Oxalic Acid
Sigma Aldrich Oxalic acid
MilliporeSigma Sigma Organics products encompass a wide range of quality reagents, solvents, catalysts, and building blocks for organic synthesis. From benchtop discovery to process development and scale-up, Sigma Organics solutions are built to meet the needs of synthetic chemists.
Sigma Aldrich 3-(5-formyl-thiophen-2-yl)-benzoic acid
MilliporeSigma Sigma Organics products encompass a wide range of quality reagents, solvents, catalysts, and building blocks for organic synthesis. From benchtop discovery to process development and scale-up, Sigma Organics solutions are built to meet the needs of synthetic chemists.
Sigma Aldrich Oxalic acid
MilliporeSigma Sigma Organics products encompass a wide range of quality reagents, solvents, catalysts, and building blocks for organic synthesis. From benchtop discovery to process development and scale-up, Sigma Organics solutions are built to meet the needs of synthetic chemists.
Medchemexpress LLC Zeaxanthin | 144-68-3 | 95.0% | 50 MG
Zeaxanthin is a naturally occurring xanthophyll carotenoid and antioxidant found in the macula of the human eye. It is supplied as a research reagent for studies of retinal health, oxidative stress, and carotenoid biochemistry.
- Acts as an antioxidant in retinal tissue.
- Concentrated in the macula and associated with visual function.
- Commonly used in research on age-related macular degeneration and eye health.
- Molecular formula C40H56O2, molecular weight 568.9 g/mol.
Medchemexpress LLC Zeaxanthin | 144-68-3 | 10 MG
Zeaxanthin is a diet-derived xanthophyll carotenoid concentrated in the macula of the eye and used in research for its antioxidant properties.
- Present in the macula and contributes to visual protection.
- Exhibits antioxidant activity in biological systems.
- Supplied in small milligram packages suitable for laboratory research.
- Molecular formula C40H56O2; molecular weight 568.87 g/mol.
- Store at -20°C and protect from light; unstable in solution, prepare fresh solutions.
Medchemexpress LLC Zeaxanthin | 144-68-3 | 1 MG
Zeaxanthin is a diet-derived xanthophyll carotenoid concentrated in the macula of the eye and reported to have antioxidant activity. The compound (CAS 144-68-3) is supplied as a research-grade analytical standard, typically provided as an orange to red powder for laboratory use.
- Diet-derived xanthophyll carotenoid.
- Antioxidant activity relevant to ocular research.
- Concentrated in the macula of the eye.
- Provided as a small research pack suitable for laboratory studies.
- Molecular formula C40H56O2 and molecular weight 568.87 g/mol.
Medchemexpress LLC Oxalic acid ammonium | 1113-38-8 | MFCD00013308 | ≥99.0% | 124.10 g/mol | C2H8N2O4 | 250 G
Oxalic acid ammonium is the ammonium salt of oxalic acid used as a reagent for research and analytical applications. It has high acidity, reducibility, and chelation ability, and is commonly used in studies of plant growth and stress responses.
- Purity ≥99.0%
- CAS number 1113-38-8
- Molecular formula C2H8N2O4; molecular weight 124.10 g/mol
- Available pack sizes: 250 g, 500 g, 1 kg
- Functions as a chelating agent and reagent in biochemical and plant studies
Medchemexpress LLC Oxalic acid ammonium | 1113-38-8 | >99.0% | 124.10 g/mol | C2H8N2O4 | 500 G
Oxalic acid ammonium is the ammonium salt of oxalic acid supplied as a high-purity research reagent. It is used in laboratory and plant-science studies for its acidity, reducing, and chelating properties.
- Ammonium salt of oxalic acid, suitable for research use.
- Purity >99.0%.
- Molecular weight 124.10 g/mol; formula C2H8N2O4.
- Available in a 500 G package.
- Useful for studies of plant physiology, metal chelation, and analytical applications.
Medchemexpress LLC Zeaxanthin | 144-68-3 | >98.0% | 5 MG
Zeaxanthin is a diet-obtained xanthophyll carotenoid concentrated in the macula of the eye. It exhibits antioxidant activity and is commonly used in biochemical and ocular research. Supplied as a purified reagent, it is provided in small research pack sizes and should be stored protected from light to maintain stability.
- High purity (>98.0%) suitable for biochemical and ocular studies.
- Molecular weight 568.87 g/mol; formula C40H56O2.
- Available in small quantities (for example, 5 mg) for assay development and pilot studies.
- Store at -20°C and protect from light; in solvent store at -80°C for long-term storage.
- Intended for research use only; request certificate of analysis and safety data sheet.