16,18-Dioxo-17-azapentacyclo[6.6.5.0^{2,7}.0^{9,14}.0^{15,19}]nonadeca-2(7),3,5,9(14),10,12-hexaen-17-yl 4-methylbenzoate CAS 478029-40-2
| CAS No. | 478029-40-2 |
| Molecular Formula | C26H19NO4 |
| Molecular Weight | 409.43 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Owing to a steroid core, an amide group, a hydroxyl group, an ether linkage, 16,18-Dioxo-17-azapentacyclo[6.6.5.0^{2,7}.0^{9,14}.0^{15,19}]nonadeca-2(7),3,5,9(14),10,12-hexaen-17-yl 4-methylbenzoate is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 409.43 g/mol — guide the selection of appropriate sample preparation and analytical techniques. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
16,18-Dioxo-17-azapentacyclo[6.6.5.0^{2,7}.0^{9,14}.0^{15,19}]nonadeca-2(7),3,5,9(14),10,12-hexaen-17-yl 4-methylbenzoate (CAS 478029-40-2) is a high-purity analytical reference standard with the molecular formula C26H19NO4 and a molecular weight of 409.43 g/mol.
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 16,18-Dioxo-17-azapentacyclo[6.6.5.0^{2,7}.0^{9,14}.0^{15,19}]nonadeca-2(7),3,5,9(14),10,12-hexaen-17-yl 4-methylbenzoate 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 | C26H19NO4 |
| Molecular Weight | 409.43 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) | 18.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 1 |
Related Dioxo Standards
- 16,18-Dioxo-17-azapentacyclo[6.6.5.0^{2,7}.0^{9,14}.0^{15,19}]nonadeca-2(7),3,5,9(14),10,12-hexaen-17-yl 3-methylbenzoate (CAS 478029-44-6)
- 2-(1,3-Dioxo-1H-benzo[de]isoquinolin-2(3H)-yl)-N-(4-sulfamoylphenyl)acetamide (CAS 496029-14-2)
- 4-{[(10Z)-9,19-dioxo-11-thia-1-azatetracyclo[10.7.0.0^{3,8}.0^{13,18}]nonadeca-3(8),4,6,13(18),14,16-hexaen-10-ylidene]methyl}benzonitrile (CAS 866008-74-4)
- 6-{2,4-dioxo-3-azatricyclo[7.3.1.0^{5,13}]trideca-1(13),5,7,9,11-pentaen-3-yl}-N-(oxan-2-yloxy)hexanamide (CAS 1383543-24-5)
- 6-(1,3-dioxo-2,3-dihydro-1H-isoindol-2-yl)-N-(2,2,2-trichloro-1-hydroxyethyl)hexanamide (CAS 1443664-77-4)
- 5-[(1,3-Dioxo-1,3-dihydro-2H-isoindol-2-yl)methyl]-2-iodobenzoic acid (CAS 540513-92-6)
- Sodium 9,10-dioxo-9,10-dihydroanthracene-2,7-disulfonate (CAS 853-67-8)
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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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