Description

5,18-Didehydro-5,6-Dihydro-β,β-Carotene is a specialized, partially hydrogenated derivative of β-carotene, a fundamental member of the carotenoid family. This compound is valued for its role as a key intermediate and reference standard in the research and synthesis of complex carotenoids and retinoids. It is primarily sought by research institutions, pharmaceutical developers, and specialty chemical manufacturers involved in nutraceutical, cosmetic, and advanced material applications where precise molecular structure is critical.

Application

• Pharmaceutical Research & Development: Serves as a critical intermediate in the synthesis of novel retinoid-based drugs and targeted therapies.
• Nutraceutical Ingredient Synthesis: Used in the production of specialized carotenoid derivatives for advanced dietary supplements.
• Analytical Reference Standard: Provides a high-purity benchmark for the identification and quantification of carotenoids in complex matrices using HPLC, LC-MS, or NMR.
• Cosmetic Actives Development: Employed in R&D for creating stable, bioactive compounds with potential antioxidant properties for skincare formulations.
• Food Science Research: Studied for its structural properties and behavior in model food systems to understand carotenoid stability and bioavailability.
• Organic Synthesis & Chemical Intermediate: Acts as a building block for synthesizing more complex, tailored organic molecules in academic and industrial laboratories.

Basic Information

Product Name	5,18-Didehydro-5,6-Dihydro-β,β-Carotene
CAS No.	34143-90-3
Molecular Formula	C₄₀H₅₆
Molecular Weight	536.88 g/mol
Synonyms	5,18-Didehydro-5,6-dihydro-β,β-carotene; 5,6-Dihydro-5,18-didehydro-β,β-carotene; 5,18-Didehydro-5,6-dihydro-beta,β-carotene; Partially hydrogenated β-carotene derivative; 5,18-Didehydro-5,6-dihydro-β-carotene; β,β-Carotene, 5,18-didehydro-5,6-dihydro-; (all-E)-5,18-Didehydro-5,6-dihydro-β,β-carotene
EINECS	Contact for details

Quality Control

Every batch of our 5,18-Didehydro-5,6-Dihydro-β,β-Carotene is produced and controlled under a strict quality management system. We employ advanced analytical techniques including HPLC, GC-MS, and NMR to ensure identity, purity, and consistency. A comprehensive Certificate of Analysis (COA) detailing all specification parameters is provided with each shipment to guarantee it meets your research or production requirements.

Storage

Preserve in a tightly closed container, protected from light. Store under an inert atmosphere (e.g., nitrogen or argon) at controlled room temperature (15-25°C) in a cool, dry, and well-ventilated place. Keep away from oxidizing agents.

Specification

Item	Specification
Appearance	Red to reddish-brown crystalline powder or solid
Identification (HPLC)	Conforms to reference standard
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Related Substances (HPLC)	Total impurities ≤ 5.0%
Solvent Residues (GC)	Meets ICH guidelines
Heavy Metals	< 10 ppm

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