Alpha-Carotene

α-Carotene
Identifiers
CAS number	[7488-99-5]
PubChem	4369188
SMILES	CC1=C(C(CCC1)(C)C)C=CC(=CC=CC(=CC=CC=C (C)C=CC=C(C)C=CC2C(=CCCC2(C)C)C)C)C
Properties
Molecular formula	C40H56
Molar mass	536.873
Except where noted otherwise, data are given for materials in their standard state (at 25 °C, 100 kPa) Infobox references

α-Carotene is a form of carotene with a β-ring at one end and an ε-ring at the other. It is the second most common form of carotene.

v • d • e Carotenoids Carotenes (C40) α-Carotene · β-Carotene · γ-Carotene · δ-Carotene · ε-Carotene · ζ-Carotene · Lycopene · Neurosporene · Phytoene · Phytofluene Xanthophylls (C40) Antheraxanthin · Astaxanthin · Canthaxanthin · Citranaxanthin · Cryptoxanthin · Diadinoxanthin · Diatoxanthin · Dinoxanthin · Flavoxanthin · Fucoxanthin · Lutein · Neoxanthin · Rhodoxanthin · Rubixanthin · Violaxanthin · Zeaxanthin Apocarotenoids (C<40) Abscisic acid · Apocarotenal · Bixin · Crocetin · Food orange 7 · Ionones · Peridinin Vitamin A retinoids (C20) Retinal · Retinoic acid · Retinol Retinoid drugs Acitretin · Alitretinoin · Bexarotene · Etretinate · Fenretinide · Isotretinoin · Tazarotene · Tretinoin

v • d • e Vitamins (A11) Fat soluble A Retinol · β-Carotene · Tretinoin · α-Carotene D D2 (Ergosterol, Ergocalciferol)  · D3 (7-Dehydrocholesterol, Previtamin D3, Cholecalciferol, 25-hydroxycholecalciferol, Calcitriol (1,25-dihydroxycholecalciferol), Calcitroic acid) D4 (Dihydroergocalciferol)  · D5  · D analogues (Dihydrotachysterol, Calcipotriol, Tacalcitol, Paricalcitol) E Tocopherol (Alpha, Beta, Gamma, Delta) · Tocotrienol · Tocofersolan K Naphthoquinone · Phylloquinone/K1 · Menatetrenone/K2 · Menadione/K3 Water soluble B B1 (Thiamine) · B2 (Riboflavin) · B3 (Niacin, Nicotinamide) · B5 (Pantothenic acid, Dexpanthenol, Pantethine) · B6 (Pyridoxine, Pyridoxal phosphate, Pyridoxamine) B7 (Biotin) · B9 (Folic acid, Dihydrofolic acid, Folinic acid) · B12 (Cyanocobalamin, Hydroxocobalamin, Methylcobalamin, Cobamamide)  · Choline C Ascorbic acid  · Dehydroascorbic acid see also: enzyme cofactors, enzymes

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