Description

3-Hydroxy-B,E-Caroten-3'-One is a specialized carotenoid derivative, a compound belonging to the xanthophyll class known for its color and antioxidant properties. This high-purity ingredient is critical for applications demanding precise chemical structure and consistent performance. It is primarily utilized by manufacturers in the nutraceutical, cosmetic, and food colorant industries for its functional benefits.

Application

• Dietary Supplements & Nutraceuticals: Used as a key ingredient in formulations for eye health and antioxidant support, leveraging its carotenoid structure.
• Functional Food & Beverage Fortification: Incorporated as a natural colorant and bioactive component in health-focused food products.
• Cosmetic & Personal Care: Employed in skincare formulations for its potential antioxidant properties to protect skin from environmental stressors.
• Animal Nutrition (Feed Additives): Used in poultry feed to enhance yolk coloration and in aquaculture to improve the flesh color of farmed fish.
• Pharmaceutical Intermediates: Serves as a chiral building block or precursor in the synthesis of more complex pharmaceutical compounds.
• Research & Development: Used as a standard or reference material in analytical chemistry and biochemical research studies.

Basic Information

Product Name	3-Hydroxy-B,E-Caroten-3'-One
CAS No.	32729-11-6
Molecular Formula	C40H56O2
Molecular Weight	568.88 g/mol
Synonyms	3'-Hydroxy-ε,β-caroten-3-one; 3-Hydroxy-β,ε-caroten-3'-one; 3'-Hydroxyechinenone; ε,β-Caroten-3-one, 3'-hydroxy-; (3R,3'R)-3,3'-Dihydroxy-β,ε-caroten-4-one (related isomer); Carotenoid Xanthophyll Derivative; Alloxanthin (common name for related compounds); Contact for additional trade names.
EINECS	Contact for details

Quality Control

Our 3-Hydroxy-B,E-Caroten-3'-One is produced under strict quality management systems. Each batch undergoes rigorous analytical testing to ensure identity, purity, and consistency. We provide comprehensive Certificates of Analysis (COA) detailing specifications such as assay, impurity profile, and physical characteristics. Quality standards are aligned with industry requirements for nutraceutical and cosmetic ingredients.

Storage

Preserve in a tightly closed container, protected from light. Store under an inert atmosphere (e.g., nitrogen) at a controlled room temperature (15-25°C) to minimize oxidation and degradation. Keep the container in a cool, dry, and well-ventilated area, separate from incompatible materials.

Specification

Item	Specification
Appearance	Orange to red powder or crystals
Identification (IR)	Conforms to structure
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.