151636-76-9 7-ethyl-7-hydroxy-10H-1,3-Dioxolo(4,5-g)pyrano(3',4':6,7)indolizino(1,2-b)quinoline-8,11(7H,12H)-dione CID 72403 NSC 634724 CAS 151636-76-9
| CAS No. | 151636-76-9 |
| Molecular Formula | C21H16N2O6 |
| Molecular Weight | 392.36 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 392.36 g/mol gives 151636-76-9 7-ethyl-7-hydroxy-10H-1,3-Dioxolo(4,5-g)pyrano(3',4':6,7)indolizino(1,2-b)quinoline-8,11(7H,12H)-dione CID 72403 NSC 634724 distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
151636-76-9 7-ethyl-7-hydroxy-10H-1,3-Dioxolo(4,5-g)pyrano(3',4':6,7)indolizino(1,2-b)quinoline-8,11(7H,12H)-dione CID 72403 NSC 634724 (CAS 151636-76-9) is a high-purity analytical reference standard with the molecular formula C21H16N2O6 and a molecular weight of 392.36 g/mol.
Structurally, 151636-76-9 7-ethyl-7-hydroxy-10H-1,3-Dioxolo(4,5-g)pyrano(3',4':6,7)indolizino(1,2-b)quinoline-8,11(7H,12H)-dione CID 72403 NSC 634724 (C21H16N2O6) contains a flavonoid core, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 15.0, corresponding to approximately 15 ring(s) or double-bond equivalent(s). With a molecular weight of 392.36 g/mol, it falls into the moderately-high-molecular-weight range. 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).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO manufactures 151636-76-9 7-ethyl-7-hydroxy-10H-1,3-Dioxolo(4,5-g)pyrano(3',4':6,7)indolizino(1,2-b)quinoline-8,11(7H,12H)-dione CID 72403 NSC 634724 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 | C21H16N2O6 |
| Molecular Weight | 392.36 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 15.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2000 |
| Nitrogen Atoms | 2 |
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Recommended Standards
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- 2',4'-Dimethoxy-[1,1'-biphenyl]-4-sulfonyl chloride (CAS 1032507-11-1)
- 4-Bromo-N-(2-methoxyphenyl)benzamide (CAS 106840-94-2)
- Ethyl (1S,2S)-2-hydroxycyclopentane-1-carboxylate (CAS 122331-03-7)
- (3aR,4R,5R,6aS)-4-((S,E)-3-Hydroxy-3-methyloct-1-en-1-yl)-2-oxohexahydro-2H-cyclopenta[b]furan-5-yl benzoate (CAS 54142-12-0)
- Insulin Degludec Impurity 19 (CAS CATO-C4X-215719)
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