5-(Pyridin-3-yl)pyrimidine-2,4(1H,3H)-dione CAS 56817-28-8
| CAS No. | 56817-28-8 |
| Molecular Formula | C9H7N3O2 |
| Molecular Weight | 189.17 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
5-(Pyridin-3-yl)pyrimidine-2,4(1H,3H)-dione (CAS 56817-28-8), molecular formula C9H7N3O2 and molecular weight 189.17 g/mol, is a CATO reference standard with documented purity and traceability.
Owing to an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage, 5-(Pyridin-3-yl)pyrimidine-2,4(1H,3H)-dione is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 189.17 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).
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), 5-(Pyridin-3-yl)pyrimidine-2,4(1H,3H)-dione 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 | C9H7N3O2 |
| Molecular Weight | 189.17 g/mol |
| Appearance | Pale yellow to 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 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) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1973 |
| Nitrogen Atoms | 3 |
Related Pyridin Standards
- 1-(Pyridin-2-yl)-1H-pyrazole-3-carboxylic acid (CAS 1014631-58-3)
- 1-(Pyridin-3-yl)-1H-pyrazole-3-carboxylic acid (CAS 1014631-62-9)
- 1-(Pyridin-3-yl)-1H-pyrazole-4-carboxylic acid (CAS 1014631-89-0)
- 5-(Pyridin-3-yl)-1h-pyrazole-4-carboxylic acid (CAS 1152539-87-1)
- 3-(Pyridin-2-yl)-1H-pyrazole-4-carboxylic acid (CAS 1152539-92-8)
- 1-(Pyridin-4-yl)-1H-pyrazole-4-carboxylic acid (CAS 1155066-46-8)
- 4-(Pyridin-3-yl)-1H-pyrazole-3-carboxylic acid (CAS 117784-26-6)
- 4-(Pyridin-4-yl)-1H-pyrazole-3-carboxylic acid (CAS 117784-27-7)
Recommended Standards
- 5-(Pyridin-3-yl)furan-2-carboxylic acid (CAS 56632-46-3)
- 5-(Pyridin-3-yloxy)furan-2-carbaldehyde (CAS 857284-14-1)
- 5-(Pyridin-3-yl)-4H-pyrazole-3-carboxylic acid (CAS 904813-10-1)
- 5-(Pyridin-4-yl)-1h-pyrazole-4-carboxylic acid (CAS 911462-25-4)
- 4-Hydroxycyclohexanecarboxylic acid (CAS 17419-81-7)
- Platinum(IV) oxide 99.95% (CAS 16833-27-5)
- 2-(2-Aminobutan-2-yl)pyrimidin-4-amine (CAS 1339713-58-4)
- Nilotinib Impurity 32 (CAS CATO-C4X-125632)
- 2-(tert-Butoxy)-4-cyclopropoxy-1-isopropoxybenzene (CAS 1243458-74-3)
- Ethylene Terephthalate Cyclic Dimer (CAS 24388-68-9)
- 2-cyclopropyl-2-methoxyethan-1-ol (CAS 1783648-29-2)
- (R)-tert-Butyl 3-((6-chloropyrimidin-4-yl)amino)pyrrolidine-1-carboxylate (CAS 1289585-36-9)
- Benazolin-Ethyl Ester (CAS 25059-80-7)
- Tau Peptide (274-288) trifluoroacetate salt (CAS 330456-39-8)
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