Description

H-Ser-Phe-Leu-Leu-Cit-Oh is a synthetic peptide sequence of significant interest in biochemical and pharmaceutical research. This compound, identified by CAS number 287184-84-3, serves as a critical building block and model substrate for studying protease activity, enzyme kinetics, and peptide-based drug design. It is primarily utilized by research institutions, biotechnology companies, and pharmaceutical developers engaged in proteomics, biomarker discovery, and the development of novel therapeutic agents.

Application

• Biochemical Research: Used as a specific substrate for studying the activity and inhibition of various proteases and peptidases.
• Pharmaceutical Development: Serves as a key intermediate or reference standard in the synthesis and screening of peptide-based drug candidates.
• Proteomics & Biomarker Discovery: Employed in mass spectrometry and analytical workflows to understand protein digestion patterns and identify peptide fragments.
• Enzyme Kinetics Studies: Acts as a model compound to determine kinetic parameters like Km and Vmax for enzymatic reactions.
• Cell Biology Research: Utilized in studies investigating cell signaling pathways and peptide-receptor interactions.
• Quality Control Standard: Functions as a high-purity reference material for calibrating analytical instruments (e.g., HPLC, LC-MS) in QC laboratories.

Basic Information

Product Name	H-Ser-Phe-Leu-Leu-Cit-Oh
CAS No.	287184-84-3
Molecular Formula	C33H53N7O8
Molecular Weight	675.82 g/mol
Synonyms	Ser-Phe-Leu-Leu-Cit-OH; H-Ser-Phe-Leu-Leu-Cit-OH; SFFLL-Cit; L-Seryl-L-phenylalanyl-L-leucyl-L-leucyl-L-citrulline; Pentapeptide SFFLL-Cit; Citrulline-containing pentapeptide; SPFLL-Cit; Research peptide 287184-84-3
EINECS	Contact for details

Quality Control

Our H-Ser-Phe-Leu-Leu-Cit-Oh is manufactured under strict quality management systems to ensure batch-to-batch consistency and high purity suitable for research applications. Each lot undergoes comprehensive analytical characterization, including HPLC for purity, MS for identity confirmation, and amino acid analysis. A Certificate of Analysis (COA) detailing all specifications and test results is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store at -20°C or below in a dry environment. This product is hygroscopic (moisture-sensitive). Allow the vial to equilibrate to room temperature in a desiccator before opening to minimize moisture uptake.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (HPLC)	Retention time corresponds to reference standard
Identification (MS)	Mass spectrum conforms to theoretical values
Purity (HPLC)	≥ 95.0%
Assay (Peptide Content)	≥ 80.0%
Water Content (KF)	≤ 5.0%
Single Impurity (HPLC)	≤ 1.0%
Total Impurities (HPLC)	≤ 5.0%

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