Lutein A
Lutein is a carotenol. It has a role as a plant metabolite and a food colouring. It derives from a hydride of a (6'R)-beta,epsilon-carotene. — ChEBI
- IUPAC name
- (1R)-4-[(1E,3E,5E,7E,9E,11E,13E,15E,17E)-18-[(1R,4R)-4-hydroxy-2,6,6-trimethylcyclohex-2-en-1-yl]-3,7,12,16-tetramethyloctadeca-1,3,5,7,9,11,13,15,17-nonaenyl]-3,5,5-trimethylcyclohex-3-en-1-ol
- Molecular formula
- C40H56O2
- Molecular weight
- 568.9 g/mol
- Exact mass
- 568.42803102 Da
- XLogP3
- 11.0
- Topological polar surface area
- 40.5 Ų
- Hydrogen-bond donors
- 2
- Hydrogen-bond acceptors
- 2
- Covalent units
- 1
- Defined stereocentres
- 3
Also known as
16 more reported names
External database identifiers
- ChEBI:CHEBI:28838
- ChEMBL:CHEMBL173929
- EPA DTXSID:DTXSID8046749
- PubMed:23760061
- PubMed:20830634
- PubMed:20355006
- PubMed:13198857
- PubMed:10296
Evidence from additional scientific databases
NIH PubChem PUG-View
Attributed physical-property, hazard, environmental and use annotations.
- LogP: 7.9 Source: DrugBank
- Melting Point: 196 °C Source: DrugBank
- Melting Point: 196 °C Source: Human Metabolome Database (HMDB)
- Physical Description: Dark, yellowish brown liquid Source: EU Food Improvement Agents
- Physical Description: Solid Source: Human Metabolome Database (HMDB)
- Solubility: Insoluble Source: DrugBank
- Note: This chemical does not meet GHS hazard criteria for 95.6% (151 of 158) of all reports. Source: European Chemicals Agency (ECHA)
- GHS Hazard Statements: Not Classified; Reported as not meeting GHS hazard criteria by 151 of 158 companies (only 4.4% companies provided GHS information). For more detailed information, please visit ECHA C&L website. Source: European Chemicals Agency (ECHA)
- ECHA C&L Notifications Summary: Aggregated GHS information provided per 158 reports by companies from 4 notifications to the ECHA C&L Inventory.; Reported as not meeting GHS hazard criteria per 151 of 158 reports by companies.; There are 2 notifications provided by 7 of 158 reports by companies with hazard statement code(s).; Information may vary between notifications depending on impurities, additives, and other factors. The percentage value in parenthesis indicates the notified classification ratio from companies that provide hazard codes. Only hazard codes with percentage values above 10% are shown. For more detailed information, please visit ECHA C&L website. Source: European Chemicals Agency (ECHA)
Mapped by: Existing checksum-valid CAS to unique PubChem CID match. Retrieved: 2026-08-31. Open source record
Scientific classifications and hazard annotations provide context and do not replace the market-specific regulatory decision shown above.
Additional source coverage and match status
| Source | Result | Checked |
|---|---|---|
| NIH PubChem PUG-View | Exact match | 2026-08-31 |
A recorded no-match is useful evidence that the source was checked; it is not a claim that the substance does not exist elsewhere.
Retrieved from NIH PubChem on 2026-08-31 by checksum-valid CAS matching. Chemical properties do not replace the regulatory decision on this page.