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Alpha-carotene

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Alpha-carotene
Image:Alpha-carotene-2D-skeletal.png
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 disclaimer and references

Alpha-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:	Carotene (Alpha-carotene · Beta-carotene) · Lycopene · Phytoene • Phytofluene · Neurosporene
Retinoids:	Acitretin · Alitretinoin · Bexarotene · Etretinate · Fenretinide · Isotretinoin · Retinaldehyde · Tazarotene · Vitamin A (Retinol, Tretinoin)
Xanthophylls:	Astaxanthin · Canthaxanthin · Citranaxanthin · Cryptoxanthin · Flavoxanthin · Fucoxanthin · Lutein · Rhodoxanthin · Rubixanthin · Violaxanthin · Zeaxanthin

v • d • e Vitamins (A11)
fat soluble	A (Retinol, Beta-carotene, Tretinoin, Alpha-carotene) - D (Ergocalciferol, Cholecalciferol, Dihydrotachysterol, Calcitriol, Calcidiol) - E (Tocopherol, Tocotrienol) - K (Naphthoquinone, Phylloquinone/K1, Menatetrenone/K2)
water soluble: B vitamins	B₁ (Thiamine, Sulbutiamine, Benfotiamine) - B₂ (Riboflavin) - B₃ (Niacin, Nicotinamide) - B₅ (Pantothenic acid, Dexpanthenol, Pantethine) - B₆ (Pyridoxine, Pyridoxal phosphate) - B₇ (Biotin) - B₉ (Folic acid) - B₁₂ (Cyanocobalamin, Hydroxocobalamin, Methylcobalamin, Cobamamide)
water soluble: other	C (Ascorbic acid) - Choline

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