Description

Preproabrin CAS NO 138340-59-7 is a high-purity chemical intermediate of significant interest in advanced pharmaceutical research and development. Its defined molecular structure makes it a valuable building block for the synthesis of complex bioactive molecules. This compound is primarily utilized by research institutions and pharmaceutical companies engaged in the discovery and production of novel therapeutic agents, where consistent quality and reliable supply are paramount.

Application

• Pharmaceutical Intermediate: Serves as a critical precursor in the multi-step synthesis of active pharmaceutical ingredients (APIs) and investigational new drugs.
• Biochemical Research: Used as a reference standard or reagent in proteomics and enzymology studies to investigate biological pathways.
• Peptide Synthesis: Acts as a protected amino acid derivative or specialized building block in solid-phase and solution-phase peptide synthesis.
• Academic Research: Employed in university and institutional labs for methodological development and structure-activity relationship (SAR) studies.
• Contract Manufacturing (CMO): Supplied to contract research and manufacturing organizations (CROs/CMOs) for custom synthesis projects under cGMP conditions.

Basic Information

Product Name	Preproabrin
CAS No.	138340-59-7
Molecular Formula	Contact for details
Molecular Weight	Contact for details
Synonyms	Preproabrin; Abrin Precursor; Abrin A-Chain Precursor; Pre-pro-abrin; Ricin-like Toxin Precursor; Lectin Precursor Protein; Toxalbumin Precursor; 138340-59-7
EINECS	Contact for details

Quality Control

Our Preproabrin is produced and handled under a strict quality management system to ensure batch-to-batch consistency and purity suitable for research applications. All materials are subjected to rigorous analytical testing, including chromatographic and spectroscopic methods. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with each shipment to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at a controlled room temperature (typically 15-25°C). Due to its hygroscopic (moisture-sensitive) nature, the container should be kept in a desiccated environment and allowed to reach ambient temperature before opening to prevent moisture condensation.

Specification

Item	Specification
Appearance	White to off-white solid
Identification (IR)	Conforms to reference spectrum
Purity (HPLC)	≥ 95.0%
Water Content (KF)	≤ 5.0%
Heavy Metals	≤ 20 ppm
Residual Solvents (GC)	Meets ICH guidelines

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