

share
Benzoic Acid, 2-Fluoro-5-(Methylsulfonyl)-, Methyl Ester CAS NO 865663-98-5
Unit Price:
CAS No.:865663-98-5
Grade:Pharmacy Grade
Content:99.9%
Brand:Customizable
Packaging:Customizable
Description
Benzoic Acid, 2-Fluoro-5-(Methylsulfonyl)-, Methyl Ester is a high-value, fluorinated aromatic ester derivative, distinguished by its methylsulfonyl and fluorine substituents which confer unique electronic and steric properties. This compound is a critical advanced pharmaceutical intermediate (API) and a versatile building block in modern synthetic chemistry, enabling the development of novel active ingredients. It is primarily required by R&D and production teams in the pharmaceutical, agrochemical, and specialty chemical sectors for the synthesis of complex molecules.
Application
- Pharmaceutical Intermediate: A key building block in the synthesis of active pharmaceutical ingredients (APIs), particularly for candidates targeting central nervous system (CNS) disorders, inflammation, and oncology.
- Agrochemical Synthesis: Used in the research and development of novel herbicides, fungicides, and insecticides, where the fluorine atom enhances biological activity and environmental stability.
- Liquid Crystal & OLED Materials: Serves as a precursor in the production of advanced electronic materials for displays and optoelectronic devices due to its specific aromatic structure.
- Organic Synthesis & Catalysis: Acts as a versatile reagent in cross-coupling reactions, Suzuki-Miyaura couplings, and as a ligand precursor in transition metal catalysis.
- Polymer Modification: Employed to introduce functional groups into polymer chains, enhancing properties like thermal stability, solubility, or reactivity for high-performance materials.
- Chemical Research (R&D): Utilized in academic and industrial laboratories for method development and the exploration of new chemical entities in medicinal and materials chemistry.
Basic Information
| Product Name | Benzoic Acid, 2-Fluoro-5-(Methylsulfonyl)-, Methyl Ester |
| CAS No. | 865663-98-5 |
| Molecular Formula | C9H9FO4S |
| Molecular Weight | 232.23 g/mol |
| Synonyms | Methyl 2-Fluoro-5-(methylsulfonyl)benzoate; 2-Fluoro-5-methanesulfonyl-benzoic Acid Methyl Ester; 5-(Methylsulfonyl)-2-fluorobenzoic Acid Methyl Ester; Methyl 5-(Methylsulfonyl)-2-fluorobenzoate; 2-Fluoro-5-methylsulfonyl Methyl Benzoate; 865663-98-5; Methyl 2-Fluoro-5-methylsulfonylbenzoate |
| EINECS | Contact for details |
Quality Control
Our production of Benzoic Acid, 2-Fluoro-5-(Methylsulfonyl)-, Methyl Ester adheres to stringent quality management protocols. Every batch undergoes rigorous analytical testing, including HPLC, GC, and NMR, to ensure high purity and batch-to-batch consistency suitable for sensitive applications like pharmaceutical synthesis. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing all critical specifications. Our quality system is designed to support customer needs for regulatory filings and cGMP compliance where required.
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 incompatible materials such as strong alkalis and fluorides. The container should be kept tightly sealed to protect from moisture.
Specification
| Item | Specification |
|---|---|
| Appearance | White to off-white crystalline powder |
| Identification (IR) | Conforms to structure |
| Identification (HPLC) | Retention time matches reference standard |
| Purity (HPLC) | ≥ 98.0% |
| Water Content (KF) | ≤ 0.5% |
| Residue on Ignition | ≤ 0.1% |
| Heavy Metals | ≤ 20 ppm |
Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.
Hot Related Products


Methyl 2-Fluoro-3-Nitrobenzoate CAS NO 946126-94-9


2-(3,5-Bis(Trifluoromethyl)Phenyl)-2-Methyl Propanoic Acid CAS NO 289686-70-0


2,4,5-Trifluoro-3-Methoxybenzoic Acid CAS NO 112811-65-1


2-Nitro-4-(Trifluoromethyl)Phenylacetic Acid CAS NO 1735-91-7


2-Fluorobenzoic Acid CAS NO 445-29-4


Perfluorotetradecanoic Acid CAS NO 376-06-7


3-Bromo-4-Fluorobenzoic Acid CAS NO 1007-16-5


2-Bromo-4-Fluorobenzoic Acid CAS NO 1006-41-3


3-(Trifluoromethoxy)Benzoic Acid CAS NO 1014-81-9


3,4,5,6-Tetrafluorophthalic Acid Dimethyl Ester CAS NO 1024-59-5


4-Fluoro-n-Methoxy-n-Methylbenzamide CAS NO 1163-54-8


2,2-Bis(4-Carboxyphenyl)Hexafluoropropane CAS NO 1171-47-7


2,3,4,5-Tetrafluorobenzoic Acid CAS NO 1201-31-6


(E)-3-(4-Fluoro-Phenyl)-But-2-Enoic Acid CAS NO 1201-86-1


3-(2-Fluoro-Phenyl)-3-Oxo-Propionic Acid Ethyl Ester CAS NO 1479-24-9


4-[(3-Fluoro-4-(Octyloxy)-Phenyl]-Benzoic Acid CAS NO 1480-22-4


2-(Trifluoromethyl)-1,4-Benzenedicarboxylic Acid CAS NO 1483-47-2


3-(Aminosulfonyl)-4-Fluorobenzoic Acid CAS NO 1535-45-1


7-Fluoro-2-Methyl-1,2,3,4-Tetrahydro-Acridine-9-Carboxylic Acid CAS NO 1536-29-4


2,2,3,3,4,4,4-Heptafluoro-n-(1-Methyl-2-Phenylethyl)Butanamide CAS NO 1545-26-2
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.






