Description

Pyr-Gly-Pro-Trp-Leu-Glu-Glu-Glu-Glu-Glu-Ala-Tyr(So3H)-Gly-Trp-Met-Asp-Phe-Nh2 CAS NO 19361-51-4 is a synthetic peptide sequence, also known as a gastrin/cholecystokinin-related peptide, with the CAS registry number 19361-51-4. This compound is of significant interest for its role in biological research and development, particularly in studying gastrointestinal hormone functions and receptor interactions. It is primarily utilized by pharmaceutical R&D laboratories, biotechnology companies, and academic research institutions focused on endocrinology, drug discovery, and peptide-based therapeutic development.

Application

• Biomedical Research: Used as a reference standard and active agent in studies investigating gastrin and cholecystokinin (CCK) receptor binding, signaling pathways, and physiological effects.
• Drug Discovery & Development: Serves as a key intermediate or lead compound in the design and screening of novel peptide therapeutics targeting gastrointestinal disorders and cancers.
• Diagnostic Development: Employed in the development and calibration of immunoassays (e.g., ELISA, RIA) for detecting and quantifying related hormones in clinical and research settings.
• Biochemical Reagent: Functions as a high-purity biochemical tool for enzymatic studies, cell culture experiments, and signal transduction research in vitro.
• Academic & Institutional Research: Provides a critical reagent for university and institutional labs conducting fundamental research in endocrinology and peptide science.

Basic Information

Product Name	Pyr-Gly-Pro-Trp-Leu-Glu-Glu-Glu-Glu-Glu-Ala-Tyr(So3H)-Gly-Trp-Met-Asp-Phe-Nh2
CAS No.	19361-51-4
Molecular Formula	C108H142N24O42S2
Molecular Weight	2472.6 g/mol
Synonyms	Gastrin/CCK-related peptide (1-17); Pyr-GGPWLEEEEEAY(SO3H)GWMDF-NH2; Cholecystokinin (CCK) fragment; CCK-8 analogue; Sulfated Gastrin peptide; H-Pyr-Gly-Pro-Trp-Leu-Glu-Glu-Glu-Glu-Glu-Ala-Tyr(SO3H)-Gly-Trp-Met-Asp-Phe-NH2; Gastrin I (1-17), sulfated; CCK/Gastrin receptor ligand.
EINECS	Contact for details

Quality Control

Our peptide products are manufactured under strict quality management systems. Each batch of Pyr-Gly-Pro-Trp-Leu-Glu-Glu-Glu-Glu-Glu-Ala-Tyr(So3H)-Gly-Trp-Met-Asp-Phe-Nh2 undergoes comprehensive analytical testing, including HPLC for purity, MS for identity confirmation, and amino acid analysis. We provide full traceability and Certificates of Analysis (COA) detailing purity, content, and impurity profiles to support your research and regulatory needs.

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). For long-term storage, it is recommended to keep the material desiccated. Allow the vial to equilibrate to room temperature before opening to minimize moisture absorption.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (HPLC/MS)	Conforms to reference standard
Purity (HPLC)	≥ 95.0%
Single Impurity (HPLC)	≤ 1.0%
Amino Acid Composition	± 10% of theoretical
Peptide Content	≥ 80.0%
Water Content (KF)	≤ 5.0%
Acetate Content (HPIC)	≤ 10.0%

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