Description

Cathepsin M CAS NO 81138-43-4 is a proteolytic enzyme belonging to the cysteine protease family, identified by the CAS registry number 81138-43-4. This compound is a critical reagent in biochemical research for studying protein degradation pathways, cellular apoptosis, and lysosomal function. It is essential for researchers and manufacturers in the pharmaceutical, biotechnology, and life science sectors who require high-purity enzymes for diagnostic development, drug discovery, and proteomics research.

Application

• Biochemical Research: Used as a model enzyme to study the mechanisms of cysteine proteases and lysosomal protein turnover.
• Pharmaceutical Development: Employed in screening assays to identify and characterize novel inhibitors for therapeutic applications.
• Proteomics & Biomarker Discovery: A tool for controlled protein digestion and peptide mapping in mass spectrometry analysis.
• Diagnostic Reagent Manufacturing: Incorporated into enzymatic test kits for the detection of specific proteolytic activities.
• Cell Biology Studies: Applied in research investigating programmed cell death (apoptosis) and autophagy.
• Enzyme Characterization: Serves as a standard for kinetic studies and specificity profiling against synthetic substrates.

Basic Information

Item	Detail
Product Name	Cathepsin M
CAS No.	81138-43-4
Molecular Formula	Contact for details
Molecular Weight	Contact for details
Synonyms	Cathepsin M Protease; Cysteine Protease Cathepsin M; CTSM; EC 3.4.22.*; Lysosomal Cysteine Proteinase M; Cathepsin M Enzyme
EINECS	Contact for details

Quality Control

Our Cathepsin M is produced and tested under stringent quality management systems to ensure batch-to-batch consistency and high biological activity. Each lot is accompanied by a comprehensive Certificate of Analysis (COA) detailing purity, specific activity, and stability data. We adhere to relevant guidelines for research-grade biochemicals to guarantee reliable performance in your critical applications.

Storage

Preserve in a tightly closed container, protected from light. Store at -20°C or below for long-term stability. This product is hygroscopic (moisture-sensitive); ensure the container is kept sealed in a dry environment to maintain activity. Avoid repeated freeze-thaw cycles.

Specification

Item	Specification
Appearance	White to off-white lyophilized powder
Identification (IR)	Conforms to standard
Purity (SDS-PAGE)	≥ 90%
Specific Activity	≥ 50 units/mg protein
Protein Content (Bradford)	Contact for details
Solubility	Soluble in aqueous buffers
Endotoxin Level (LAL)	< 1.0 EU/μg

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