Pyrido[2,3-d]pyrimidine-2,4,7(1H,3H,8H)-trione CAS 258282-54-1
| CAS No. | 258282-54-1 |
| Molecular Formula | C7H5N3O3 |
| Molecular Weight | 179.13 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.
Pyrido[2,3-d]pyrimidine-2,4,7(1H,3H,8H)-trione (CAS 258282-54-1) is a high-purity analytical reference standard with the molecular formula C7H5N3O3 and a molecular weight of 179.13 g/mol.
Owing to an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage, Pyrido[2,3-d]pyrimidine-2,4,7(1H,3H,8H)-trione is typically off-white to pale yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 179.13 g/mol — guide the selection of appropriate sample preparation and analytical techniques. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
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.
Physical & Chemical Properties
| Molecular Formula | C7H5N3O3 |
| Molecular Weight | 179.13 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (faint amine-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO, water |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 3 |
Related Pyrido Standards
- Pyrido[2,3-b]pyrazine-2,3,6-triol (CAS 144435-08-5)
- Pyrido[3,4-d]pyrimidine-2,4,6(1H,3H,7H)-trione (CAS 769158-39-6)
- Pyrido[3,2-g]quinoline (CAS 260-67-3)
- 2H-Pyrido[2,1-a]isoquinoline (CAS 231-00-5)
- 5H-Pyrido[3,2-b]azepine-6,9-(7H,8H)-dione (CAS 676596-63-7)
- 5H-PYrido[2,3-b]azepine, 2-chloro-6,7,8,9-tetrahydro (CAS 1211526-68-9)
- Pyrido[3,4-b]pyrazine-8-carboxylic acid (CAS 1023815-46-4)
- Pyrido[2,3-d]pyrimidine-6-carboxylic acid (CAS 1211522-41-6)
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- Naproxen Impurity 16 (CAS 34352-92-6)
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- 1-Methyl-4-(2-(4-nitrophenyl)hydrazono)piperidine (CAS 75912-39-9)
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