Description

Pyr-Gln-Lys-Leu-Gly-Asn-Gln-Trp-Ala-Val-Gly-His-Leu-Met-Nh2 is a synthetic peptide sequence, also known by its CAS number 66839-66-5. This compound is of significant interest for advanced biochemical research and therapeutic development due to its specific amino acid sequence. It is primarily utilized by researchers and manufacturers in the pharmaceutical and biotechnology sectors for applications in peptide-based drug discovery, biochemical assays, and as a reference standard.

Application

• Biochemical Research: Used as a critical reagent in studying protein-protein interactions, enzyme kinetics, and signal transduction pathways.
• Pharmaceutical Development: Serves as a key intermediate or active pharmaceutical ingredient (API) in the development of novel peptide-based therapeutics.
• Diagnostic Reagents: Employed in the formulation of high-sensitivity diagnostic kits and assays for disease biomarkers.
• Cosmeceutical Research: Investigated for potential applications in advanced skincare formulations targeting specific biological pathways.
• Academic & Institutional Research: Provides a standardized compound for universities and research institutes conducting fundamental life science studies.
• Reference Standard: Used for quality control, method validation, and calibration in analytical laboratories to ensure accuracy and reproducibility.

Basic Information

Product Name	Pyr-Gln-Lys-Leu-Gly-Asn-Gln-Trp-Ala-Val-Gly-His-Leu-Met-Nh2
CAS No.	66839-66-5
Molecular Formula	C78H124N24O21S
Molecular Weight	1742.0 g/mol
Synonyms	Pyroglutamyl-Glutaminyl-Lysyl-Leucyl-Glycyl-Asparaginyl-Glutaminyl-Tryptophyl-Alanyl-Valyl-Glycyl-Histidyl-Leucyl-Methioninamide; Pyr-Gln-Lys-Leu-Gly-Asn-Gln-Trp-Ala-Val-Gly-His-Leu-Met-NH2; pGlu-Q-K-L-G-N-Q-W-A-V-G-H-L-M-NH2; Peptide Sequence 66839-66-5; Synthetic Tetradecapeptide Amide; Research Peptide 66839-66-5
EINECS	Contact for details

Quality Control

Our Pyr-Gln-Lys-Leu-Gly-Asn-Gln-Trp-Ala-Val-Gly-His-Leu-Met-Nh2 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. We provide a detailed Certificate of Analysis (COA) with every shipment, ensuring traceability and compliance with your research or cGMP guidelines for advanced intermediates.

Storage

Preserve in a tightly closed container, protected from light. Store at -20°C or below for long-term stability. This product is hygroscopic (moisture-sensitive). Allow the vial to reach room temperature in a desiccator before opening to prevent condensation and hydrolysis. For optimal performance, store the product desiccated at the recommended temperature.

Specification

Item	Specification
Appearance	White to off-white lyophilized powder
Identification (HPLC/MS)	Conforms to reference standard
Purity (HPLC)	≥ 95.0%
Single Impurity (HPLC)	≤ 1.0%
Amino Acid Composition	Within ± 10% of theoretical
Water Content (KF)	≤ 5.0%
Peptide Content	≥ 80.0%
Solubility	Soluble in water, DMSO, acetic acid

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