Description

Pyr-Gln-Arg-Tyr-Gly-Asn-Gln-Trp-Ala-Val-Gly-His-Leu-Met-Nh2 is a synthetic peptide amide with the CAS number 67338-70-9, designed for high-purity research and development applications. This compound is valued for its specific sequence and structural integrity, which is critical for advanced biochemical studies and pharmaceutical discovery. It serves as an essential tool for researchers and developers in the fields of peptide chemistry, drug discovery, and life science research, where precise molecular interactions are paramount.

Application

This high-purity peptide is utilized in a variety of advanced scientific and industrial applications, including:

• Biochemical Research: As a reference standard or active component in studies of protein-protein interactions, enzyme substrates, and receptor binding assays.
• Pharmaceutical Development: Serving as a key intermediate or lead compound in the discovery and development of novel therapeutic agents.
• Diagnostic Reagent Production: Used in the formulation of sensitive and specific diagnostic kits and bioassays.
• Academic & Institutional Research: A critical reagent for universities and research institutes conducting fundamental studies in biochemistry, molecular biology, and medicinal chemistry.
• Peptide Library Synthesis: As a building block for constructing combinatorial peptide libraries for high-throughput screening.

Basic Information

Product Name	Pyr-Gln-Arg-Tyr-Gly-Asn-Gln-Trp-Ala-Val-Gly-His-Leu-Met-Nh2
CAS No.	67338-70-9
Molecular Formula	C78H118N26O22S
Molecular Weight	1771.98 g/mol
Synonyms	Pyroglutamyl-Glutaminyl-Arginyl-Tyrosyl-Glycyl-Asparaginyl-Glutaminyl-Tryptophanyl-Alanyl-Valyl-Glycyl-Histidyl-Leucyl-Methioninamide; Pyr-E-Q-R-Y-G-N-Q-W-A-V-G-H-L-M-NH2; PQRYGNQWAVGHLM-NH2; Melanostatin; MIF-1 (Melanocyte-Inhibiting Factor 1); Prolyl-Leucyl-Glycinamide related peptide; L-Pyroglutamyl-L-glutaminyl-L-arginyl-L-tyrosylglycyl-L-asparaginyl-L-glutaminyl-L-tryptophyl-L-alanyl-L-valylglycyl-L-histidyl-L-leucyl-L-methioninamide
EINECS	Contact for details

Quality Control

Our Pyr-Gln-Arg-Tyr-Gly-Asn-Gln-Trp-Ala-Val-Gly-His-Leu-Met-Nh2 is manufactured under strict quality management systems to ensure batch-to-batch consistency and high purity. Each lot is supported by a comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles. We adhere to cGMP (current Good Manufacturing Practice) guidelines where applicable, and our quality protocols are designed to meet the stringent requirements of research and pharmaceutical development.

Storage

Preserve in a tightly closed container, protected from light. Store at a controlled room temperature between 15-25°C or as specified on the label. Due to its hygroscopic (moisture-sensitive) nature, the container must be kept in a dry environment. For long-term storage, consider desiccated conditions at -20°C.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (HPLC)	Conforms to reference standard
Identification (MS)	Conforms to structure
Purity (HPLC)	≥ 95.0%
Single Impurity (HPLC)	≤ 1.0%
Water Content (KF)	≤ 5.0%
Peptide Content	≥ 80.0%
Acetate Content (HPIC)	≤ 10.0%

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