Description

α-Doradexanthin 3'-Ketone is a specialized keto-carotenoid pigment, a key derivative in the xanthophyll family. This compound is valued for its potent antioxidant properties and its role as a natural colorant and bioactive precursor. It is primarily sought by manufacturers in the nutraceutical, cosmetic, and animal feed industries for formulating high-value products. Our supply ensures consistent quality and purity for demanding commercial and research applications.

Application

• Nutraceutical Formulations: Used as a premium antioxidant ingredient in dietary supplements and functional foods.
• Cosmetic & Personal Care: Incorporated into skincare products for its potential protective benefits against oxidative stress.
• Aquaculture & Animal Feed: Serves as a natural pigment source to enhance the coloration of fish, shrimp, and poultry.
• Pharmaceutical Research: Employed as a reference standard or an active pharmaceutical ingredient (API) intermediate in clinical studies.
• Food Colorant: Acts as a natural coloring agent in food products where a yellow to orange hue is desired.
• Biochemical Research: Utilized in studies of carotenoid metabolism, photosynthesis, and antioxidant mechanisms.

Basic Information

Product Name	α-Doradexanthin 3'-Ketone
CAS No.	60147-71-9
Molecular Formula	C40H52O3
Molecular Weight	580.85 g/mol
Synonyms	3'-Keto-α-doradexanthin; 3'-Keto-α-cryptoxanthin; (3R,3'R,6'R)-β,β-Carotene-3,3'-dione; Adonixanthin 3'-ketone; α-Cryptoxanthin 3'-one; 3'-Oxo-α-cryptoxanthin; α-Doradexanthinone
EINECS	Contact for details

Quality Control

Our α-Doradexanthin 3'-Ketone is produced and tested under strict quality management systems. Each batch is analyzed to ensure high purity and consistency, with specifications suitable for research and commercial use. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every shipment to guarantee traceability and compliance.

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

Specification

Item	Specification
Appearance	Orange to red powder or crystalline solid
Identification (HPLC/UV)	Conforms to reference standard
Assay (HPLC)	≥ 95.0%
Loss on Drying	≤ 2.0%
Heavy Metals (as Pb)	≤ 20 ppm
Residual Solvents (GC)	Meets ICH guidelines

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