Apigenin
Apigenin (CAS: 520-36-5), a natural flavonoid with the molecular formula C15H10O5 and a molecular weight of 270.24 g/mol, is a prominent plant metabolite. It is recognized for its roles in various biological processes and serves as a valuable compound in biochemical research. Tech Serve Solutions supplies Apigenin with a purity of ≥95.0% (HPLC), making it suitable for a range of laboratory applications.
- IUPAC
- 4′,5,7-Trihydroxyflavone
- Synonyms
- 4′,5,7-Trihydroxyflavone

Biochemical Research
Apigenin is frequently employed in studies investigating cellular signalling pathways, antioxidant mechanisms, and its potential biological activities. Its well-defined structure and presence in numerous plant species make it a standard compound for biochemical investigations.
Enzyme Inhibition Studies
As an enzyme inhibitor, Apigenin is used in research to explore the function and regulation of various enzymes. This includes studies focusing on enzyme kinetics and the development of targeted biochemical assays.
Reference Standard
Due to its established identity and purity, Apigenin serves as a reference standard in analytical chemistry, particularly in the quality control of herbal extracts and related natural products.
| Molecular weight | 270.24 |
|---|---|
| Empirical formula | C15H10O5 |
| Assay | ≥95.0% (HPLC) |
| Solubility | DMSO: soluble27 mg/mL1 M KOH: soluble50 mg/mL |
| Storage temperature | −20°C |
| Impurities tested | ~2% water |
| Melting point | >300 °C(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.
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 Apigenin used for?
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Apigenin is used in biochemical research, enzyme inhibition studies, and as a reference standard in analytical chemistry.
What is the CAS number and formula for Apigenin?
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The CAS number for Apigenin is 520-36-5, and its molecular formula is C15H10O5.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Apigenin with a minimum purity of ≥95.0% determined by HPLC. This is a research-grade chemical and is not represented as USP, BP, EP, or any other pharmacopoeia grade.
How should Apigenin be handled safely?
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Apigenin may cause skin irritation (H315), serious eye irritation (H319), and respiratory irritation (H335). Use a dust mask type N95 (US), safety eyeshields, and gloves. Ensure adequate ventilation and avoid breathing dust.
Is Apigenin a controlled substance?
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Based on the provided data, Apigenin is not listed as a controlled substance.
How is Apigenin packed and shipped?
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Apigenin is stored at -20°C. TSS offers global export services for this product.
How can I request a sample or quote for Apigenin?
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Please contact our sales team to request a sample or obtain a quotation for Apigenin.
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