Description

Complement C 3B CAS NO 80295-43-8 is a high-purity biochemical reagent, specifically a component of the complement system, which is a crucial part of the innate immune response. This compound is essential for research and development in immunology, diagnostics, and therapeutic applications. It is primarily utilized by biotechnology firms, pharmaceutical R&D laboratories, and diagnostic kit manufacturers for studying immune pathways, developing assays, and formulating biological products.

Application

• Immunological Research: Used as a critical reagent in studying the classical and alternative complement activation pathways.
• Diagnostic Kit Manufacturing: Serves as a key component in the production of immunoassay kits for detecting complement-related disorders and autoimmune diseases.
• Biopharmaceutical Development: Employed in the formulation and quality control of therapeutic proteins and antibodies where complement activity is a factor.
• Cell Culture & In Vitro Studies: Utilized in cell-based assays to investigate the role of complement in inflammation and cell lysis.
• Quality Control Reference Standard: Acts as a reference material for the calibration and validation of analytical methods in QC laboratories.
• Academic Research: Supports fundamental research in universities and institutes focused on immunology and host defense mechanisms.

Basic Information

Product Name	Complement C 3B
CAS No.	80295-43-8
Molecular Formula	Contact for details
Molecular Weight	Contact for details
Synonyms	C3b Complement; Complement Component 3b; Activated Complement C3; C3 Convertase Product; C3b Fragment; Complement C3b Fragment; Complement 3b
EINECS	Contact for details

Quality Control

Our Complement C 3B is produced under stringent quality management systems. Each batch undergoes rigorous analytical testing, including purity assay and activity verification, to ensure it meets the high standards required for research and diagnostic applications. Certificates of Analysis (COA) detailing specific batch results are available upon request to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store at controlled room temperature (15-25°C) or as specified on the label. This product is hygroscopic (moisture-sensitive) and must be kept in a dry environment. For long-term stability, consider storage at -20°C in aliquots to avoid repeated freeze-thaw cycles.

Specification

Item	Specification
Appearance	White to off-white powder or lyophilized solid
Identification (IR/HPLC)	Conforms to reference standard
Purity (HPLC)	≥ 95%
Protein Content	Determined by UV absorbance
Biological Activity	Assessed by functional assay (e.g., hemolytic assay)
Endotoxin Level	< 1.0 EU/mg
Solubility	Soluble in appropriate aqueous buffers
Moisture Content (KF)	< 5.0%

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