboratories.
- Polymer Chemistry: Can be utilized as a monomer or cross-linking agent in the development of specialty polymers with tailored properties.
Basic Information
| Product Name | 5,6-Heptadien-2-One, 3-Methylene- (9Ci) |
| CAS No. | 42809-45-0 |
| Molecular Formula | C8H10O |
| Molecular Weight | 122.16 g/mol |
| Synonyms | 3-Methylene-5,6-heptadien-2-one; 5,6-Heptadien-2-one, 3-methylene-; 3-Methylenhepta-5,6-dien-2-on; Heptadienone derivative; Allenic ketone intermediate; Conjugated dienone building block |
| EINECS | Contact for details |
Quality Control
Our 5,6-Heptadien-2-One, 3-Methylene- (9Ci) is produced under strict quality management protocols. Each batch undergoes comprehensive analytical testing including chromatography (HPLC, GC) and spectroscopic analysis (NMR, IR) to ensure identity, purity, and consistency. Certificates of Analysis (COA) detailing all critical parameters are available upon request, supporting your quality assurance and regulatory compliance needs.
Storage
Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at controlled room temperature (15-25°C). Keep away from heat, sparks, and open flame. This material is light-sensitive (store away from light) and may be sensitive to prolonged exposure to air.
Specification
| Item | Specification |
|---|---|
| Appearance | Colorless to pale yellow liquid |
| Identification (IR) | Conforms to structure |
| Purity (GC/HPLC) | ≥ 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.
Hot Related Products


3-Bromo-2-Butanone CAS NO 814-75-5


2-Methyl-3-Pentanone CAS NO 565-69-5


7-Hexadecanone CAS NO 45206-91-5


1-Benzyl-4-Methylpiperidin-3-One CAS NO 32018-96-5


2-Bromo-1-Phenylhexan-1-One CAS NO 59774-06-0


5-Diethylamino-2-Pentanone CAS NO 105-14-6


Allylacetone CAS NO 109-49-9


(Z)-12-Henicosene-2,4-Dione CAS NO 112-09-4


4-Heptanone CAS NO 123-19-3


Dimedone CAS NO 126-81-8


Tetrahydrothiophen-3-One CAS NO 1003-04-9


1,4-Cyclooctadiene-3-One CAS NO 1073-76-3


Dicyclopropyl Ketone CAS NO 1121-37-5


1-Acetylcyclohexanol CAS NO 1123-27-9


1-Cyclohexyl-2-Methylpropan-1-One CAS NO 1125-71-9


2-Oxocyclohexanecarbaldehyde CAS NO 1193-63-1


2,2,9,9-Tetramethyl-3,8-Decanedione CAS NO 1490-36-4


3-Tridecanone CAS NO 1534-26-5


3-Dodecanone CAS NO 1534-27-6


3-n-Propyl-2,4-Pentanedione CAS NO 1540-35-8
Why choose US
Trusted Manufacturer
With our own production facilities, we ensure consistent quality, reliable supply, and full traceability.
Rigorous Quality Assurance
Each batch undergoes strict QC, accompanied by COA, MSDS, and full compliance with international standards.
Advanced R&D Expertise
Our in-house lab drives process innovation, new product development, and tailored synthesis solutions.





