6-{5,11-dioxo-5H,6H,6aH,11H-isoindolo[2,1-a]quinazolin-6-yl}hexanoic acid CAS 1630763-33-5
| CAS No. | 1630763-33-5 |
| Molecular Formula | C21H20N2O4 |
| Molecular Weight | 364.39 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 364.39 g/mol gives 6-{5,11-dioxo-5H,6H,6aH,11H-isoindolo[2,1-a]quinazolin-6-yl}hexanoic acid distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
6-{5,11-dioxo-5H,6H,6aH,11H-isoindolo[2,1-a]quinazolin-6-yl}hexanoic acid (CAS 1630763-33-5) is a high-purity analytical reference standard with the molecular formula C21H20N2O4 and a molecular weight of 364.39 g/mol.
The molecular framework of 6-{5,11-dioxo-5H,6H,6aH,11H-isoindolo[2,1-a]quinazolin-6-yl}hexanoic acid (C21H20N2O4) is characterized by a flavonoid core, an amide group, a hydroxyl group, an ether linkage. In reversed-phase chromatography, its retention is governed primarily by the protonation state of its nitrogen-containing groups, which provides a practical basis for HPLC-UV/DAD or LC-MS method development. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), 6-{5,11-dioxo-5H,6H,6aH,11H-isoindolo[2,1-a]quinazolin-6-yl}hexanoic acid 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 | C21H20N2O4 |
| Molecular Weight | 364.39 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) | 13.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1993 |
| Nitrogen Atoms | 2 |
Related dioxo Standards
- 2-[3-(1,3-dioxo-2,3-dihydro-1H-isoindol-2-yl)-2-methoxypropyl]-2,3-dihydro-1H-isoindole-1,3-dione (CAS 856832-79-6)
- 4-(4-(2,5-Dioxo-2,5-dihydro-1H-pyrrol-1-yl)phenoxy)benzene-1-sulfonyl chloride (CAS 677326-81-7)
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- 4-(2,5-Dioxo-2,5-dihydro-1H-pyrrol-1-yl)-N-(3-(3-(trifluoromethyl)-3H-diazirin-3-yl)phenyl)butanamide (CAS 151077-62-2)
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- (3-(1-Methyl-2,3-dioxo-1,2,3,4-tetrahydroquinoxalin-6-yl)propanoyl)glycylglycine (CAS 1630861-70-9)
Recommended Standards
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- n-Ethyl-2-iodoaniline (CAS 133286-16-5)
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- 2-(BEnzyloxy)-3-methylphenol (CAS 150710-99-9)
- Methyl 5-amino-1-(2,3-dihydrobenzo[b][1,4]dioxin-6-yl)-1H-pyrazole-4-carboxylate (CAS 1416344-35-8)
- Des-Leu14-Tirzepatide (CAS CATO-CPTD788959)
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