Description

(R)-2-Benzylbut-3-Enoic Acid is a chiral, non-proteinogenic α,β-unsaturated carboxylic acid featuring a benzyl substituent. This compound matters as a valuable chiral building block and synthetic intermediate for the preparation of more complex, biologically active molecules. It is needed by pharmaceutical R&D teams and fine chemical manufacturers engaged in the synthesis of active pharmaceutical ingredients (APIs), agrochemicals, and advanced materials.

Application

• Pharmaceutical Intermediate: A key chiral synthon for the research and development of novel therapeutic agents, including enzyme inhibitors and receptor modulators.
• Agrochemical Synthesis: Used in the production of advanced, enantiomerically pure pesticides and herbicides.
• Asymmetric Catalysis Research: Serves as a substrate or ligand precursor in the development of new catalytic systems for stereoselective transformations.
• Fine Chemical Production: Employed in the multistep synthesis of complex fragrance compounds, flavors, and specialty polymers.
• Academic & Industrial R&D: A versatile starting material for methodological studies in organic synthesis and medicinal chemistry.

Basic Information

Product Name	(R)-2-Benzylbut-3-Enoic Acid
CAS No.	183509-48-0
Molecular Formula	C11H12O2
Molecular Weight	176.21 g/mol
Synonyms	(R)-2-Benzyl-3-butenoic acid; (R)-2-Benzylidenebutanoic acid; (2R)-2-Benzylbut-3-enoic acid; (R)-α-Benzylidenebutyric acid; (R)-2-(Phenylmethyl)-3-butenoic acid; (R)-2-Benzylidenebutyric acid; (R)-2-Benzyl-3-butenoate (acid form)
EINECS	Contact for details

Quality Control

Our (R)-2-Benzylbut-3-Enoic Acid is produced under strict quality management systems. Each batch undergoes comprehensive analytical testing, including chiral purity analysis by HPLC, to ensure it meets the high standards required for advanced synthetic applications. A Certificate of Analysis (COA) detailing identity, purity, and chiral excess is provided with every shipment.

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 heat, sparks, and open flame.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Chiral Purity (Chiral HPLC)	≥ 99.0% ee
Melting Point	Contact for details
Loss on Drying	≤ 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.