Description

(3S,3'S)-7,8-Didehydroastaxanthin is a specific, high-purity stereoisomer of the potent carotenoid antioxidant, didehydroastaxanthin. This compound is valued for its superior stability and enhanced biological activity compared to standard astaxanthin derivatives, making it a premium ingredient for advanced research and formulation. It is primarily sought by manufacturers and researchers in the nutraceutical, cosmeceutical, and pharmaceutical industries for developing high-performance antioxidant and anti-inflammatory products.

Application

• Premium Nutraceutical Formulations: As a key active ingredient in high-end dietary supplements targeting oxidative stress, eye health, and cognitive support.
• Advanced Cosmeceuticals: Incorporated into anti-aging serums, creams, and lotions for its potent skin-protective and rejuvenating properties.
• Pharmaceutical Research & Development: Used as a reference standard and active pharmaceutical ingredient (API) in studies concerning inflammation, neurodegeneration, and metabolic syndromes.
• Functional Food & Beverage Fortification: For enhancing the nutritional profile of health-focused foods and drinks with a stable, bioactive carotenoid.
• Animal Nutrition (Aquaculture & Poultry): To improve pigmentation and overall health in breeding stocks, particularly in premium segments.
• Biochemical Research: As a critical reagent in studying carotenoid biosynthesis, antioxidant mechanisms, and cell signaling pathways.

Basic Information

Product Name	(3S,3'S)-7,8-Didehydroastaxanthin
CAS No.	19866-02-5
Molecular Formula	C40H50O4
Molecular Weight	594.83 g/mol
Synonyms	7,8-Didehydroastaxanthin; (3S,3'S)-Astaxanthin; all-(E)-7,8-Didehydroastaxanthin; 3,3'-Dihydroxy-β,β-carotene-4,4'-dione; Astaxanthin didehydro derivative; (3S,3'S)-all-E-7,8-Didehydroastaxanthin
EINECS	Contact for details

Quality Control

Our (3S,3'S)-7,8-Didehydroastaxanthin is produced under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC for purity and chiral confirmation, to ensure it meets exacting standards for research and commercial use. Certificates of Analysis (COA) detailing identity, purity, and impurity profiles are available upon request to support your quality assurance and regulatory compliance needs.

Storage

Preserve in a tightly closed container, protected from light. For long-term stability, store at -20°C or below under an inert atmosphere (e.g., nitrogen or argon) to prevent oxidation. Allow the container to reach room temperature before opening to minimize moisture condensation.

Specification

Item	Specification
Appearance	Dark red to violet crystalline powder
Identification (HPLC/UV)	Conforms to reference standard
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Chiral Purity (Chiral HPLC)	≥ 98.0% (3S,3'S)-isomer
Loss on Drying	≤ 2.0%
Residue on Ignition	≤ 0.5%
Heavy Metals (as Pb)	≤ 20 ppm

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