Description

(3S,3'R,5S,6R)-5,6-Epoxy-5,6-Dihydro-β,β-Carotene-3,3'-Diol is a specialized xanthophyll carotenoid derivative, known for its unique epoxy structure. This compound is valued for its potent antioxidant properties and its role as a key intermediate in the biosynthesis of other important carotenoids. It is primarily sought after by manufacturers in the nutraceutical, cosmetic, and food ingredient sectors for product development and research. The CAS number for this compound is provided separately in the basic information below.

Application

• Nutraceutical & Dietary Supplement Formulation: Used as an active ingredient or a precursor in supplements targeting eye health and antioxidant support.
• Cosmetic & Personal Care Products: Incorporated into anti-aging serums, creams, and lotions for its skin-protective and antioxidant benefits.
• Food & Beverage Fortification: Serves as a functional food additive to enhance the nutritional profile of health-focused products.
• Pharmaceutical Research: Employed as a reference standard or an intermediate in the synthesis of novel therapeutic agents.
• Animal Nutrition: Used in feed premixes for poultry and aquaculture to support animal health and improve product coloration.
• Biochemical Research: A vital compound for studying carotenoid metabolism, antioxidant mechanisms, and photoprotection in biological systems.

Basic Information

Product Name	(3S,3'R,5S,6R)-5,6-Epoxy-5,6-Dihydro-β,β-Carotene-3,3'-Diol
CAS No.	25494-45-5
Molecular Formula	C₄₀H₅₆O₃
Molecular Weight	584.88 g/mol
Synonyms	5,6-Epoxy-5,6-dihydro-β,β-carotene-3,3'-diol; Antheraxanthin; (3S,3'R,5S,6R)-Antheraxanthin; 5,6-Epoxyzeaxanthin; (3S,3'R,5S,6R)-5,6-Epoxyzeaxanthin; 5,6-Epoxy-3,3'-dihydroxy-β-carotene; Violaxanthin precursor; Carotenoid epoxy alcohol
EINECS	Contact for details

Quality Control

Our (3S,3'R,5S,6R)-5,6-Epoxy-5,6-Dihydro-β,β-Carotene-3,3'-Diol is produced and tested under strict quality management systems. We offer grades suitable for research, food, and nutraceutical applications, with purity levels tailored to your requirements. Certificates of Analysis (COA) detailing identity, purity, and related substance profiles are provided with every batch to ensure full traceability and compliance with your specifications.

Storage

Preserve in a tightly closed container, protected from light. Store under an inert atmosphere (e.g., nitrogen or argon) at 2-8°C (refrigerated) or as specified on the label or COA. This product is light-sensitive and easily oxidized; prolonged exposure to air, light, or elevated temperatures should be avoided to maintain stability and potency.

Specification

Item	Specification
Appearance	Orange to red powder or crystalline solid
Identification (HPLC/UV)	Conforms to reference standard
Identification (IR)	Conforms to reference spectrum
Assay (HPLC)	≥95.0% (Typical 97-99%)
Related Substances (HPLC)	Total impurities ≤5.0%
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.