Description

(3R,3')-All-trans-Astaxanthin CAS NO 71772-51-5 is a high-purity, naturally occurring keto-carotenoid renowned for its potent antioxidant properties. Its exceptional ability to quench free radicals and protect against oxidative stress makes it a critical ingredient in premium health and wellness formulations. This compound is essential for manufacturers in the nutraceutical, cosmetic, and aquaculture industries seeking to enhance product efficacy and value.

Application

• Nutraceuticals & Dietary Supplements: A key active ingredient in antioxidant formulas, eye health supplements, and anti-aging products for human consumption.
• Aquaculture & Animal Feed: Used as a pigmenter in salmonid and shrimp feed to impart the characteristic pink-red flesh color and improve animal health and survival rates.
• Cosmetics & Personal Care: Incorporated into anti-aging serums, creams, and sun care products for its skin-protective and rejuvenating benefits.
• Functional Foods & Beverages: Added to health drinks, fortified foods, and sports nutrition products for its antioxidant capacity.
• Pharmaceutical Research: Serves as a reference standard and an active pharmaceutical ingredient (API) in research for inflammatory and metabolic conditions.
• Premium Pet Food: Enhances the color and nutritional profile of feed for ornamental fish, birds, and other pets.

Basic Information

Product Name	(3R,3')-All-trans-Astaxanthin
CAS No.	71772-51-5
Molecular Formula	C40H52O4
Molecular Weight	596.84 g/mol
Synonyms	Astaxanthin, all-trans-Astaxanthin; (3R,3'R)-Astaxanthin; Astaxanthin (natural); 3,3'-Dihydroxy-β,β-carotene-4,4'-dione; Ovoester; Carophyll Pink; Lucantin Pink; CI 40800; E 161j
EINECS	Contact for details

Quality Control

Our (3R,3')-All-trans-Astaxanthin is produced and tested under strict quality management systems. We ensure compliance with relevant standards for food, feed, and nutraceutical applications, including FCC and USP where applicable. Every batch is supported by a comprehensive Certificate of Analysis (COA) detailing purity, identity, and safety parameters, available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store under an inert atmosphere (e.g., nitrogen) at 2-8°C to minimize oxidation and ensure long-term stability. Keep the container in a cool, dry, and well-ventilated area, separate from incompatible materials.

Specification

Item	Specification
Appearance	Dark red to violet crystalline powder
Identification (HPLC/UV-Vis)	Conforms
Assay (HPLC)	≥ 95.0% (all-trans-Astaxanthin)
Total Carotenoids	≥ 96.0%
Heavy Metals (as Pb)	≤ 10 ppm
Residual Solvents (GC)	Meets ICH guidelines
Microbiological Analysis	Meets standard limits for intended use

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