(E,E,E)-2,7-Dimethylocta-2,4,6-trienedial

CAS NO. 5056-17-7

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Product Name	(E,E,E)-2,7-Dimethylocta-2,4,6-trienedial (C10 Conjugated Dialdehyde / All-trans C10)
CAS NO.	5056-17-7
Formula & Weight	C10H12O2 (MW: 164.20)
Chemical Structure
Technical Specifications	Appearance: Yellow to orange crystalline powder Assay (HPLC): ≥ 96.0% (High Purity) Melting Point: 159°C – 163°C Water Content (KF): ≤ 0.5% Isomer Purity: Predominantly (E,E,E)-isomer suitable for stereoselective synthesis. Solubility: Soluble in Chloroform, DMSO, and warm Ethanol; insoluble in Water.
Synthesis Applications	A strategic C10 building block for polyene chains: Carotenoid Synthesis: Key intermediate for synthesizing symmetric C40 carotenoids (e.g., Beta-Carotene, Lycopene) via Wittig or Horner-Wadsworth-Emmons reactions. Retinoid Chemistry: Used in the construction of Vitamin A derivatives and Retinal analogues. Conjugated Systems: Ideal precursor for extending conjugated polyene systems in organic electronic materials or dyes.
Packaging & Handling	Packaging: 25kg Fiber Drum Storage: Sensitive to light and air. Store under inert gas (Nitrogen/Argon) at low temperature (2-8°C recommended).