Description

(3S,5R)-3,8-Dihydroxy-κ,χ-Caroten-6-One CAS NO 55906-76-8 is a high-purity, specialized carotenoid derivative, a key intermediate in the synthesis of valuable compounds like astaxanthin. Its precise stereochemistry and functional groups make it a critical building block for advanced research and production in life sciences. This compound is essential for manufacturers and R&D laboratories in the pharmaceutical, nutraceutical, and specialty chemical sectors seeking to develop or produce high-value bioactive molecules.

Application

• Pharmaceutical Intermediate: A crucial chiral precursor in the synthesis of astaxanthin and other potent antioxidant pharmaceuticals.
• Nutraceutical Research: Used in the development and study of high-end dietary supplements and functional food ingredients.
• Biochemical Research: Serves as a standard or reagent in metabolic pathway studies and enzymatic research related to carotenoids.
• Cosmetic Ingredient Synthesis: Employed in the production of premium, bioactive ingredients for anti-aging and skin-protection formulations.
• Analytical Standard: Provides a certified reference material for quality control and analytical method development in related industries.
• Specialty Chemical Production: Acts as a key intermediate for synthesizing complex organic molecules with specific optical activity.

Basic Information

Product Name	(3S,5R)-3,8-Dihydroxy-κ,χ-Caroten-6-One
CAS No.	55906-76-8
Molecular Formula	C40H54O3
Molecular Weight	582.86 g/mol
Synonyms	3,8-Dihydroxy-3',4'-didehydro-β,γ-caroten-6-one; (3S,5R)-3,8-Dihydroxy-3',4'-didehydro-β,γ-caroten-6-one; Astaxanthin intermediate; 3,8-Dihydroxy-κ,χ-caroten-6-one; 3',4'-Didehydro-3,8-dihydroxy-β,γ-caroten-6-one; (3S,5R)-3,8-Dihydroxy-κ,χ-caroten-6-one; Carotenoid derivative 55906-76-8
EINECS	Contact for details

Quality Control

Our (3S,5R)-3,8-Dihydroxy-κ,χ-Caroten-6-One is produced under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC for purity and chiral analysis to confirm stereochemical integrity, ensuring it meets the high standards required for research and synthesis. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and specific impurities is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store under an inert atmosphere (e.g., nitrogen or argon) at 2-8°C or as specified on the label or COA. Keep the container in a cool, dry, and well-ventilated place, away from oxidizing agents.

Specification

Item	Specification
Appearance	Orange to red powder or crystals
Identification (IR)	Conforms to structure
Identification (HPLC)	Conforms to reference
Purity (HPLC)	≥ 95.0%
Chiral Purity (Chiral HPLC)	≥ 98.0% (3S,5R)
Water Content (KF)	≤ 1.0%
Residue on Ignition	≤ 0.5%

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