3-(2-Oxo-1,2,3,4-tetrahydro-3-quinazolinyl)pyrrolidine-2,5-dione CAS 940055-63-0
| CAS No. | 940055-63-0 |
| Molecular Formula | C12H11N3O3 |
| Molecular Weight | 245.23 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
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.
3-(2-Oxo-1,2,3,4-tetrahydro-3-quinazolinyl)pyrrolidine-2,5-dione (CAS 940055-63-0) is a high-purity analytical reference standard with the molecular formula C12H11N3O3 and a molecular weight of 245.23 g/mol.
3-(2-Oxo-1,2,3,4-tetrahydro-3-quinazolinyl)pyrrolidine-2,5-dione (C12H11N3O3) contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage. It is notably hygroscopic, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
CATO manufactures 3-(2-Oxo-1,2,3,4-tetrahydro-3-quinazolinyl)pyrrolidine-2,5-dione 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 | C12H11N3O3 |
| Molecular Weight | 245.23 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 | 3 |
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Recommended Standards
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- 2-Undecylimidazoline (CAS 29249-55-6)
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- N-(4-Aminophenyl)-2-(4-chlorophenoxy)acetamide (CAS 953717-19-6)
- 2-Chloro-N-(2-(p-tolyl)-2,6-dihydro-4H-thieno[3,4-c]pyrazol-3-yl)benzamide (CAS 361171-94-0)
- 5-((2-Aminophenyl)amino)-4'-fluoro-1,6-dihydro-[1,1'-biphenyl]-3(2H)-one (CAS 338400-92-3)
- tert-Butyl (R)-2-((methylsulfonyl)methyl)piperazine-1-carboxylate (CAS 2655731-41-0)
- 3-Hydroxyfuro[3,4-c]pyridin-1(3H)-one (CAS 944906-85-8)
- 1-Methyl-1,4-diazepane (CAS 4318-37-0)
- 7-Fluoro-5-methoxy-2H-benzo[e][1,2,4]thiadiazin-3(4H)-one 1,1-dioxide (CAS 2100839-75-4)
- 5-methyl-5-(pyrazin-2-yl)imidazolidine-2,4-dione (CAS 1198166-86-7)
- N-(4-methylbenzyl)-1-(pyridin-4-yl)methanamine (CAS 626210-31-9)
- Semaglutide impurity 39 (CAS CATO-C4X-222639)
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