Description

Rspacer Cep CAS NO 159299-31-7 is a specialized chemical intermediate, primarily recognized as a key building block in advanced organic synthesis. This compound matters for its role in constructing complex molecular architectures, particularly in the development of novel active pharmaceutical ingredients (APIs) and high-performance materials. It is essential for research institutions, pharmaceutical developers, and fine chemical manufacturers engaged in cutting-edge synthesis projects.

Application

• Pharmaceutical Intermediate: A critical precursor in the synthesis of complex drug molecules and active pharmaceutical ingredients (APIs).
• Peptidomimetic Research: Used in the design and construction of peptide analogs and mimetics for therapeutic applications.
• Protease Inhibitor Development: Serves as a core scaffold or spacer in molecules designed to inhibit specific enzymatic activity.
• Bioconjugation Chemistry: Employed as a linker or spacer arm for attaching functional groups to biomolecules like proteins or peptides.
• Material Science: Utilized in the synthesis of specialty polymers and advanced organic materials with tailored properties.
• Academic & Industrial R&D: A valuable reagent for methodological development and exploratory synthesis in organic chemistry laboratories.

Basic Information

Product Name	Rspacer Cep
CAS No.	159299-31-7
Molecular Formula	C14H26N2O5S
Molecular Weight	334.44 g/mol
Synonyms	Fmoc-Cys(Acm)-OH; N-[(9H-Fluoren-9-ylmethoxy)carbonyl]-3-(acetamidomethyl)-L-cysteine; Fmoc-Cys(Acetamidomethyl)-OH; Nα-Fmoc-S-acetamidomethyl-L-cysteine; Fmoc-Cysteine(Acm)-OH; (2R)-2-[(9H-Fluoren-9-ylmethoxy)formamido]-3-[(acetamidomethyl)sulfanyl]propanoic acid; Fmoc-Cys(Acm); N-Fmoc-S-acetamidomethylcysteine
EINECS	Contact for details

Quality Control

Our Rspacer Cep is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation via IR and NMR spectroscopy, to ensure it meets the high standards required for pharmaceutical research and fine chemical synthesis. Certificates of Analysis (COA) detailing all specifications are 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 (15-25°C). This product is hygroscopic (moisture-sensitive) and must be kept under anhydrous conditions. For long-term storage, consider storing under an inert atmosphere such as argon or nitrogen.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (NMR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Optical Rotation [α]D20	Contact for details
Water Content (KF)	≤ 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.