Apigenin-4'-α-L-rhamnoside CAS 133538-77-9
| CAS No. | 133538-77-9 |
| Molecular Formula | C21H20O9 |
| Molecular Weight | 416.38 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 416.38 g/mol gives Apigenin-4'-α-L-rhamnoside distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
CATO supplies Apigenin-4'-α-L-rhamnoside (CAS 133538-77-9), a certified reference material (molecular formula C21H20O9, MW 416.38 g/mol) for analytical method development and quality control.
Based on its molecular formula C21H20O9, Apigenin-4'-α-L-rhamnoside contains a flavonoid core, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 416.38 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
CATO manufactures Apigenin-4'-α-L-rhamnoside under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C21H20O9 |
| Molecular Weight | 416.38 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.) | 1995 |
Related Apigenin Standards
- 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 triacetate (CAS 3316-46-9)
- Apigenin 7-O-beta-D-glucuronide (CAS 29741-09-1)
- Apigenin-7-o-glucuronide-6'-ethyl ester (CAS 62268-42-2)
- Apigenin 7,4-dimethyl ether (CAS 5128-44-9)
- Apigenin6-C-α-L-arabinopyranosyl-8-C-β-D-xylopyranoside (CAS 677021-30-6)
Recommended Standards
- Darusentan 13C6 (CAS 1261365-22-3)
- 2-Azidoethyl 2-acetamido-3,4,6-tri-O-acetyl-2-deoxy-b-D-glucopyranoside (CAS 142072-11-5)
- Resorufin N-acetyl-b-D-glucosamine (CAS 124762-32-9)
- 4-Chloro-6,8-diiodoquinazoline (CAS 98436-53-4)
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- 4-(Difluoromethyl)-2-phenyl-1H-imidazole (CAS 2149602-29-7)
- 2,3-Dihydro-12,13-dihydroxyeuparin (CAS 135531-75-8)
- N-(2,4-Dimethylphenyl)-2,2-diphenylacetamide (CAS 70298-68-9)
- N-Propylboronic Acid (CAS 17745-45-8)
- 2-Amino-4-(dimethylamino)benzaldehyde (CAS 56669-96-6)
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- 3-(2-Naphthyl)azetidine (CAS 1260898-68-7)
- Endo-38a-Pro-Exenatide trifluoroacetate salt (CAS 1678416-95-9)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
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- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com