Quercitrin
Quercitrin (CAS: 522-12-3), with the molecular formula C21H20O11 and a molecular weight of 448.38 g/mol, is a naturally occurring flavonoid. It is known as Quercetin 3-rhamnoside. This compound serves as a valuable reference standard, particularly in the analysis of herbal medicinal products and in various phytochemical studies. Its primary applications lie in quality control and research within the pharmaceutical and botanical industries.
- IUPAC
- Quercetin 3-rhamnoside
- Synonyms
- Quercetin 3-rhamnoside

Herbal Product Analysis
Quercitrin is employed as a reference standard for the identification and quantification of flavonoids in herbal extracts and finished medicinal products. This ensures product quality and consistency.
Phytochemical Research
As a well-characterised flavonoid, it is used in research to investigate the biological activities and metabolic pathways of plant-derived compounds. Its structure makes it a key molecule in studies related to plant secondary metabolites.
Analytical Chromatography
It serves as an analytical standard in chromatographic methods such as HPLC for the accurate assessment of complex botanical matrices. This aids in precise impurity profiling and active compound determination.
| Molecular weight | 448.38 |
|---|---|
| Empirical formula | C21H20O11 |
| Application | Reference standard in the analysis of herbal medicinal products. |
| Cofa | certificate is enclosed in each package |
|---|
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 Quercitrin used for?
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Quercitrin (CAS: 522-12-3) is primarily used as a reference standard in the analysis of herbal medicinal products and in phytochemical research. It is also known as Quercetin 3-rhamnoside.
What are the CAS number and formula for Quercitrin?
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The CAS number for Quercitrin is 522-12-3, and its molecular formula is C21H20O11.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Quercitrin as a reference standard. The specific assay and grade are detailed in the product's Certificate of Analysis. We do not represent this product as USP, BP, or EP grade unless explicitly stated.
What are the safety considerations for handling Quercitrin?
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Quercitrin is classified with a WGK (German water hazard class) of 3. Appropriate personal protective equipment should be used, and handling should be conducted in well-ventilated areas according to general laboratory safety practices for chemical reagents.
How is Quercitrin packed and shipped?
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Quercitrin is typically packed with a certificate of analysis enclosed in each package. Tech Serve Solutions is a global supplier and exporter, adhering to all relevant shipping regulations for fine chemicals.
How can I request a sample or quote for Quercitrin?
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To request a sample or a quote for Quercitrin, please contact our sales team through the TSS website or by phone. Please provide your contact details and the quantity required.
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