Description

L-Tyrosine, L-Leucylglycyl-L-Glutaminyl-L-Glutaminyl-L-Glutaminyl-L-Prolyl-L-Phenylalanyl-L-Prolyl-L-Prolyl-L-Glutaminyl-L-Glutaminyl-L-Prolyl- (CAS NO 176326-01-5) is a high-purity, synthetic peptide sequence of significant interest in advanced biochemical research and development. This compound matters as a precisely engineered building block for studying protein-protein interactions, enzyme specificity, and cellular signaling pathways. It is primarily needed by pharmaceutical R&D teams, biotechnology companies, and academic institutions focused on peptide therapeutics, diagnostic agents, and novel biomaterials.

Application

• Pharmaceutical Research & Development: As a key intermediate or reference standard in the discovery and optimization of novel peptide-based drugs and biologics.
• Biochemical Assay Development: For use as a substrate, inhibitor, or binding partner in enzymatic studies and high-throughput screening assays.
• Proteomics and Structural Biology: Serving as a model peptide for mass spectrometry analysis, NMR studies, and investigating protein folding dynamics.
• Diagnostic Reagent Synthesis: Utilization in the development of sensitive and specific diagnostic kits and imaging probes.
• Cell Culture & Signal Transduction Studies: Application in vitro to modulate specific cellular pathways and study receptor-ligand interactions.
• Cosmeceutical R&D: Exploration of bioactive peptide sequences for advanced skincare and dermatological applications.

Basic Information

Product Name	L-Tyrosine, L-Leucylglycyl-L-Glutaminyl-L-Glutaminyl-L-Glutaminyl-L-Prolyl-L-Phenylalanyl-L-Prolyl-L-Prolyl-L-Glutaminyl-L-Glutaminyl-L-Prolyl-
CAS No.	176326-01-5
Molecular Formula	C71H104N20O24
Molecular Weight	1597.7 g/mol
Synonyms	H-Tyr-Leu-Gly-Gln-Gln-Gln-Pro-Phe-Pro-Pro-Gln-Gln-Pro-OH; L-Tyr-L-Leu-Gly-L-Gln-L-Gln-L-Gln-L-Pro-L-Phe-L-Pro-L-Pro-L-Gln-L-Gln-L-Pro; TYROSINE-LEUCYLGLYCYLGLUTAMINYLGLUTAMINYLGLUTAMINYLPROLYLPHENYLALANYLPROLYLPROLYLGLUTAMINYLGLUTAMINYLPROLINE; Peptide Y-13; The specified 13-mer peptide; (Leu1,Gln4,5,10,11,Pro7,9,13)-Peptide YY (1-13)
EINECS	Contact for details

Quality Control

Our L-Tyrosine, L-Leucylglycyl-L-Glutaminyl-L-Glutaminyl-L-Glutaminyl-L-Prolyl-L-Phenylalanyl-L-Prolyl-L-Prolyl-L-Glutaminyl-L-Glutaminyl-L-Prolyl- is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC for purity, MS for identity confirmation, and amino acid analysis, to ensure it meets rigorous research-grade specifications. Certificates of Analysis (COA) with detailed chromatographic data are available upon request.

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) and light-sensitive. For long-term storage, consider desiccation and storage under inert atmosphere. Allow the sealed vial to equilibrate to room temperature before opening to minimize moisture uptake.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (HPLC/MS)	Conforms
Purity (HPLC)	≥ 95.0%
Single Impurity (HPLC)	≤ 1.0%
Amino Acid Composition	Conforms to theoretical values
Water Content (KF)	≤ 5.0%
Peptide Content	≥ 80.0%

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