Description

Metallothionein CAS NO 9038-94-2 is a low-molecular-weight, cysteine-rich protein with a high affinity for binding essential and toxic heavy metal ions. This compound is crucial for research into metal ion homeostasis, detoxification pathways, and cellular oxidative stress responses. It serves as a vital biochemical tool for scientists and manufacturers in the fields of pharmaceutical research, environmental toxicology, and nutritional biochemistry.

Application

• Biomedical Research: Used as a standard or reagent in studies of metal metabolism, neurodegenerative diseases, and cellular defense mechanisms.
• Environmental Toxicology: Employed as a biomarker to assess exposure and biological response to heavy metals like cadmium, mercury, and lead.
• Nutritional Science: Investigated for its role in zinc and copper homeostasis and its potential antioxidant properties.
• Pharmaceutical Development: Explored in preclinical research for therapeutic applications related to metal chelation and cytoprotection.
• Diagnostic Kit Manufacturing: Serves as a key component in the development of immunoassays and test kits for metal-binding protein detection.
• Reference Standard: Provides a purified standard for quality control and method validation in analytical laboratories.

Basic Information

Product Name	Metallothionein
CAS No.	9038-94-2
Molecular Formula	Variable (Protein)
Molecular Weight	~6-7 kDa (Isoform dependent)
Synonyms	Metallothionein I; Metallothionein II; MT; Metallothionein protein; Cadmium-binding protein; Zinc-binding protein; Metal-thiolate cluster protein; Hepatic metallothionein
EINECS	Contact for details

Quality Control

Our Metallothionein is produced and handled under stringent quality protocols. Each batch undergoes rigorous analytical testing to ensure identity, purity, and activity, meeting the exacting standards required for research and diagnostic applications. A comprehensive Certificate of Analysis (COA) detailing purity (by HPLC), metal content, and biological activity is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. For long-term stability, store desiccated at -20°C or below. This product is hygroscopic (moisture-sensitive). Allow the vial to equilibrate to room temperature before opening to minimize moisture uptake.

Specification

Item	Specification
Appearance	White to off-white lyophilized powder
Identification (HPLC/MS)	Conforms to standard
Purity (HPLC)	≥ 95%
Protein Content (Biuret)	≥ 90%
Metal Content (AAS/ICP)	Specified per batch (e.g., Zn, Cd)
Biological Activity	Metal binding capacity confirmed
Endotoxin Level	< 1.0 EU/mg (for research grades)
Solubility	Soluble in aqueous buffers, dilute acids

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