Description

Leucyl-Glycyl-Glycyl-Glycine is a high-purity synthetic tetrapeptide composed of leucine and three glycine residues. This compound serves as a crucial biochemical building block and research tool, valued for its defined structure and purity. It is primarily utilized by research institutions and manufacturers in the pharmaceutical, biotechnology, and life science sectors for applications in peptide synthesis, enzymatic studies, and as a reference standard.

Application

• Biochemical Research & Development: Used as a substrate or intermediate in enzymatic studies and metabolic pathway investigations.
• Pharmaceutical Peptide Synthesis: Serves as a key building block (amino acid sequence) in the solid-phase or solution-phase synthesis of more complex therapeutic peptides.
• Reference Standard: Employed as a high-purity calibration standard in analytical methods such as HPLC and mass spectrometry for quality control and method validation.
• Cell Culture & Media Supplement: May be used as a specialized nutrient component in defined cell culture media for specific research applications.
• Cosmetic Peptide Formulations: Incorporated as an active ingredient in advanced cosmetic and personal care products targeting skin health.

Basic Information

Product Name	Leucyl-Glycyl-Glycyl-Glycine
CAS No.	14857-78-4
Molecular Formula	C14H24N4O5
Molecular Weight	328.36 g/mol
Synonyms	L-Leucyl-glycyl-glycyl-glycine; Leu-Gly-Gly-Gly; H-Leu-Gly-Gly-Gly-OH; Tetrapeptide Leu-Gly-Gly-Gly; Glycine, L-leucylglycylglycyl-; NSC 334358; L-Leu-Gly-Gly-Gly
EINECS	Contact for details

Quality Control

Our Leucyl-Glycyl-Glycyl-Glycine is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC for purity, chiral analysis, and identity confirmation (IR, MS). We provide full traceability and Certificates of Analysis (COA) are available for all shipments, ensuring compliance with research and development grade specifications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at 2-8°C or as indicated on the label. This product is hygroscopic (moisture-sensitive) and should be handled under dry conditions to maintain stability.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Purity (HPLC)	≥ 97.0%
Optical Rotation	Contact for details
Water Content (KF)	≤ 1.0%
Residue on Ignition	≤ 0.5%

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