Description

L-Asp-o-Sulfo-L-Tyr-L-Val-Gly-L-Trp-L-Met-L-Asp-L-Phe-Nh2 is a chemically synthesized peptide derivative of significant interest in advanced biochemical research and development. This compound is valued for its specific structural motifs, which are critical for studying receptor-ligand interactions and signal transduction pathways. It serves as a key intermediate or reference standard for pharmaceutical and biotechnology companies focused on peptide-based therapeutics, diagnostic agents, and high-purity biochemical reagents.

Application

• Pharmaceutical Research: As a reference standard or active pharmaceutical ingredient (API) intermediate in the development of novel peptide-based drugs targeting metabolic and neurological disorders.
• Biochemical Assay Development: Utilized as a high-purity ligand or substrate in enzyme-linked immunosorbent assays (ELISAs), receptor binding studies, and other in vitro diagnostic (IVD) applications.
• Academic & Contract Research: Serves as a critical tool for universities and CROs (Contract Research Organizations) investigating peptide structure-activity relationships (SAR) and molecular biology mechanisms.
• Peptide Library Synthesis: Used as a building block or template for constructing specialized peptide libraries for high-throughput screening (HTS) in drug discovery programs.
• Cosmeceutical R&D: Investigated for potential applications in advanced skincare formulations targeting specific cellular pathways, given its bioactive peptide structure.

Basic Information

Product Name	L-Asp-o-Sulfo-L-Tyr-L-Val-Gly-L-Trp-L-Met-L-Asp-L-Phe-Nh2
CAS No.	98253-94-2
Molecular Formula	C55H70N12O18S2
Molecular Weight	1227.34 g/mol
Synonyms	Aspartyl-sulfotyrosyl-valyl-glycyl-tryptophyl-methionyl-aspartyl-phenylalaninamide; CCK-8 (Sulfated); Cholecystokinin (26-33), sulfated; CCK-8 sulfate; Sulfated CCK-8; CCK Octapeptide, Sulfated; [Tyr(SO3H)27]-CCK (26-33); Cholecystokinin fragment 26-33 amide, sulfated
EINECS	Contact for details

Quality Control

Our L-Asp-o-Sulfo-L-Tyr-L-Val-Gly-L-Trp-L-Met-L-Asp-L-Phe-Nh2 is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC for purity, mass spectrometry for identity confirmation, and tests for residual solvents and moisture content. We provide a detailed Certificate of Analysis (COA) with every shipment, ensuring traceability and compliance with your research or development specifications.

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, consider desiccant and under an inert atmosphere. Allow the sealed 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)	≤ 2.0%
Water Content (KF)	≤ 5.0%
Peptide Content	≥ 80.0%
Solubility	Soluble in water, DMSO

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