Astaxanthin
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Description

Astaxanthin is a carotenone that consists of beta,beta-carotene-4,4'-dione bearing two hydroxy substituents at positions 3 and 3' (the 3S,3'S diastereomer). A carotenoid pigment found mainly in animals (crustaceans, echinoderms) but also occurring in plants. It can occur free (as a red pigment), as an ester, or as a blue, brown or green chromoprotein. It has a role as an antioxidant, an anticoagulant, an animal metabolite, a plant metabolite and a food colouring. It is a carotenol and a carotenone. It derives from a hydride of a beta-carotene.

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gjoseph2
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CC-BY
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#nih-3d
#small molecules
#astaxanthin
#472-61-7
#ovoester
#astaxanthine
#(3s,3's)-astaxanthin
#all-trans-astaxanthin
#3,3'-dihydroxy-beta,beta-carotene-4,4'-dione
#unii-8xpw32pr7i
#astaxanthin, (3s,3's)-
#3,3'-dihydroxy-beta-carotene-4,4'-dione
#astareal
#bioastin
#trans-astaxanthin
#(3s,3's)-all-trans-astaxanthin
#8xpw32pr7i
#(3s,3's)-3,3'-dihydroxy-beta,beta-carotene-4,4'-dione
#chebi:40968
#nsc-635689
#(6s,6's)-3,3'-((1e,3e,5e,7e,9e,11e,13e,15e,17e)-3,7,12,16-tetramethyloctadeca-1,3,5,7,9,11,13,15,17-nonaene-1,18-diyl)bis(6-hydroxy-2,4,4-trimethylcyclohex-2-enone)
#.beta.,.beta.-carotene-4,4'-dione, 3,3'-dihydroxy-, (3s,3's)-
#algae haematococcus pluvialis
#natupink
#astaxin
#carophyll pink
#lucantin pink
#bioastin oleoresin
#(6s)-6-hydroxy-3-[(1e,3e,5e,7e,9e,11e,13e,15e,17e)-18-[(4s)-4-hydroxy-2,6,6-trimethyl-3-oxo-1-cyclohexenyl]-3,7,12,16-tetramethyloctadeca-1,3,5,7,9,11,13,15,17-nonaenyl]-2,4,4-trimethyl-1-cyclohex-2-enone
#astaxanthin (6ci)
#astaxanthin, all-trans-
#astaxantin
#ccris 7118
#hsdb 7468
#(6s)-6-hydroxy-3-[(1e,3e,5e,7e,9e,11e,13e,15e,17e)-18-[(4s)-4-hydroxy-2,6,6-trimethyl-3-oxocyclohexen-1-yl]-3,7,12,16-tetramethyloctadeca-1,3,5,7,9,11,13,15,17-nonaenyl]-2,4,4-trimethylcyclohex-2-en-1
#einecs 207-451-4
#nsc 635689
#3s,3's-astaxanthin
#astaxanthin, all-trans-, (3s,3's)-
#astaxanthin, 5% active
#astaxanthin [mi]
#b-carotene-4,4'-dione
#astaxanthin [hsdb]
#astaxanthin [inci]
#astaxanthin [vandf]
#astaxanthin [mart.]
#schembl20047
#astaxanthin [usp-rs]
#astaxanthin [who-dd]
#e161j
#chembl1255871
#astaxanthin, >=98% (hplc)
#e 161j
#dtxsid00893777
#all-trans-(3s,3's)-astaxanthin
#3,3'-dihydroxy-beta,beta-carotene-4,4'-dione, (3s,3's)-
#hms3885c08
#bcp05821
#hy-b2163
#lmpr01070263
#mfcd00672621
#s3834
#akos015841055
#akos015895756
#zinc100042059
#ac-8760
#bcp9000329
#ccg-270185
#db06543
#3,3'-dihydroxy-ss-carotene-4,4'-dione
#all-trans-astaxanthin, analytical standard
#as-14095
#astaxanthin 10 microg/ml in acetonitrile
#cs-0020413
#c08580
#m01303
#3,3'-dihydroxy-4,4'-diketo-beta,beta-carotene
#472a617
#a827177
#q413740
#q-200655
#3,3'-dihydroxy-4,4'-diketo-.beta.-carotene
#all-trans-3,3'-dihydroxy-b-carotene-4,4'-dione (8ci)
#.beta.-carotene-4,4'-dione, 3,3'-dihydroxy-, all-trans-
#3-(4,6-dimethyl-2-oxo-2h-pyrimidin-1-yl)-propionicacid
#all-trans-3,3'-dihydroxy-beta-carotene-4,4'-dione (8ci)
#3,3'-dihydroxy-.beta.,.beta.-carotene-4,4'-dione, (3s,3's)-
#(3s,3's)-3,3'-dihydroxy-.beta.,.beta.-carotene-4,4'-dione
#astaxanthin. short expiry date due to chemical nature of component(s)
#3,3'-dihydroxy-beta,beta-carotene-4,4'-dione;(s)-6-hydroxy-3-((1e,3e,5e,7e,9e,11e,13e,15e,17e)-18-((s)-4-hydroxy-2,6,6-trimethyl-3-oxocyclohex-1-enyl)-3,7,12,16-tetramethyloctadeca-1,3,5,7,9,11,13,15,17-nonaenyl)-2,4,4-trimethylcyclohex-2-enone;
#(6s)-6-hydroxy-3-[(1e,3e,5e,7e,9e,11e,13e,15e,17e)-18-[(4s)-4-hydroxy-2,6,6-trimethyl-3-oxocyclohexen-1-yl]-3,7,12,16-tetramethyloctadeca-1,3,5,7,9,11,13,15,17-nonaenyl]-2,4,4-trimethylcyclohex-2-en-1-one
#beta,beta-carotene-4,4'-dione, 3,3'-dihydroxy-, (3s,3's)-
#e9ai950eah
#refchem:115249
#dtxcid101323822
#207-451-4
#231-424-6
#3mf
#blend
#fbx
#glb
#jpg
#mtl
#obj
#ply
#png
#stl
#wrl
#x3d

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Astaxanthin

From NIH 3D
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Category

learning

License

CC-BY

Published

9/22/2026

Availability

free on NIH 3D