Description

But-Fucoxanthin, 19'-(Sh) is a specific, high-purity derivative of the naturally occurring carotenoid fucoxanthin, identified by CAS No. 111234-30-1. This compound is valued for its potent bioactive properties, which are of significant interest in advanced research and high-value product development. It is primarily sought by professionals in the nutraceutical, cosmeceutical, and life science research sectors for applications requiring standardized, high-quality bioactive ingredients.

Application

• Nutraceutical Formulations: Used as a key bioactive ingredient in dietary supplements targeting metabolic health and antioxidant support.
• Cosmeceutical Products: Incorporated into skincare formulations for its potential anti-aging and skin-brightening properties.
• Biomedical Research: Serves as a reference standard and active compound in pharmacological and biochemical studies, particularly in metabolic and oncology research.
• Functional Food & Beverages: Added to enhance the nutritional profile of health-focused food and drink products.
• Analytical Standard: Employed as a high-purity calibration standard in HPLC and LC-MS analysis for quality control of fucoxanthin-containing products.

Basic Information

Product Name	But-Fucoxanthin, 19'-(Sh)
CAS No.	111234-30-1
Molecular Formula	Contact for details
Molecular Weight	Contact for details
Synonyms	19'-Butanoyloxyfucoxanthin; 19'-Butanoyloxyfucoxanthin (Sh form); Butanoyl-fucoxanthin; Fucoxanthin butanoate derivative; Alloxanthin derivative; (3S,5R,6S,3'S,5'R,6'R)-5,6-Epoxy-3'-butanoyloxy-3,5'-dihydroxy-6',7'-didehydro-5,6,7,8,5',6'-hexahydro-β,β-caroten-8-one 3-acetate
EINECS	Contact for details

Quality Control

Our But-Fucoxanthin, 19'-(Sh) is produced under stringent quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation, to ensure it meets the high standards required for research and formulation. Certificates of Analysis (COA) detailing batch-specific results are available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store under an inert atmosphere (e.g., nitrogen or argon) at recommended cold temperatures (e.g., -20°C or as specified on the label) to minimize oxidation and ensure long-term stability. Allow the container to reach room temperature before opening to prevent moisture condensation.

Specification

Item	Specification
Appearance	Orange to brownish-orange powder
Identification (HPLC)	Conforms
Identification (UV-Vis)	Conforms
Assay (HPLC)	≥95.0%
Related Substances (HPLC)	Total impurities ≤5.0%
Solvent Residue (GC)	Meets ICH guidelines
Heavy Metals	<10 ppm

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