Description

3-Hydroxy-Thiobutyric Acid S-Phenyl Ester is a specialized sulfur-containing organic compound that serves as a versatile building block and intermediate in advanced chemical synthesis. Its unique structure, featuring both a thioester linkage and a hydroxyl group, makes it a valuable precursor for the development of pharmaceuticals, agrochemicals, and functional materials. This high-purity intermediate is essential for research institutions and industrial manufacturers engaged in the synthesis of active ingredients, ligands, and novel chemical entities.

Application

• Pharmaceutical Intermediate: Key building block in the synthesis of active pharmaceutical ingredients (APIs), particularly those requiring thioester or sulfur-containing moieties.
• Agrochemical Synthesis: Used in the research and production of novel herbicides, fungicides, and plant growth regulators.
• Chemical Research: Serves as a versatile reagent in organic chemistry for the introduction of protected carboxyl or thiol groups.
• Material Science: Potential monomer or cross-linking agent in the development of specialty polymers and functional materials.
• Flavor & Fragrance Industry: Intermediate for the synthesis of complex sulfur-containing aroma compounds.
• Bioconjugation Chemistry: Useful in the development of linkers for protein-drug conjugates or diagnostic agents.

Basic Information

Product Name	3-Hydroxy-Thiobutyric Acid S-Phenyl Ester
CAS No.	727388-72-9
Molecular Formula	C10H12O2S
Molecular Weight	196.27 g/mol
Synonyms	S-Phenyl 3-Hydroxybutanethioate; 3-Hydroxybutyric Acid S-Phenyl Ester; 3-Hydroxybutanethioic Acid S-Phenyl Ester; β-Hydroxybutyric Acid Phenyl Thioester; Phenyl 3-Hydroxybutanethioate; 3-Hydroxybutyric Acid Phenyl Thioester; Butanoic acid, 3-hydroxy-, S-phenyl ester
EINECS	Contact for details

Quality Control

Our 3-Hydroxy-Thiobutyric Acid S-Phenyl Ester is manufactured under strict quality management systems to ensure batch-to-batch consistency and high purity. Each lot undergoes comprehensive analytical testing, including chromatographic purity assessment and structural confirmation. A Certificate of Analysis (COA) detailing specific results for identity, purity, and related substances is provided with every shipment to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at controlled room temperature (15-25°C). Keep away from strong acids and incompatible organic solvents. The material is light-sensitive and should be stored away from light to maintain stability.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid or low-melting solid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Water Content (KF)	≤ 0.5%
Related Substances (HPLC)	Total impurities ≤ 3.0%

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.