Description

5'-Hydroxy-4,5'-Retro-β,β-Carotene-3,3'-Dione is a specialized carotenoid derivative, a key intermediate in the synthesis of high-value apocarotenoids. This compound matters for its role as a versatile building block in the production of natural colorants, nutritional supplements, and pharmaceutical actives. Industries such as nutraceuticals, cosmetics, and fine chemical synthesis need it for developing products with specific biological and colorimetric properties.

Application

• Nutraceutical Ingredient Synthesis: A crucial precursor for the manufacture of apocarotenoids like crocetin and crocin, which are studied for their antioxidant properties.
• Natural Food Colorant Production: Used in the development of stable, natural yellow to red pigments for the food and beverage industry.
• Cosmetic & Skincare Formulations: Incorporated into anti-aging and protective skincare products for its potential pro-vitamin A activity and antioxidant effects.
• Pharmaceutical Research Intermediate: Serves as a key starting material in the synthesis of novel retinoid-based compounds for therapeutic research.
• Animal Feed Additives: Utilized in the production of carotenoid supplements for poultry and aquaculture to enhance product coloration and animal health.
• Biochemical Research & Standards: Employed as a high-purity reference standard in analytical laboratories for method development and quality control.

Basic Information

Product Name	5'-Hydroxy-4,5'-Retro-β,β-Carotene-3,3'-Dione
CAS No.	52073-89-9
Molecular Formula	C₄₀H₅₂O₃
Molecular Weight	580.85 g/mol
Synonyms	5'-Hydroxy-4,5'-retro-beta,β-carotene-3,3'-dione; 4,5'-Retro-β,β-carotene-3,3'-dione, 5'-hydroxy-; 5'-Hydroxyretro-β-carotene-3,3'-dione; Crocetin dialdehyde precursor; Apocarotenoid intermediate; 3,3'-Dioxo-5'-hydroxy-4,5'-retro-β,β-carotene; (all-E)-5'-Hydroxy-4,5'-retro-β,β-carotene-3,3'-dione
EINECS	Contact for details

Quality Control

Our 5'-Hydroxy-4,5'-Retro-β,β-Carotene-3,3'-Dione is produced under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation via spectroscopic methods, to ensure it meets the high standards required for research and industrial synthesis. Certificates of Analysis (COA) documenting all critical parameters are available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at a controlled room temperature (15-25°C). The product is light-sensitive and should be handled under appropriate conditions to prevent degradation.

Specification

Item	Specification
Appearance	Orange to red powder or crystals
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 95.0%
Loss on Drying	≤ 2.0%
Residue on Ignition	≤ 0.5%
Heavy Metals (as Pb)	≤ 20 ppm

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