

share
2-Benzyl-4,4,4-Trifluoro-3-Oxobutyric Acid Ethyl Ester CAS NO 118642-72-1
Unit Price:
CAS No.:118642-72-1
Grade:Pharmacy Grade
Content:99.9%
Brand:Customizable
Packaging:Customizable
Description
2-Benzyl-4,4,4-Trifluoro-3-Oxobutyric Acid Ethyl Ester is a versatile fluorinated β-ketoester building block of significant importance in advanced organic synthesis. Its core value lies in its trifluoromethyl group and active methylene unit, which enable its use as a key precursor for constructing complex, fluorine-containing heterocycles and pharmaceuticals. This high-purity intermediate is essential for research and development chemists in the pharmaceutical, agrochemical, and specialty chemical industries seeking to incorporate the unique physicochemical properties of fluorine into novel molecules.
Application
- Pharmaceutical Intermediate: Serves as a critical precursor in the synthesis of fluorinated active pharmaceutical ingredients (APIs), particularly for central nervous system (CNS) agents and anti-inflammatory drugs.
- Agrochemical Synthesis: Used in the development of novel herbicides and pesticides, where the trifluoromethyl group enhances biological activity and metabolic stability.
- Fluorinated Heterocycle Construction: A key starting material for synthesizing fluorinated pyrazoles, isoxazoles, and other nitrogen-containing heterocycles via cyclocondensation reactions.
- Material Science Research: Employed in the development of fluorinated organic compounds for advanced materials, including liquid crystals and polymers with tailored properties.
- Cross-Coupling Reactions: Acts as a substrate in palladium-catalyzed cross-coupling reactions to create more complex, fluorinated molecular architectures.
- Academic & R&D Laboratories: A valuable reagent for methodological studies in fluorine chemistry and the exploration of new synthetic pathways.
Basic Information
| Product Name | 2-Benzyl-4,4,4-Trifluoro-3-Oxobutyric Acid Ethyl Ester |
| CAS No. | 118642-72-1 |
| Molecular Formula | C₁₃H₁₃F₃O₃ |
| Molecular Weight | 274.24 g/mol |
| Synonyms | Ethyl 2-Benzyl-4,4,4-trifluoro-3-oxobutanoate; 4,4,4-Trifluoro-2-benzyl-3-oxobutyric Acid Ethyl Ester; 2-Benzyl-4,4,4-trifluoroacetoacetic Acid Ethyl Ester; Ethyl (Benzyl)(trifluoroacetyl)acetate; 3-Oxo-2-benzyl-4,4,4-trifluorobutanoic Acid Ethyl Ester; TFAA Benzyl Ester; 118642-72-1 |
| EINECS | Contact for details |
Quality Control
Our 2-Benzyl-4,4,4-Trifluoro-3-Oxobutyric Acid Ethyl Ester is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, GC, NMR, and IR spectroscopy, to ensure high chemical purity and identity confirmation. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing all specified parameters. Our production adheres to cGMP guidelines where applicable, ensuring consistency and reliability for critical R&D and scale-up processes.
Storage
Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). Keep away from strong oxidizing agents, strong bases, and sources of ignition. For long-term storage, consider storing under an inert atmosphere to maintain optimal purity.
Specification
| Item | Specification |
|---|---|
| Appearance | Colorless to pale yellow liquid |
| Identification (IR) | Conforms to structure |
| Purity (HPLC) | ≥ 98.0% |
| Water Content (KF) | ≤ 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.
Hot Related Products


1,12-Dodecanediol Dimethacrylate CAS NO 72829-09-5


Triethyl Methanetricarboxylate CAS NO 6279-86-3


Ethyl Acetoacetate Propylene Glycol Ketal CAS NO 6290-17-1


Ethyl Methyl Oxalate CAS NO 615-52-1


Methyl 2-Methoxy-5-(Ethylsulfonyl)Benzoate CAS NO 62140-67-4


Ethyl Bromofluoroacetate CAS NO 401-55-8


Methyl 4-Bromophenylacetate CAS NO 41841-16-1


2,3-Di-o-Para-Toluoyl-D-Tartaric Acid CAS NO 32634-68-7


3-Acetyl-3-Chlorodihydrofuran-2(3H)-One CAS NO 2986-00-7


Malonic Acid Bis(2,4,6-Trichlorophenyl) Ester CAS NO 15781-70-1


Methyl Decanoate CAS NO 110-42-9


Di-tert-Butyl L-(+)-Tartrate CAS NO 117384-45-9


Rel-Stearic Acid [(2S*)-2α*-Phenyl-1,3-Dioxolane]-4α*-Ylmethyl Ester CAS NO 56599-88-3


n-Tosyl-L-Alanine 3-Indoxyl Ester CAS NO 75062-54-3


Dimethyl Acetylenedicarboxylate CAS NO 762-42-5


Ethyl (R)-3-Hydroxybutyrate CAS NO 24915-95-5


p-Nitrophenethyl Acetate CAS NO 104-30-3


Methyl Cyanoacetate CAS NO 105-34-0


Diethyl Carbonate CAS NO 105-58-8


Isoamyl Nitrite CAS NO 110-46-3
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.





