Astaxanthin

Tier C — Watch / trade

Astaxanthin

Cyanotech Co

Originator

1999

First approval

Expiry (public)

No sales data

Peak sales

Small molecule

Type

Targets：Updating

Brand：BioAstin, ZanthoSyn, AstaPure

Indications (approved)：营养失调

Regional status

China

Japan

Synthetic routes & intermediates14 routes

Originator routes × 0Optimised (non-patent) × 14Process routes × 0

Routes are ordered originator first, then optimised / process (non-patent) routes; each lists steps, overall yield and the intermediate table (code / CAS / name) — ready for supplier sourcing and RFQ. Rendered by this site from structured data; no third-party route graphics used.

OptimisedRoute 1Steps 12 · Total yield 14.3g(Astaxanthin (Free))

Astaxanthin-00179-77-6,14901-07-6Astaxanthin-00229790-29-2Astaxanthin-00369659-83-2Astaxanthin-004942419-98-9Astaxanthin-005—Astaxanthin-006—Astaxanthin-007122-01-0Astaxanthin-008—Astaxanthin-0094301-14-8Astaxanthin-010—Astaxanthin-011—Astaxanthin-012—Astaxanthin-013—Astaxanthin-014—Astaxanthin-0155056-17-7API · Astaxanthin

Code	CAS No.	Intermediate
Astaxanthin-001	79-77-6,14901-07-6	(E)-beta-Ionone
Astaxanthin-002	29790-29-2	2,4,4-Trimethyl-3-[(1E)-3-oxobut-1-en-1-yl]cyclohex-2-en-1-one
Astaxanthin-003	69659-83-2	2,4,4-Trimethyl-3-[(E)-2-(2-methyl-1,3-dioxolan-2-yl)ethenyl]cyclohex-2-en-1-one
Astaxanthin-004	942419-98-9	Trimethyl([4,4,6-trimethyl-5-[(E)-2-(2-methyl-1,3-dioxolan-2-yl)ethenyl]cyclohexa-1,5-dien-1-yl]oxy)silane
Astaxanthin-005	-	6-Hydroxy-2,4,4-trimethyl-3-[(E)-2-(2-methyl-1,3-dioxolan-2-yl)ethenyl]cyclohex-2-en-1-one
Astaxanthin-006	-	3-Hydroxy-4-oxo-beta-ionone
Astaxanthin-007	122-01-0	4-Chlorobenzoic acid chloride
Astaxanthin-008	-	3,5,5-Trimethyl-2-oxo-4-[(1E)-3-oxobut-1-en-1-yl]cyclohex-3-en-1-yl 4-chlorobenzoate
Astaxanthin-009	4301-14-8	(Ethynyl)magnesium bromide
Astaxanthin-010	-	4-[(1E)-3-Hydroxy-3-methylpent-1-en-4-yn-1-yl]-3,5,5-trimethyl-2-oxocyclohex-3-en-1-yl 4-chlorobenzoate
Astaxanthin-011	-	4-[(1E)-3-Hydroxy-3-methylpenta-1,4-dien-1-yl]-3,5,5-trimethyl-2-oxocyclohex-3-en-1-yl 4-chlorobenzoate
Astaxanthin-012	-	6-Hydroxy-3-[(1E)-3-hydroxy-3-methylpenta-1,4-dien-1-yl]-2,4,4-trimethylcyclohex-2-en-1-one
Astaxanthin-013	-	3-[(1E,3E)-5-Bromo-3-methylpenta-1,3-dien-1-yl]-6-hydroxy-2,4,4-trimethylcyclohex-2-en-1-one
Astaxanthin-014	-	[(2E,4E)-5-(4-Hydroxy-2,6,6-trimethyl-3-oxocyclohex-1-en-1-yl)-3-methylpenta-2,4-dien-1-yl](triphenyl)phosphanium bromide
Astaxanthin-015	5056-17-7	(2E,4E,6E)-2,7-Dimethylocta-2,4,6-trienedial

OptimisedRoute 2Steps 6 · Total yield /

Astaxanthin-012—Astaxanthin-01674-86-2Astaxanthin-01778-94-4Astaxanthin-018—Astaxanthin-019—Astaxanthin-02083020-74-0Astaxanthin-021—Astaxanthin-02283020-62-6Astaxanthin-023—API · Astaxanthin

Code	CAS No.	Intermediate
Astaxanthin-012	-	6-Hydroxy-3-[(1E)-3-hydroxy-3-methylpenta-1,4-dien-1-yl]-2,4,4-trimethylcyclohex-2-en-1-one
Astaxanthin-016	74-86-2 Available	Acetylene
Astaxanthin-017	78-94-4	1-Buten-3-one
Astaxanthin-018	-	Lithium 3-methylpent-1-en-4-yn-3-olate
Astaxanthin-019	-	Dilithium 3-methylpent-4-en-1-yn-1-id-3-olate
Astaxanthin-020	83020-74-0	2,2,4,6,6-Pentamethyl-7,7a-dihydro-1,3-benzodioxol-5-one
Astaxanthin-021	-	Dilithium 2,2,4,6,6-pentamethyl-5-(3-methyl-3-oxidopent-4-en-1-yn-1-yl)-5,6,7,7a-tetrahydro-2H-1,3-benzodioxol-5-olate
Astaxanthin-022	83020-62-6	6-Hydroxy-3-(3-hydroxy-3-methylpent-4-en-1-yn-1-yl)-2,4,4-trimethylcyclohex-2-en-1-one
Astaxanthin-023	-	6-Hydroxy-3-[(1E)-3-hydroxy-3-methylpenta-1,4-dien-1-yl]-2,4,4-trimethylcyclohexa-2,5-dien-1-one

OptimisedRoute 3Steps 5 · Total yield 26.6g(Astaxanthin-013)

Astaxanthin-013—Astaxanthin-02083020-74-0Astaxanthin-024—Astaxanthin-0252720625-69-2Astaxanthin-026—Astaxanthin-0271838-94-4Astaxanthin-02880121-59-1API · Astaxanthin

Code	CAS No.	Intermediate
Astaxanthin-013	-	3-[(1E,3E)-5-Bromo-3-methylpenta-1,3-dien-1-yl]-6-hydroxy-2,4,4-trimethylcyclohex-2-en-1-one
Astaxanthin-020	83020-74-0	2,2,4,6,6-Pentamethyl-7,7a-dihydro-1,3-benzodioxol-5-one
Astaxanthin-024	-	2,2,5,5,7-Pentamethyl-6-methylidene-3a,4,5,6-tetrahydro-2H-1,3-benzodioxole
Astaxanthin-025	2720625-69-2	(2E)-4-Bromo-1,1-dimethoxy-2-methylbut-2-ene
Astaxanthin-026	-	6-[5-Bromo-2-methoxy-3-methylpent-3-en-1-yl]-7a-methoxy-2,2,5,5,7-pentamethyl-3a,4,5,7a-tetrahydro-2H-1,3-benzodioxole
Astaxanthin-027	1838-94-4	Isoprene monoxide
Astaxanthin-028	80121-59-1	(2E)-4-Bromo-2-methylbut-2-enal

OptimisedRoute 4Steps 1 · Total yield /

Astaxanthin-02974601-69-7Astaxanthin-0301282034-57-4API · Astaxanthin

Code	CAS No.	Intermediate
Astaxanthin-029	74601-69-7	3,4-Dihydroxy-2,6,6-trimethyl-2-cyclohexen-1-one
Astaxanthin-030	1282034-57-4	2-Ethoxy-4,6,6-trimethyl-5,6,7,7a-tetrahydro-1,3-benzodioxol-5-one

OptimisedRoute 5Steps 2 · Total yield /

Astaxanthin-031127-40-2Astaxanthin-032—Astaxanthin-033472-61-7API · Astaxanthin

Code	CAS No.	Intermediate
Astaxanthin-031	127-40-2	(3R,3'R,6'R)-beta,epsilon-Carotene-3,3'-diol
Astaxanthin-032	-	3,3'-Dihydroxy-4',5'-didehydro-5',6'-dihydro-beta,beta-carotene-2,2'-dione
Astaxanthin-033	472-61-7	3,3'-Dihydroxy-beta,beta-carotene-4,4'-dione

OptimisedRoute 6Steps 2 · Total yield 4.3g(13-Cis-Astaxanthin (Free))

Astaxanthin-03431272-50-1Astaxanthin-035—Astaxanthin-036—API · Astaxanthin

Code	CAS No.	Intermediate
Astaxanthin-034	31272-50-1	(3R,3'S)-beta,beta-Carotene-3,3'-diol
Astaxanthin-035	-	(9cis)-3,3'-Dihydroxy-beta,beta-carotene-4,4'-dione
Astaxanthin-036	-	(13cis)-3,3'-Dihydroxy-beta,beta-carotene-4,4'-dione

OptimisedRoute 7Steps 1 · Total yield 0.72g(Astaxanthin (Free))

Astaxanthin-037—API · Astaxanthin

Code	CAS No.	Intermediate
Astaxanthin-037	-	3,3'-Dihydroxy-2,2',3,3'-tetradehydro-beta,beta-carotene-4,4'-dione

OptimisedRoute 8Steps 1 · Total yield 46.2g(Astaxanthin (Free))

Astaxanthin-038—API · Astaxanthin

Code	CAS No.	Intermediate
Astaxanthin-038	-	3,3'-Dihydroxy-7,7',8,8'-tetradehydro-beta,beta-carotene-4,4'-dione

OptimisedRoute 9Steps 3 · Total yield /

Astaxanthin-039—Astaxanthin-0401826-67-1Astaxanthin-041—Astaxanthin-042—Astaxanthin-0432304339-91-9API · Astaxanthin

Code	CAS No.	Intermediate
Astaxanthin-039	-	(7E)-6-Methyl-8-(2,6,6-trimethylcyclohex-1-en-1-yl)oct-7-en-2-one
Astaxanthin-040	1826-67-1 Available	(Vinyl)magnesium bromide
Astaxanthin-041	-	(6E)-3,7-Dimethyl-9-(2,6,6-trimethylcyclohex-1-en-1-yl)nona-1,6-dien-3-ol
Astaxanthin-042	-	(6E)-3,7-Dimethyl-9-(2,6,6-trimethylcyclohex-1-en-1-yl)nona-1,6-dien-3-yl acetate
Astaxanthin-043	2304339-91-9	O15-Acetyl-7,8,11,12-tetrahydroretinol

OptimisedRoute 10Steps 4 · Total yield /

Astaxanthin-04475-01-4Astaxanthin-0453536-96-7Astaxanthin-01674-86-2Astaxanthin-01778-94-4Astaxanthin-0466153-06-6Astaxanthin-047590-90-9Astaxanthin-0094301-14-8Astaxanthin-048—API · Astaxanthin

Code	CAS No.	Intermediate
Astaxanthin-044	75-01-4	1-Chloroethylene
Astaxanthin-045	3536-96-7	Chlorido(ethenyl)magnesium
Astaxanthin-016	74-86-2 Available	Acetylene
Astaxanthin-017	78-94-4	1-Buten-3-one
Astaxanthin-046	6153-06-6	(2E)-3-Methylpent-2-en-4-yn-1-ol
Astaxanthin-047	590-90-9	2-Hydroxyethyl methyl ketone
Astaxanthin-009	4301-14-8	(Ethynyl)magnesium bromide
Astaxanthin-048	-	3-Methylpent-4-yne-1,3-diol

OptimisedRoute 11Steps 2 · Total yield 4.48g(Astaxanthin (Free))

Astaxanthin-0497235-40-7Astaxanthin-050514-78-3API · Astaxanthin

Code	CAS No.	Intermediate
Astaxanthin-049	7235-40-7	beta,beta-Carotene
Astaxanthin-050	514-78-3	beta-Carotene-4-4'-dione

OptimisedRoute 12Steps 2 · Total yield /

Astaxanthin-051—Astaxanthin-052—API · Astaxanthin

Code	CAS No.	Intermediate
Astaxanthin-051	-	4',5'-Didehydro-5',6'-dihydro-beta,beta-carotene-3,3'-diol
Astaxanthin-052	-	beta,beta-Carotene-3,3'-diol

OptimisedRoute 13Steps 4 · Total yield /

Astaxanthin-05380180-27-4,13116-20-6,127-47-9,11098-51-4,7095-40-1Astaxanthin-054—Astaxanthin-055—Astaxanthin-056—Astaxanthin-052—API · Astaxanthin

Code	CAS No.	Intermediate
Astaxanthin-053	80180-27-4,13116-20-6,127-47-9,11098-51-4,7095-40-1	(2E,4E,6E,8E)-3,7-Dimethyl-9-(2,6,6-trimethylcyclohex-1-en-1-yl)nona-2,4,6,8-tetraen-1-yl acetate
Astaxanthin-054	-	O15-Acetyl-3-hydroxyretinol
Astaxanthin-055	-	[(2E,4E,6E,8E)-9-(4-Hydroxy-2,6,6-trimethylcyclohex-1-en-1-yl)-3,7-dimethylnona-2,4,6,8-tetraen-1-yl](triphenyl)phosphanium hydrogen sulfate
Astaxanthin-056	-	[(2E,4E,6E,8E)-9-(4-Hydroxy-2,6,6-trimethylcyclohex-1-en-1-yl)-3,7-dimethylnona-2,4,6,8-tetraen-1-yl](triphenyl)phosphanium chloride
Astaxanthin-052	-	beta,beta-Carotene-3,3'-diol

OptimisedRoute 14Steps 3 · Total yield /

Astaxanthin-0571418764-43-8Astaxanthin-058—Astaxanthin-059154307-87-6Astaxanthin-060—Astaxanthin-061—API · Astaxanthin

Code	CAS No.	Intermediate
Astaxanthin-057	1418764-43-8	(2E)-4-(Acetyloxy)-2-methylbut-2-enoic acid
Astaxanthin-058	-	(2E)-4-Chloro-3-methyl-4-oxobut-2-en-1-yl acetate
Astaxanthin-059	154307-87-6	1,3,3-Trimethyl-2-[(2E)-3-methylpent-2-en-4-yn-1-yl]cyclohexene
Astaxanthin-060	-	(8E)-O15-Acetyl-12-oxo-10,11-didehydro-7,12-dihydroretinol
Astaxanthin-061	-	(8E)-O15-Acetyl-12-hydroxy-10,11-didehydro-7,12-dihydroretinol

Frequently asked questions

What are the approved indications of Astaxanthin?

Approved indications include: 营养失调.

When does the Astaxanthin patent expire?

No public expiry year is available for Astaxanthin yet; this page updates once verified.

How many synthesis routes are recorded for Astaxanthin?

14 synthesis routes are recorded; the shortest is 1 steps with / total yield. Intermediates in each route carry codes and CAS numbers.

Where can I buy Astaxanthin intermediates?

2 intermediate CAS of Astaxanthin are available through the Unibest supply network — see the route tables on this page and request a quote per CAS.

How do I get a quote for Astaxanthin intermediates?

Open the CAS profile of the target intermediate from this page, or submit an RFQ directly — the CAS enters the matching flow automatically and the supply network responds with quotes.

Source: cross-verified data (structured fields only) · 2026-09-29