| CAS No. | 56686-19-2 |
| Molecular Formula | C8H6N4O4 |
| Molecular Weight | 222.16 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
CATO manufactures [4,5'-Bipyrimidine]-2,2',4',6(1H,1'H,3H,3'H)-tetraone 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.
[4,5'-Bipyrimidine]-2,2',4',6(1H,1'H,3H,3'H)-tetraone (CAS 56686-19-2) is a high-purity analytical reference standard with the molecular formula C8H6N4O4 and a molecular weight of 222.16 g/mol.
[4,5'-Bipyrimidine]-2,2',4',6(1H,1'H,3H,3'H)-tetraone (C8H6N4O4) 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. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
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.
| Molecular Formula | C8H6N4O4 |
| Molecular Weight | 222.16 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 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.) | 1973 |
| Nitrogen Atoms | 4 |