Description

(3S,3'S)-4',5'-Didehydro-4,5'-Retro-β,β-Carotene-3,3'-Diol CAS NO 472-73-1 is a specialized retro-carotenoid derivative, structurally related to astaxanthin and zeaxanthin. This compound is valued for its potent antioxidant properties and unique molecular configuration, which make it a compound of significant interest in advanced research and high-value applications. It is primarily sought by manufacturers and research institutions in the nutraceutical, cosmetic, and pharmaceutical sectors for its potential bioactive benefits.

Application

• Nutraceutical Ingredient: Investigated as a high-potency antioxidant for dietary supplements and functional foods.
• Cosmetic Actives: Used in premium skincare formulations for anti-aging and skin-protective properties.
• Pharmaceutical Research: Serves as a key intermediate or reference standard in the development of novel therapeutic agents.
• Biochemical Research: Employed as a probe or standard in studies of carotenoid metabolism, antioxidant mechanisms, and photobiology.
• Animal Nutrition: Potential application in aquaculture and poultry feed for pigmentation and health enhancement.
• Food Colorant Research: Studied for its potential as a natural colorant with added functional benefits.

Basic Information

Product Name	(3S,3'S)-4',5'-Didehydro-4,5'-Retro-β,β-Carotene-3,3'-Diol
CAS No.	472-73-1
Molecular Formula	C₄₀H₅₂O₂
Molecular Weight	564.85 g/mol
Synonyms	4',5'-Didehydro-4,5'-retro-β,β-carotene-3,3'-diol; Retro-astaxanthin; 3,3'-Dihydroxy-4',5'-didehydro-4,5'-retro-β,β-carotene; (3S,3'S)-Astaxanthin; Didehydroretroastaxanthin; (3S,3'S)-all-trans-Retroastaxanthin
EINECS	Contact for details

Quality Control

Our production of (3S,3'S)-4',5'-Didehydro-4,5'-Retro-β,β-Carotene-3,3'-Diol adheres to stringent quality management protocols. Each batch is analyzed using advanced techniques like HPLC and NMR to ensure identity, purity, and consistency. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing all relevant specifications. Our quality systems are designed to support research and commercial applications requiring high-purity reference standards and intermediates.

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. This product is easily oxidized and light-sensitive; prolonged exposure to air, light, or elevated temperatures should be avoided to maintain stability and potency.

Specification

Item	Specification
Appearance	Red to dark red powder or crystals
Identification (HPLC)	Conforms to reference standard
Identification (UV-Vis)	Conforms
Purity (HPLC)	≥ 95% (Higher grades available)
Loss on Drying	≤ 2.0%
Heavy Metals	≤ 20 ppm
Residual Solvents	Meets ICH guidelines

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