Description

(3R,3'S)-ε,ε-Carotene-3,3'-Diol CAS NO 63597-82-0 is a high-purity, stereospecific xanthophyll carotenoid, a vital member of the oxygenated carotenoid family. This compound is prized for its potent antioxidant properties and its role as a key precursor in biological pathways. It is an essential ingredient for manufacturers in the nutraceutical, food, and cosmetic industries seeking to enhance product functionality and stability. Our supply ensures consistent quality and reliable availability for global B2B partners.

Application

• Nutraceutical & Dietary Supplements: A critical active ingredient in formulations targeting eye health, skin protection, and overall antioxidant support.
• Food & Beverage Fortification: Used as a functional food additive to provide nutritional value and natural color stability in health-focused products.
• Cosmetic & Personal Care: Incorporated into anti-aging serums, creams, and sun care products for its skin-protective and antioxidant benefits.
• Pharmaceutical Intermediates: Serves as a key chiral building block or reference standard in the synthesis of specialized pharmaceutical compounds.
• Animal Nutrition: Applied in premium feed formulations for aquaculture and poultry to improve coloration and health.
• Research & Development: Used as a high-purity biochemical standard in analytical laboratories and life science research.

Basic Information

Product Name	(3R,3'S)-ε,ε-Carotene-3,3'-Diol
CAS No.	63597-82-0
Molecular Formula	C₄₀H₅₆O₂
Molecular Weight	568.87 g/mol
Synonyms	Zeaxanthin; (3R,3'R)-Zeaxanthin; all-E-Zeaxanthin; Anchovyxanthin; Xanthophyll; beta,β-Carotene-3,3'-diol; (3R,3'S)-beta,β-Carotene-3,3'-diol; Food Orange 8; CI 75135
EINECS	Contact for details

Quality Control

Our (3R,3'S)-ε,ε-Carotene-3,3'-Diol is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC for purity and isomer profile confirmation, to ensure it meets the high standards required for sensitive applications in food, nutraceutical, and pharmaceutical sectors. Certificates of Analysis (COA) documenting identity, purity, and safety parameters are available for every shipment.

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. The container should be kept in a cool, dry, and well-ventilated area, away from heat sources and incompatible materials.

Specification

Item	Specification
Appearance	Orange to red crystalline powder
Identification (HPLC)	Conforms to reference standard
Identification (UV-Vis)	Conforms
Assay (HPLC)	≥ 95.0% (all-E-Zeaxanthin)
Isomer Profile	Reported on COA
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 10 ppm
Total Plate Count	≤ 1000 cfu/g
Yeast & Mold	≤ 100 cfu/g

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