Description

3'-Hydroxy-E,E-Caroten-3-One is a specialized carotenoid derivative, a member of the xanthophyll family. This compound is valued for its role as a key intermediate and reference standard in the synthesis and analysis of complex natural pigments. It is primarily sought by research institutions and manufacturers in the nutraceutical, cosmetic, and food ingredient sectors for product development and quality control applications.

Application

• Reference Standard in Analytical Chemistry: Used for the identification and quantification of carotenoids in complex matrices via HPLC and LC-MS.
• Nutraceutical Research & Development: Serves as a critical intermediate in the synthesis of bioactive carotenoids for dietary supplements.
• Cosmetic Ingredient Development: Investigated for its potential antioxidant properties in skincare formulations.
• Food Science & Colorant Studies: Employed in research on natural food colorants and their stability.
• Biochemical Research: Used in studies of carotenoid metabolism, absorption, and biological activity.
• Pharmaceutical Intermediates: Acts as a building block for the synthesis of more complex pharmaceutical agents.

Basic Information

Item	Detail
Product Name	3'-Hydroxy-E,E-Caroten-3-One
CAS No.	140460-59-9
Molecular Formula	C40H56O2
Molecular Weight	568.88 g/mol
Synonyms	3'-Hydroxyechinenone; 3'-Hydroxy-β,β-caroten-4-one; 3'-Hydroxy-4-keto-β-carotene; all-E-3'-Hydroxy-β,β-caroten-4-one; (3'R)-3'-Hydroxy-β,β-caroten-4-one (for enantiomer); Carotenoid Xanthophyll Derivative
EINECS	Contact for details

Quality Control

Every batch of 3'-Hydroxy-E,E-Caroten-3-One is produced and analyzed under strict quality management protocols. We provide comprehensive Certificates of Analysis (COA) that detail purity, identity, and impurity profiles, ensuring traceability and compliance with research-grade standards. Our quality systems are designed to support applications requiring high-purity reference materials.

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 crystalline powder or solid
Identification (HPLC)	Retention time corresponds to reference standard
Identification (UV-Vis)	Spectrum corresponds to reference standard
Purity (HPLC, Area %)	≥ 95.0%
Related Substances (HPLC)	Total impurities ≤ 5.0%
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.5%

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