Description

L-Aspartic Acid, n-[[(3',6'-Dihydroxy-3-Oxospiro[Isobenzofuran-1(3H),9'-[9H]Xanthen]-6-Yl)Amino]Thioxomethyl]-L-Tyrosyl-L-Valyl-L-Alanyl- CAS NO 1926163-33-8 is a sophisticated, custom-designed peptide derivative that incorporates a fluorescein-based reporter group. This compound is engineered for high-value research and diagnostic applications, offering precise molecular recognition and signaling capabilities. It is primarily utilized by pharmaceutical researchers, biotech developers, and diagnostic kit manufacturers engaged in advanced proteomics, assay development, and targeted molecular imaging.

Application

• Protease Activity Assays: Serves as a highly specific fluorogenic substrate for detecting and quantifying the activity of target proteolytic enzymes.
• Biochemical Research: Used in mechanistic studies of enzyme kinetics, inhibition profiling, and substrate specificity mapping.
• Diagnostic Development: A key component in the formulation of sensitive and selective in-vitro diagnostic (IVD) tests and research-use-only (RUO) kits.
• High-Throughput Screening (HTS): Enables the rapid screening of compound libraries for drug discovery programs targeting specific proteases.
• Molecular Imaging Probes: Can be utilized in the development of activatable probes for cellular or in-vivo imaging applications.
• Quality Control in Biologics: Assists in monitoring the presence and activity of specific enzymes during biopharmaceutical manufacturing processes.

Basic Information

Product Name	L-Aspartic Acid, n-[[(3',6'-Dihydroxy-3-Oxospiro[Isobenzofuran-1(3H),9'-[9H]Xanthen]-6-Yl)Amino]Thioxomethyl]-L-Tyrosyl-L-Valyl-L-Alanyl-
CAS No.	1926163-33-8
Molecular Formula	Contact for details
Molecular Weight	Contact for details
Synonyms	Fluorescein-Labeled Peptide Substrate; Fluorogenic Peptide Substrate; Asp-Tyr-Val-Ala-Fluorescein Derivative; F-X Substrate; Custom Fluorescein Conjugate; Protease Substrate 1926163-33-8; Thioxomethyl Peptide Derivative
EINECS	Contact for details

Quality Control

This high-purity biochemical is manufactured under strict quality systems. Each batch is characterized using advanced analytical techniques including HPLC, mass spectrometry (MS), and NMR to confirm identity, purity, and functional integrity. We provide comprehensive Certificates of Analysis (COA) with detailed chromatographic and spectroscopic data, ensuring traceability and consistency for your critical research and development work.

Storage

Preserve in a tightly closed container, protected from light. Store at -20°C or below in a freezer. This compound is hygroscopic (moisture-sensitive). Allow the vial to equilibrate to room temperature in a desiccator before opening to minimize condensation and moisture uptake.

Specification

Item	Specification
Appearance	Yellow to orange solid
Identification (HPLC/MS)	Conforms
Purity (HPLC)	≥ 95%
Water Content (KF)	≤ 2.0%
Solubility	Soluble in DMSO, DMF

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