Description

H-Gly-Leu-Leu-Gly-Oh is a synthetic tetrapeptide sequence composed of glycine and leucine residues. This compound is significant for its role as a model substrate and building block in biochemical research and pharmaceutical development. It is primarily needed by researchers and manufacturers in the fields of peptide chemistry, enzymology, and for the development of novel therapeutic agents and diagnostic tools.

Application

• Biochemical research as a model peptide substrate for enzyme studies.
• Pharmaceutical R&D for investigating peptide stability and metabolism.
• Use as a key intermediate in the synthesis of more complex peptide-based compounds.
• Development of reference standards for analytical method validation in quality control laboratories.
• Academic studies focused on protein folding, peptide interactions, and structure-activity relationships (SAR).
• Potential precursor in the development of specialized biomaterials or drug delivery systems.

Basic Information

Product Name	H-Gly-Leu-Leu-Gly-Oh
CAS No.	104845-51-4
Molecular Formula	C18H32N4O5
Molecular Weight	384.47 g/mol
Synonyms	Glycyl-L-leucyl-L-leucylglycine; GLLG; H-Gly-Leu-Leu-Gly-OH; Tetrapeptide GLLG; L-Leucine, glycyl-L-leucyl-L-leucylglycyl-; Gly-Leu-Leu-Gly; GLLG-OH; (Glycine-L-leucine-L-leucine-glycine)
EINECS	Contact for details

Quality Control

Our H-Gly-Leu-Leu-Gly-Oh is produced under stringent quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation, to ensure it meets the high standards required for research and development applications. Certificates of Analysis (COA) with detailed chromatographic data are available upon request.

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). Due to its hygroscopic nature, the container must be kept tightly sealed in a dry environment to prevent moisture absorption.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Retention time matches reference standard
Assay (HPLC)	≥ 95.0%
Purity (HPLC)	≥ 98.0% (Total Peptide Content)
Water Content (KF)	≤ 5.0%
Residue on Ignition	≤ 1.0%
Heavy Metals	≤ 20 ppm

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