Fluorinated Building Blocks
Your Professional Fluorinated Building Blocks Supplier!
We are Aeechem, a global leader in the research, development, and production of high-value pharmaceutical intermediates and building blocks. Headquartered in Nanjing, China, with a dedicated R&D center and GMP-compliant manufacturing in India, we combine custom synthesis expertise with scalable production to empower innovative biotech and pharma companies worldwide.
Why Choose Us
Manufacturing Capability
Aeechem supports the full development process from laboratory research to commercial-scale production.From milligram samples for early-stage research to multi-ton commercial production, our integrated, GMP-compliant facilities ensure seamless scale-up and consistent quality.
Reliable Supply
The importance of timely delivery and clear communication in pharmaceutical sourcing. By combining responsive technical support with flexible production capacity, Aeechem serves customers across global markets with dependable project execution and long-term supply stability.
Advanced technology
Aeechem focuses on high-value intermediates and complex building blocks for innovative drug development. Our continuous investment in research and proprietary molecules allows customers to access a growing portfolio of advanced compounds for both R&D and commercial needs.
Common types
We offers the following product introduce:
N-(3,5-Bis(trifluoromethyl)phenyl)hydrazinecarbothioamide
N-(3,5-Bis(trifluoromethyl)phenyl)hydrazinecarbothioamide is a thiosemicarbazide derivative known for its unique structural properties. The core structure comprises a phenyl ring with two trifluoromethyl groups in the meta positions, which is a motif often used to enhance the pharmacological properties of various compounds due to its strong electron-withdrawing nature and increased lipophilicity.
Methyl 5-fluoro-6-methylnicotinate
Methyl 5-fluoro-6-methylnicotinate is a tri-substituted pyridine derivative belonging to the nicotinic acid ester family. The molecule combines three distinct functional groups: a fluorine atom at the 5-position, a methyl group at the 6-position, and a methyl ester at the 3-position of the pyridine ring. The pyridine core, with its electron-withdrawing nitrogen atom, provides a moderately electron-deficient aromatic platform capable of engaging in π-stacking and hydrogen bonding interactions.


3-(3-(Trifluoromethyl)phenyl)propanenitrile
3-(3-(Trifluoromethyl)phenyl)propanenitrile is an aromatic nitrile in which a three-carbon chain bearing a terminal cyano group is attached to a meta-trifluoromethyl-substituted benzene ring. The trifluoromethyl group is strongly electron-withdrawing, influencing the electronic distribution of the aromatic system and activating the ring toward nucleophilic attack. The nitrile functionality serves as a versatile synthetic handle, allowing conversion to carboxylic acids, primary amines, aldehydes, or heterocycles via standard transformations such as hydrolysis, reduction, or cycloaddition.
Ethyl 2-(bis(2,2,2-trifluoroethoxy)phosphoryl)propanoate
This compound is a specialized and highly reactive phosphonate ester, meticulously designed for use in the Horner–Wadsworth–Emmons olefination reaction. Its defining structural feature is the pair of 2,2,2-trifluoroethyl groups bonded to the phosphorus atom. The immense electron-withdrawing power of these fluorinated substituents dramatically increases the acidity of the adjacent α-hydrogen on the propionate ester moiety. This allows for the generation of a stabilized phosphonate carbanion under exceptionally mild basic conditions.
Product Specification
We offers the following product specifications:
|
Product Name |
N-(3,5-Bis(trifluoromethyl)phenyl)hydrazinecarbothioamide |
|
CAS Number |
38901-31-4 |
|
Molecular Formula |
C9H7F6N3S |
|
Molecular Weight |
303.23 |
|
SMILES Code |
NNC(NC1=CC(C(F)(F)F)=CC(C(F)(F)F)=C1)=S |
|
MDL No. |
MFCD00041292 |
|
Product Name |
Methyl 5-fluoro-6-methylnicotinate |
|
CAS Number |
1253383-91-3 |
|
Molecular Formula |
C8H8FNO2 |
|
Molecular Weight |
169.15 |
|
SMILES Code |
O=C(OC)C1=CN=C(C)C(F)=C1 |
|
MDL No. |
MFCD18803129 |
Application




Medicinal Chemistry and Anticancer Research
This compound and its derivatives are investigated for their promising anticancer properties. Studies have demonstrated that thiosemicarbazide derivatives can exhibit significant cytotoxic effects against various cancer cell lines. For instance, related compounds have shown notable antiproliferative activity against human liver carcinoma cell lines, with efficacy comparable to established chemotherapeutics. The mechanism of action is often attributed to the induction of apoptosis in cancer cells through the inhibition of key enzymes involved in cell proliferation and survival, such as topoisomerases.
Antimicrobial Agent Development
Research indicates that this compound possesses antimicrobial properties, demonstrating bactericidal activity against both Gram-positive and Gram-negative bacteria. It has shown effective inhibition against specific strains, including Mycobacterium smegmatis, with minimum inhibitory concentration values significantly lower than some standard antibiotics. This activity makes it a candidate for the development of new antimicrobial agents, particularly in the search for treatments against resistant bacterial strains.
Enzyme Inhibition Studies
This thiosemicarbazide derivative has been investigated for its potential as an enzyme inhibitor. Derivatives of this compound have been shown to inhibit steroid 5α-reductase type 1 (SRD5A1), an enzyme implicated in androgenic alopecia and other conditions. The inhibition is attributed to both the suppression of enzyme expression and the direct inhibition of its enzymatic activity, demonstrating the potential of this scaffold in targeting specific biological pathways with low cytotoxicity.
Reagent in Organic Synthesis and Material Science
In chemistry, this compound serves as a valuable reagent for organic synthesis and catalysis. It can be prepared via the reaction of 3,5-bis(trifluoromethyl)aniline with hydrazinecarbothioamide. The compound undergoes various chemical reactions, including oxidation to form sulfoxides or sulfones, and reduction to produce corresponding amines. In material science, it is utilized in the synthesis of novel polymers and nanocomposites, where its incorporation into polymer matrices has been shown to enhance thermal stability and mechanical properties, which is particularly relevant for electronic applications.
Pharmaceutical Intermediate
In drug discovery, this fluorinated pyridine ester is employed as a building block for synthesizing compounds with potential activity against neurological disorders, inflammation, and cancer. The ester group can be hydrolyzed to the carboxylic acid for amide coupling with amine-containing pharmacophores, enabling rapid generation of libraries for structure-activity relationship studies. The fluorine atom enhances metabolic stability and can improve membrane permeability through increased lipophilicity, while the methyl group contributes to hydrophobic interactions with biological targets. Derivatives prepared from this scaffold have been explored as ligands for G-protein coupled receptors and enzyme inhibitors.
Certifications







Package & Delivery
Package: Standard export package or Custom
Delivery: By air express, by sea

FAQ
As one of the leading fluorinated building blocks manufacturers and suppliers in China, we also support customized service. Please feel free to buy high quality fluorinated building blocks made in China here from our factory. For quotation and free sample, contact us now.
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