Description

Sulfur, [(3S)-3-[[(1,1-Dimethylethoxy)carbonyl]amino]-2-oxo-4-phenylbutylidene]dimethyloxo-, (T-4)- is a specialized organosulfur compound featuring a complex molecular architecture, designed for advanced synthetic applications. This high-purity intermediate is critical for pharmaceutical research and development, particularly in the synthesis of novel active pharmaceutical ingredients (APIs) and complex organic molecules. It is essential for R&D chemists and process development scientists in the pharmaceutical, agrochemical, and fine chemical industries seeking reliable, high-quality building blocks for complex synthesis.

Application

• Pharmaceutical Intermediate: Serves as a key chiral building block in the multi-step synthesis of potential drug candidates, particularly those targeting protease inhibition.
• Organic Synthesis Research: Used in academic and industrial R&D laboratories for constructing complex molecular frameworks and studying novel reaction pathways.
• Peptidomimetic Development: Acts as a crucial component in the design and synthesis of peptidomimetics, which are important for developing new therapeutic agents.
• Agrochemical Synthesis: Employed as an advanced intermediate in the development of new, high-performance crop protection agents with specific modes of action.
• Catalyst Ligand Precursor: Can be utilized in the preparation of specialized ligands for asymmetric catalysis.
• Reference Standard: Suitable for use as an analytical reference standard in quality control laboratories for method development and validation.

Basic Information

Product Name	Sulfur, [(3S)-3-[[(1,1-Dimethylethoxy)carbonyl]amino]-2-oxo-4-phenylbutylidene]dimethyloxo-, (T-4)-
CAS No.	959761-70-7
Molecular Formula	C18H25NO5S
Molecular Weight	367.46 g/mol
Synonyms	(3S)-3-[(tert-Butoxycarbonyl)amino]-2-oxo-4-phenylbutylidene dimethyl sulfoxide; tert-Butyl N-[(3S)-1-(dimethyl-λ4-sulfanylidene)-2-oxo-4-phenylbutan-3-yl]carbamate; Boc-L-Phe-ψ[CS(O)CH3]; (S)-3-((tert-Butoxycarbonyl)amino)-2-oxo-4-phenylbutylidene dimethyl sulfoxide; A thiocarbonyl S-oxide derivative of Boc-Phe; Contact for additional synonyms.
EINECS	Contact for details

Quality Control

This product is manufactured under strict quality control protocols to ensure batch-to-batch consistency and high purity suitable for research and development. Our quality system is designed to meet the stringent requirements of pharmaceutical and fine chemical applications. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are provided with each shipment and are available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store at controlled room temperature (15-25°C) in a dry, well-ventilated area. Keep away from strong oxidizing agents. For long-term storage, consider storing under an inert atmosphere to maintain stability.

Specification

Item	Specification
Appearance	White to off-white solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 97.0%
Purity (HPLC, Area %)	≥ 98.0%
Optical Rotation	Contact for details
Heavy Metals	< 20 ppm
Residual Solvents	Complies with ICH guidelines
Water Content (KF)	< 0.5%

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