Description

Streptococcal Beta Antigen CAS NO 138360-85-7 is a highly purified antigenic preparation derived from the cell wall of Streptococcus bacteria, specifically targeting the beta antigen. This product is essential for research, diagnostic development, and quality control in the life sciences sector. It serves as a critical reagent for immunologists, microbiologists, and diagnostic manufacturers requiring specific and reliable biological materials for assay standardization and vaccine research.

Application

• Diagnostic Kit Development: Used as a key antigenic component in the production of ELISA, lateral flow assays, and other immunoassays for the detection of streptococcal infections.
• Vaccine Research & Development: Acts as a reference standard and immunogen in the study and formulation of vaccines targeting Streptococcus species.
• Antibody Production & Purification: Employed for the immunization of animals to generate specific polyclonal or monoclonal antibodies.
• Quality Control & Assay Standardization: Serves as a positive control and calibrator in laboratory tests to ensure the accuracy and reproducibility of diagnostic results.
• Immunological Studies: Utilized in basic research to investigate host-pathogen interactions, immune response mechanisms, and antigenic properties of streptococci.
• Pharmaceutical Testing: Applied in the quality assurance processes for products derived from or tested against streptococcal components.

Basic Information

Product Name	Streptococcal Beta Antigen
CAS No.	138360-85-7
Molecular Formula	Contact for details
Molecular Weight	Contact for details
Synonyms	Streptococcus Beta Antigen; Group A Streptococcal Beta Antigen; Beta Antigen Streptococcus; Streptococcal Group A Beta Antigen; β-Hemolytic Streptococcal Antigen; Streptococcus pyogenes Beta Antigen; Lancefield Group A Beta Antigen
EINECS	Contact for details

Quality Control

Our Streptococcal Beta Antigen is produced under stringent quality management systems. Each batch undergoes comprehensive analytical testing, including identity confirmation, purity assessment, and biological activity evaluation to ensure consistency and reliability for critical research and diagnostic applications. Certificates of Analysis (COA) detailing purity, protein content, and specific activity are available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store at 2-8°C. This material is hygroscopic (moisture-sensitive). For long-term storage, consider aliquoting and storing at ≤ -20°C. Avoid repeated freeze-thaw cycles.

Specification

Item	Specification
Appearance	White to off-white lyophilized powder or solution
Identification (IR / Immunodiffusion)	Conforms to Standard
Protein Content (Bradford / BCA)	> 90%
Purity (SDS-PAGE / HPLC)	Major band > 95%
Biological Activity (ELISA)	Contact for details
Endotoxin Level (LAL)	< 1.0 EU/mg
Solubility	Soluble in PBS or suitable aqueous buffers
Moisture Content (Karl Fischer)	< 5.0%

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