Description

(6'ξ)-β,ε-Carotene-2',3-Diol CAS NO 70858-55-8 is a specialized, high-purity carotenoid derivative, a member of the xanthophyll family. This compound is valued for its potent antioxidant properties and its role as a key intermediate in the synthesis of other valuable bioactive molecules. It is primarily sought by manufacturers in the nutraceutical, pharmaceutical, and high-end food ingredient sectors for research, development, and production applications.

Application

• Nutraceutical Ingredient: Used in the formulation of advanced antioxidant and vision health supplements.
• Pharmaceutical Intermediate: Serves as a critical building block in the synthesis of specialized retinoids and other therapeutic agents.
• Food & Beverage Fortification: Employed as a natural colorant and functional nutrient in premium health food products and beverages.
• Cosmetic & Personal Care: Incorporated into anti-aging skincare formulations for its antioxidant and protective benefits.
• Biochemical Research: Used as a standard or reagent in studies related to carotenoid metabolism, oxidative stress, and photobiology.
• Animal Nutrition: Applied in specialty feed for aquaculture and poultry to enhance coloration and health.

Basic Information

Product Name	(6'ξ)-β,ε-Carotene-2',3-Diol
CAS No.	70858-55-8
Molecular Formula	C₄₀H₅₆O₂
Molecular Weight	568.88 g/mol
Synonyms	3-Hydroxy-β,ε-caroten-3'-ol; 3'-Hydroxy-ε,ε-caroten-3-ol; (3R,3'R)-β,ε-Carotene-3,3'-diol (all-E)-isomer; Zeaxanthin isomer; Xanthophyll derivative; Carotenoid diol; (all-E)-3,3'-Dihydroxy-β,ε-carotene
EINECS	Contact for details

Quality Control

Our (6'ξ)-β,ε-Carotene-2',3-Diol is produced under strict quality management systems. Each batch is subjected to comprehensive analytical testing including HPLC for purity and identity confirmation to ensure it meets stringent specifications. Certificates of Analysis (COA) documenting purity, related substances, and residual solvents are provided with every shipment. We support compliance with cGMP, ISO, and relevant food/pharmaceutical guidelines as required.

Storage

Preserve in a tightly closed container, protected from light. Store under an inert atmosphere (e.g., nitrogen or argon) at 2-8°C (refrigerated) or as specified on the label. The container should be kept in a cool, dry, and well-ventilated area away from heat and ignition sources. Allow the container to reach room temperature before opening to prevent moisture condensation.

Specification

Item	Specification
Appearance	Orange to red crystalline powder
Identification (HPLC/UV)	Conforms to reference standard
Assay (HPLC)	≥ 95.0%
Related Substances (HPLC)	Total impurities ≤ 5.0%
Loss on Drying	≤ 2.0%
Residual Solvents (GC)	Meets ICH Q3C guidelines
Heavy Metals	≤ 20 ppm

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