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10815

Sigma-Aldrich

Ethyl β-apo-8′-carotenoate (trans)

≥80% (TLC)

Synonym(s):

Ethyl 8′-apo-β,ψ-caroten-8′-oate, all-trans-Carophyll yellow

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About This Item

Empirical Formula (Hill Notation):
C32H44O2
CAS Number:
1109-11-1
Molecular Weight:
460.69
Beilstein:
2021845
EC Number:
214-173-7
MDL number:
MFCD00042627
UNSPSC Code:
12352200

Assay

≥80% (TLC)

impurities

≤0.001% heavy metals

ign. residue

≤0.1%

loss

≤0.1% loss on drying

mp

134-136 °C

solubility

chloroform: 10 mg/mL at 25 °C, clear, intense red-orange

storage temp.

−20°C

SMILES string

CCOC(=O)\C(C)=C\C=C\C(C)=C\C=C\C=C(C)\C=C\C=C(C)\C=C\C1=C(C)CCCC1(C)C

Other Notes

Internal standard in: Individual carotenoid determinations in human plasma by HPLC

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C.C. Tangney
Journal of Liquid Chromatography, 7, 2611-2611 (1984)
A A Franke et al.
Journal of chromatography, 614(1), 43-57 (1993-04-21)
A method is described for the synthesis of new carotenoids by transesterification of ethyl-beta-apo-8'-carotenoate. The rate of transesterification was temperature-dependent with highest yields using primary alcohols. Reaction conditions were found avoiding Z isomerization. The structures of the new products were

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