Description

H-Phe-Leu-Glu-Glu-Ile-Oh is a synthetic pentapeptide sequence composed of phenylalanine, leucine, and two glutamic acid residues, terminating with isoleucine. This specific oligopeptide is a valuable building block in pharmaceutical research and development, particularly for studying protein-protein interactions and designing novel bioactive compounds. It is essential for researchers and manufacturers in the fields of peptide synthesis, medicinal chemistry, and biochemical assay development.

Application

• Pharmaceutical Intermediate: Serves as a critical precursor in the synthesis of more complex therapeutic peptides and peptidomimetics.
• Biochemical Research: Used as a standard or substrate in enzymatic studies, receptor binding assays, and structure-activity relationship (SAR) investigations.
• Cosmetic Peptide Development: Explored for potential applications in advanced skincare formulations targeting specific biological pathways.
• Academic & Industrial R&D: A key reagent for universities and contract research organizations (CROs) focused on peptide science and drug discovery platforms.
• Nutraceutical Research: Investigated for potential bioactive properties in specialized nutritional supplement development.

Basic Information

Product Name	H-Phe-Leu-Glu-Glu-Ile-Oh
CAS No.	62733-72-6
Molecular Formula	C31H46N5O9
Molecular Weight	632.73 g/mol
Synonyms	Phe-Leu-Glu-Glu-Ile; FLEEI; H-Phe-Leu-Glu-Glu-Ile-OH; Pentapeptide FLEEI; L-Phenylalanyl-L-leucyl-L-α-glutamyl-L-α-glutamyl-L-isoleucine; (4S)-4-[[(2S)-2-[[(2S)-2-[[(2S)-2-Amino-3-phenylpropanoyl]amino]-4-methylpentanoyl]amino]-4-carboxybutanoyl]amino]-5-[(2S)-2-aminopentanamido]-5-oxopentanoic acid
EINECS	Contact for details

Quality Control

Our H-Phe-Leu-Glu-Glu-Ile-Oh is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC for purity, MS for identity confirmation, and chiral purity checks, to ensure it meets the high standards required for research and development. Certificates of Analysis (COA) with detailed chromatographic data are provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at 2-8°C (refrigerated) or as indicated on the label or CoA. This product is hygroscopic (moisture-sensitive). Allow the sealed container to reach room temperature before opening to prevent condensation and moisture uptake.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (HPLC/MS)	Conforms
Purity (HPLC)	≥ 95.0%
Assay (Content)	≥ 97.0%
Single Impurity (HPLC)	≤ 1.0%
Water Content (KF)	≤ 5.0%
Optical Rotation	Contact for details

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