Description

S-(1,3-Benzodioxol-5-Yldiphenylmethyl)-L-Cysteine is a specialized chiral cysteine derivative featuring a benzodioxole-protected thiol group. This compound is a crucial chiral building block and intermediate in the synthesis of complex pharmaceutical molecules, particularly those targeting neurological pathways. It is primarily utilized by research institutions and pharmaceutical companies engaged in the development of new active pharmaceutical ingredients (APIs) and fine chemicals.

Application

• Pharmaceutical Intermediate: A key chiral synthon in the research and development of novel therapeutic agents, especially in central nervous system (CNS) drug discovery.
• Peptide Chemistry: Used for the site-specific incorporation of a protected cysteine residue into synthetic peptides and peptide mimetics.
• Asymmetric Synthesis: Serves as a chiral auxiliary or starting material in stereoselective organic synthesis to introduce sulfur-containing stereocenters.
• Protease Inhibitor Research: A potential building block for the development of cysteine protease inhibitors due to its protected thiol moiety.
• Chemical Biology Probes: Utilized in the design and synthesis of activity-based probes for studying enzyme function and protein interactions.
• Reference Standard: Serves as a high-purity analytical standard for quality control and method development in pharmaceutical analysis.

Basic Information

Product Name	S-(1,3-Benzodioxol-5-Yldiphenylmethyl)-L-Cysteine
CAS No.	35959-94-5
Molecular Formula	C23H21NO4S
Molecular Weight	407.48 g/mol
Synonyms	L-Cysteine, S-[(5-benzodioxol-5-yl)diphenylmethyl]-; S-(Benzo[d][1,3]dioxol-5-yl(diphenyl)methyl)-L-cysteine; S-(1,3-Benzodioxol-5-yl(diphenyl)methyl)cysteine; (S)-2-Amino-3-((benzo[d][1,3]dioxol-5-yl(diphenyl)methyl)thio)propanoic acid; S-Trityl-L-cysteine benzodioxole derivative; 35959-94-5; Benzodioxolyl diphenylmethyl L-cysteine thioether
EINECS	Contact for details

Quality Control

Our S-(1,3-Benzodioxol-5-Yldiphenylmethyl)-L-Cysteine is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including chiral purity verification and impurity profiling, to ensure it meets the exacting standards required for pharmaceutical research. A Certificate of Analysis (COA) detailing identity, purity, and specific tests is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at a controlled room temperature (typically 15-25°C). This product is light-sensitive (store away from light). For long-term storage, consider storing under an inert atmosphere to prevent potential oxidation.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Retention time matches reference standard
Assay (HPLC)	≥ 98.0%
Chiral Purity (HPLC)	≥ 99.0% (L-isomer)
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 10 ppm

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