4-Isopropyl-1,5-dioxo-2,3,4,5-tetrahydropyrrolo[1,2-a]quinazoline-3a(1h)-carboxylic acid CAS 848316-28-9
| CAS No. | 848316-28-9 |
| Molecular Formula | C15H16N2O4 |
| Molecular Weight | 288.30 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
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.
CATO supplies 4-Isopropyl-1,5-dioxo-2,3,4,5-tetrahydropyrrolo[1,2-a]quinazoline-3a(1h)-carboxylic acid (CAS 848316-28-9), a certified reference material (molecular formula C15H16N2O4, MW 288.30 g/mol) for analytical method development and quality control.
Structurally, 4-Isopropyl-1,5-dioxo-2,3,4,5-tetrahydropyrrolo[1,2-a]quinazoline-3a(1h)-carboxylic acid (C15H16N2O4) contains a flavonoid core, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 9.0, corresponding to approximately 9 ring(s) or double-bond equivalent(s). With a molecular weight of 288.30 g/mol, it falls into the medium-molecular-weight range. 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.
Physical & Chemical Properties
| Molecular Formula | C15H16N2O4 |
| Molecular Weight | 288.30 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) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Nitrogen Atoms | 2 |
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- 3-(4-Methoxyphenyl)-1,6-dimethylpyrimido[5,4-e][1,2,4]triazine-5,7(1H,6H)-dione (CAS 52348-60-4)
- N-[(2,3-Dihydro-1,4-benzodioxin-6-yl)sulfonyl]valine (CAS 1396965-93-7)
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- N-Lauroyl-L-glutamic acid di-n-butylamide (CAS 63663-21-8)
- Ac-(5-31)Semaglutide (CAS CATO-C4X-2226279)
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