Description

Anhydrolutein Iii is a high-purity xanthophyll carotenoid, a key intermediate in the synthesis of various lutein esters and related compounds. Its precise chemical structure makes it a valuable standard and building block for research and production in the nutraceutical and pharmaceutical sectors. This compound is essential for manufacturers and R&D laboratories focused on developing advanced carotenoid-based ingredients for human and animal health applications.

Application

• Nutraceutical Ingredient Synthesis: Serves as a critical intermediate in the production of lutein esters and other carotenoid supplements for eye and skin health.
• Pharmaceutical Reference Standard: Used as a high-purity analytical standard for quality control and method development in drug and supplement manufacturing.
• Animal Feed Additive Precursor: Employed in the synthesis of pigments for poultry feed to enhance egg yolk and skin coloration.
• Food Colorant Research: Acts as a starting material for developing natural, stable colorants for the food and beverage industry.
• Cosmetic Formulation: Utilized in R&D for creating skincare products leveraging the antioxidant properties of carotenoids.
• Biochemical Research: Applied in studies investigating the biological activity, metabolism, and stability of carotenoids.

Basic Information

Product Name	Anhydrolutein Iii
CAS No.	752-29-4
Molecular Formula	C₄₀H₅₆O₂
Molecular Weight	568.88 g/mol
Synonyms	Anhydrolutein III; (3R,3'R,6'R)-β,ε-Carotene-3,3'-diol; all-trans-Anhydrolutein; Lutein anhydride; Dehydrolutein; 3,3'-Dihydroxy-β,ε-carotene; ε,ε-Carotene-3,3'-diol; Anhydro Lutein
EINECS	Contact for details

Quality Control

Our Anhydrolutein Iii is produced under strict quality management protocols. Each batch is subjected to comprehensive analytical testing, including HPLC for purity and identity confirmation, to ensure it meets the high standards required for research and synthesis. A Certificate of Analysis (COA) detailing specific results is provided with every shipment to guarantee traceability and consistency.

Storage

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

Specification

Item	Specification
Appearance	Orange to red-orange crystalline powder
Identification (HPLC/UV)	Conforms to reference standard
Assay (HPLC)	≥ 95.0%
Related Substances (HPLC)	Total impurities ≤ 5.0%
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.1%

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