Orientin
Orientin (CAS: 28608-75-5), with the molecular formula C21H20O11 and a molecular weight of 448.38 g/mol, is a naturally occurring flavonoid glucoside. It is primarily found in plants such as bamboo and St. John's wort. This compound is widely utilised as an analytical standard in chromatography and for research purposes in cell biology and nutrition science due to its well-defined chemical structure.
- IUPAC
- 8-β-D-Glucopyranosyl-3′,4′,5,7-tetrahydroxyflavone,Luteolin 8-C-β-D-glucopyranoside,Luteolin-8-glucoside,Lutexin
- Synonyms
- 8-β-D-Glucopyranosyl-3′,4′,5,7-tetrahydroxyflavoneLuteolin 8-C-β-D-glucopyranosideLuteolin-8-glucosideLutexin

Analytical Standard
Orientin serves as a reference standard for the identification and quantification of this flavonoid in various natural product extracts and pharmaceutical formulations using techniques like HPLC.
Cell Biology Research
Its presence in biological systems makes Orientin a valuable tool for researchers investigating cellular processes, biochemical pathways, and potential therapeutic effects.
Nutrition Research
As a component of certain dietary plants, Orientin is studied in the context of food analysis and its role in human nutrition and health.
Chromatography Applications
Utilised in chromatographic methods to develop and validate analytical procedures for detecting and separating flavonoids from complex matrices.
| Molecular weight | 448.38 |
|---|---|
| Empirical formula | C21H20O11 |
| Assay | ≥95% (HPLC) |
| Grade | analytical standard |
| Shelf Life | (limited shelf life, expiry date on the label) |
|---|
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 Orientin primarily used for?
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Orientin (CAS: 28608-75-5) is primarily used as an analytical standard for chromatography and in research for cell biology and nutrition science.
What is the CAS number and formula for Orientin?
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The CAS number for Orientin is 28608-75-5 and its molecular formula is C21H20O11.
What grade and purity does Tech Serve Solutions supply for Orientin?
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Tech Serve Solutions supplies Orientin as an analytical standard with a purity of ≥95% (HPLC). We do not represent this product as USP, BP, or EP grade.
What are the safety considerations when handling Orientin?
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Orientin is classified under WGK Germany 3, indicating it is hazardous to water. Appropriate laboratory safety precautions should be observed during handling.
How is Orientin packed and shipped by Tech Serve Solutions?
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Tech Serve Solutions professionally packs and exports chemical products globally, adhering to all necessary regulations for safe transportation. Specific packaging details can be provided upon request.
How can I request a sample or quote for Orientin?
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To request a sample or a quote for Orientin, please contact our sales team through the website or by phone.
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