| CAS No. | 147194-39-6 |
| Molecular Formula | C6H6N4O4 |
| Molecular Weight | 198.14 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Compared with other compounds in its class, the molecular weight of 198.14 g/mol gives 4-(2-Hydroxyethyl)-[1,2,5]oxadiazolo[3,4-d]pyrimidine-5,7(4H,6H)-dione distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
4-(2-Hydroxyethyl)-[1,2,5]oxadiazolo[3,4-d]pyrimidine-5,7(4H,6H)-dione (CAS 147194-39-6) is a high-purity analytical reference standard with the molecular formula C6H6N4O4 and a molecular weight of 198.14 g/mol.
Based on its molecular formula C6H6N4O4, 4-(2-Hydroxyethyl)-[1,2,5]oxadiazolo[3,4-d]pyrimidine-5,7(4H,6H)-dione 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 198.14 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).
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.
CATO manufactures 4-(2-Hydroxyethyl)-[1,2,5]oxadiazolo[3,4-d]pyrimidine-5,7(4H,6H)-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.
| Molecular Formula | C6H6N4O4 |
| Molecular Weight | 198.14 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) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1999 |
| Nitrogen Atoms | 4 |