Zeaxanthin
Zeaxanthin (CAS: 144-68-3), a vibrant orange-yellow carotenoid with the molecular formula C40H56O2 and a molecular weight of 568.87 g/mol, is a naturally occurring pigment found in various plants. It is recognised for its antioxidant properties and its role in visual health. Zeaxanthin is an essential component for maintaining the health of the macula and lens, contributing to eye protection against oxidative stress and light damage. It serves as a crucial analytical standard.
- IUPAC
- β,β-Carotene-3,3′-diol
- Synonyms
- β,β-Carotene-3,3′-diol

Analytical Standard
Zeaxanthin serves as a vital analytical standard for chromatographic methods, enabling accurate identification and quantification in research and quality control settings. Its established presence in various biological samples makes it an ideal reference compound.
Carotenoid Research
This compound is extensively researched for its role as a carotenoid, particularly concerning its biological functions and metabolic pathways. Studies often utilise pure Zeaxanthin to elucidate its effects on cellular health and oxidative stress.
Nutritional Science
Zeaxanthin is investigated for its potential contributions to human health, especially eye health, due to its antioxidant capabilities. It is a key component in understanding dietary carotenoid impacts.
| Molecular weight | 568.87 |
|---|---|
| Empirical formula | C40H56O2 |
| Assay | ≥95.0% (TLC) |
| Grade | analytical standard |
| Storage temperature | −20°C |
| Protective equipment | Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter |
|---|---|
| Water hazard class (WGK, DE) | 1 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
| E Number | 161h |
|---|
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is Zeaxanthin used for?
+
Zeaxanthin is primarily used as an analytical standard for chromatography and in research related to carotenoid function and nutritional science, particularly for its antioxidant properties and role in eye health.
What are the CAS number and formula for Zeaxanthin?
+
The CAS number for Zeaxanthin is 144-68-3, and its molecular formula is C40H56O2.
What grade and purity does Tech Serve Solutions supply?
+
Tech Serve Solutions supplies Zeaxanthin as an analytical standard with an assay of ≥95.0% by TLC. We do not represent this product as USP, BP, or EP grade.
How should Zeaxanthin be handled and stored?
+
Zeaxanthin should be stored at -20°C and handled with appropriate personal protective equipment, including eyeshields and gloves. A type N95 (US) or type P1 (EN143) respirator filter is recommended.
Is Zeaxanthin a controlled substance?
+
Based on the provided data, Zeaxanthin (CAS: 144-68-3) is not indicated as a controlled substance.
How are Zeaxanthin products packed and shipped?
+
Zeaxanthin is typically packed according to its analytical standard grade requirements and exported by Tech Serve Solutions with appropriate documentation for international shipping.
How can I request a sample or quote for Zeaxanthin?
+
To request a sample or quote for Zeaxanthin, please contact our sales team through the website or by phone, providing your specific requirements.
▶ Related products

(−)-Curcumol
C15H24O2
Cell Biology
(±) Clopidogrel hydrogensulfate
Cell Biology

(±)-L-Alliin
C6H11NO3S
Cell Biology
(±)-2-Amino-4-phosphonobutyric acid
C4H10NO5P
Cell Biology
(±)-2-Methylarachidonoyl-2′-fluoroethylamide
C23H38NOF
Cell Biology
(±)-3,4-Methylenedioxy-N-ethylamphetamine hydrochloride
Cell Biology

(±)-3,4-Methylenedioxyamphetamine hydrochloride
Cell Biology

(±)-3,4-Methylenedioxymethamphetamine hydrochloride
Cell Biology
▶ Explore more

3-Methyl-1,5-di-p-tolyl-1,4-pentazadiene
Chemical Synthesis

3-Methyl-1,5-pentanediol
Chemical Synthesis

3-Methyl-1-(2-methylphenyl)-1H-pyrazol-5-amine
C11H13N3
Chemical Synthesis
3-Methyl-1-(3′-sulfoamidophenyl)-5-pyrazolone
C10H11N3O3S
Chemical Synthesis