Baicalin
Baicalin (CAS: 21967-41-9), with the molecular formula C21H18O11 and a molecular weight of 446.36 g/mol, is a naturally occurring flavonoid glycoside. It presents as a solid and is primarily recognised for its applications in chemical synthesis and as a bioactive small molecule. Baicalin is a valuable compound used in research laboratories for various investigations, particularly in cell biology and asymmetric synthesis.
- IUPAC
- 5,6-Dihydroxy-4-oxo-2-phenyl-4H-1-benzopyran-7-yl-β-D-glucopyranosiduronic acid,Baicalein 7-O-β-D-glucuronide
- Synonyms
- Baicalein 7-O-β-D-glucuronide5,6-Dihydroxy-4-oxo-2-phenyl-4H-1-benzopyran-7-yl-β-D-glucopyranosiduronic acid

Chemical Synthesis
Baicalin serves as a chiral building block in the synthesis of complex molecules. Its flavonoid structure and glycosidic linkage offer unique reactivity for organic chemists developing new synthetic routes.
Bioactive Small Molecule Research
As a naturally occurring compound, Baicalin is extensively studied for its biological activities. It is used in cell biology research to investigate cellular processes and potential therapeutic applications.
Asymmetric Synthesis
The chiral nature of Baicalin makes it a useful precursor or reagent in asymmetric synthesis, enabling the selective production of enantiomerically pure compounds.
| Molecular weight | 446.36 |
|---|---|
| Empirical formula | C21H18O11 |
| Assay | 95% |
| Form | solid |
| Optical activity | [α]20/D −85°, c = 1 in DMSO |
| Melting point | 202-205 °C (dec.)(lit.) |

Hazard statements
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P305IF IN EYES
| Protective equipment | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 36/37/38 |
| Safety statements (S) | 26-36 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
| Gene Information | mouse ... Hexa(15211) |
|---|
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 Baicalin used for?
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Baicalin (CAS: 21967-41-9) is used in chemical synthesis, particularly as a chiral building block for complex molecules and in asymmetric synthesis. It is also investigated as a bioactive small molecule in cell biology research.
What are the CAS number and formula for Baicalin?
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The CAS number for Baicalin is 21967-41-9, and its empirical formula is C21H18O11.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Baicalin with an assay of 95%. We do not represent this product as USP, BP, EP, or any other pharmacopoeia grade.
How should Baicalin be handled safely?
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Baicalin (CAS: 21967-41-9) requires careful handling. It is classified as a Warning with hazards H315 (Causes skin irritation), H319 (Causes serious eye irritation), and H335 (May cause respiratory irritation). Use appropriate personal protective equipment, including a dust mask (N95), eyeshields, and gloves. Ensure adequate ventilation.
Does TSS export Baicalin?
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Yes, Tech Serve Solutions is a specialist global supplier and exporter of fine chemicals, including Baicalin.
How can I request a sample or quote for Baicalin?
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To request a sample or quote for Baicalin, please contact our sales team through the website or directly via email or phone.
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