Description

Casoxin C is a bioactive peptide derived from bovine casein, known for its specific opioid antagonist properties. This high-purity compound is critical for research and development in neuropharmacology and food science, where precise biological activity is required. It serves as an essential tool for researchers and formulators in the pharmaceutical, nutraceutical, and functional food industries seeking to study or modulate opioid receptor interactions.

Application

• Pharmacological Research: Used as a standard reference material in studies investigating opioid receptor mechanisms, antagonist activity, and structure-activity relationships.
• Neuroscience Studies: Employed in vitro and in vivo models to explore the role of casomorphin-derived peptides in pain perception, behavior, and gut-brain axis signaling.
• Functional Food & Nutraceutical Development: Investigated for potential applications in formulating bioactive ingredients aimed at modulating dietary peptide effects.
• Biochemical Assay Standard: Serves as a critical control and calibration standard in HPLC, MS, and ELISA-based assays for peptide quantification and identification.
• Academic & Institutional Research: A key reagent for universities and research institutes focusing on peptide chemistry, dairy protein bioactivity, and nutritional neuroscience.

Basic Information

Product Name	Casoxin C
CAS No.	122607-74-3
Molecular Formula	C41H56N10O12S
Molecular Weight	912.99 g/mol
Synonyms	Tyr-Pro-Ser-Tyr-Gly-Leu-Asn-Tyr; β-Casomorphin (1-8); H-Tyr-Pro-Ser-Tyr-Gly-Leu-Asn-Tyr-OH; Bovine Casoxin C; Casein-derived Opioid Peptide; Opioid Antagonist Peptide; β-CN (60-67); β-Casomorphin-8
EINECS	Contact for details

Quality Control

Our Casoxin C is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing including HPLC for purity, mass spectrometry (MS) for identity confirmation, and amino acid analysis. We provide a detailed Certificate of Analysis (COA) with every shipment, ensuring traceability and compliance with research-grade specifications. Our quality commitment supports reproducible and reliable results for your critical work.

Storage

Preserve in a tightly closed container, protected from light. Store at -20°C or below in a dedicated freezer. This product is hygroscopic (moisture-sensitive). Allow the vial to equilibrate to room temperature in a desiccator before opening to prevent condensation and moisture uptake. For long-term storage, consider under an inert atmosphere.

Specification

Item	Specification
Appearance	White to off-white lyophilized powder
Identification (HPLC & MS)	Conforms to reference standard
Purity (HPLC)	≥ 95.0%
Single Impurity (HPLC)	≤ 1.0%
Water Content (Karl Fischer)	≤ 5.0%
Peptide Content	≥ 80.0% (by amino acid analysis)
Solubility	Soluble in water, dimethyl sulfoxide (DMSO)

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