(9-Oxo-4,5,6,7,8,9-hexahydro-[1,2,4]triazolo-[5,1-b]quinazolin-2-yl)-acetic acid 5243AE 540514-18-9 C11H12N4O3 CAS 540514-18-9
| CAS No. | 540514-18-9 |
| Molecular Formula | C11H12N4O3 |
| Molecular Weight | 248.24 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C11H12N4O3, (9-Oxo-4,5,6,7,8,9-hexahydro-[1,2,4]triazolo-[5,1-b]quinazolin-2-yl)-acetic acid 5243AE 540514-18-9 C11H12N4O3 contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 248.24 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
(9-Oxo-4,5,6,7,8,9-hexahydro-[1,2,4]triazolo-[5,1-b]quinazolin-2-yl)-acetic acid 5243AE 540514-18-9 C11H12N4O3 (CAS 540514-18-9) is a high-purity analytical reference standard with the molecular formula C11H12N4O3 and a molecular weight of 248.24 g/mol.
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), (9-Oxo-4,5,6,7,8,9-hexahydro-[1,2,4]triazolo-[5,1-b]quinazolin-2-yl)-acetic acid 5243AE 540514-18-9 C11H12N4O3 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 | C11H12N4O3 |
| Molecular Weight | 248.24 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 methanol, ethanol, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1984 |
| Nitrogen Atoms | 4 |
Related Oxo Standards
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Recommended Standards
- (1E)-2,2,2-trifluoro-1-[(1S,4R)-4,7,7-trimethyl-3-oxo-2-bicyclo[2.2.1]heptanylidene]ethanolate (1E)-2,2,2-tris(fluoranyl)-1-[(1S,4R)-4,7,7-trimethyl-3-oxidanylidene-2-bicyclo[2.2.1]heptanylidene]ethanolate 51800-98-7 A828784 (CAS 51800-98-7)
- Topiroxostat (CAS 577778-58-6)
- 287484-35-9 Boc-Glu-OH-15N L-Glutamic-15N acid, N-t-Boc derviative N-(tert-Butoxycarbonyl)-L-glutamic acid-15N (CAS 287484-35-9)
- Topiroxostat Impurity 36 (CAS CATO-C4X-105536)
- Carglumic Acid USP Related Compound D (CAS 3058816-86-4)
- Bis(2-((S)-4-isopropyl-4,5-dihydrooxazol-2-yl)phenyl)amine (CAS 485394-20-5)
- N-(6-Amino-3-methyl-2,4-dioxo-1,2,3,4-tetrahydropyrimidin-5-yl)-4-(trifluoromethyl)benzamide (CAS 167299-07-2)
- 2-Amino-N-[3-(dimethylamino)propyl]-2-methylpropanamide dihydrochloride (CAS 1220037-96-6)
- (4-Hydroxybenzyl)glycine (CAS 22094-71-9)
- 3,3-Difluorobicyclo[3.1.0]Hexan-6-amine hydrochloride (CAS 2227206-13-3)
- 6-Ethylindoline (CAS 162716-49-6)
- N,N-DImethyl-6-pyrrolidin-2-ylpyridine-2-carboxamide dihydrochloride (CAS 1316219-08-5)
- Eltrombopag Impurity 76 (CAS 1428987-67-0)
- Peptide Impurity 27 (CAS 1350456-68-6)
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