Apigenin 5-O-β-D-Glucopyranoside CAS 28757-27-9
| CAS No. | 28757-27-9 |
| Molecular Formula | C21H20O10 |
| Molecular Weight | 432.38 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The molecular framework of Apigenin 5-O-β-D-Glucopyranoside (C21H20O10) is characterized by a flavonoid core, a hydroxyl group, an ether linkage. In reversed-phase chromatography, its retention is governed primarily by the polarity and ionization state of its functional groups, which provides a practical basis for HPLC-UV/DAD or LC-MS method development. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
Apigenin 5-O-β-D-Glucopyranoside (CAS 28757-27-9), molecular formula C21H20O10 and molecular weight 432.38 g/mol, is a CATO reference standard with documented purity and traceability.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Physical & Chemical Properties
| Molecular Formula | C21H20O10 |
| Molecular Weight | 432.38 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at room temperature, 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) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1965 |
Related Apigenin Standards
- 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)
- Apigenin-4'-α-L-rhamnoside (CAS 133538-77-9)
- Apigenin triacetate (CAS 3316-46-9)
- Apigenin-7-o-glucuronide-6'-ethyl ester (CAS 62268-42-2)
- Apigenin6-C-α-L-arabinopyranosyl-8-C-β-D-xylopyranoside (CAS 677021-30-6)
- Apigenin 7-O-(6’’-malonyl)-β-D-glucopyranoside (CAS 86546-87-4)
Recommended Standards
- 7-(Bromomethyl)-2H-chromen-2-one (CAS 53878-12-9)
- Emodin 6-O-β-D-glucoside (CAS 34298-85-6)
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- Tert-butyl 4-((1H-pyrazol-4-yl)methyl)piperidine-1-carboxylate (CAS 1918197-76-8)
- Fragment-[3-31]-Semaglutide (CAS CATO-C4X-2226113)
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