Apigenin CAS 520-36-5
| CAS No. | 520-36-5 |
| Molecular Formula | C15H10O5 |
| Molecular Weight | 270.24 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
Apigenin (CAS 520-36-5), molecular formula C15H10O5 and molecular weight 270.24 g/mol, is a CATO reference standard with documented purity and traceability.
Apigenin (C15H10O5) contains a flavonoid core, a hydroxyl group, an ether linkage. The carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
As a certified reference material (CRM), Apigenin meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C15H10O5 |
| Molecular Weight | 270.24 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | >95% |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
Related Apigenin Standards
- Apigenin-d5 (CAS 263711-74-6)
- Apigenin 7,4-dimethyl ether (CAS 5128-44-9)
- Apigenin triacetate (CAS 3316-46-9)
- Apigenin-4'-α-L-rhamnoside (CAS 133538-77-9)
- Apigenin 5-O-β-D-Glucopyranoside (CAS 28757-27-9)
- Apigenin 4'-O-β-D-glucopyranoside (CAS 20486-34-4)
- Apigenin 7-Glucoside (CAS 578-74-5)
- Apigenin 7-O-beta-D-glucuronide (CAS 29741-09-1)
Recommended Standards
- Baicalein (CAS 491-67-8)
- Galangin (CAS 548-83-4)
- Aloeemodin (CAS 481-72-1)
- Lucidin (CAS 478-08-0)
- 3-(Phenylthio)thiophene (CAS 16718-11-9)
- 2-Amino-5-phenyl-1,3-thiazole-4-carboxylic acid (CAS 802276-49-9)
- Pteridine-2,4,7(1H,3H,8H)-trione (CAS 2577-38-0)
- Pranoprofen Impurity 1 (CAS 53944-31-3)
- (R)-1-(6-(4-fluoro-1H-pyrazol-1-yl)pyridin-3-yl)ethan-1-ol (CAS 2410619-06-4)
- 2-(4-Benzylpiperazin-1-yl)-5-fluorobenzaldehyde (CAS 883512-26-3)
- Sildenafil Impurity 257 (CAS CATO-C4X-1128257)
- 6-Methyl-4-nitro-1H-indole (CAS 880086-93-1)
- 80396-57-2 NSC353057 DTXSID80419570 (CAS 80396-57-2)
- Semaglutide Impurity 13 (CAS CATO-C4X-222613)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com