| CAS No. | 17795-21-0 |
| Molecular Formula | C5H3N4O |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
The occurrence of 428673RC2Z 17795-21-0 Allopurinol sodium 1,5-Dihydro-4H-pyrazolo(3,4-d)pyrimidin-4-one, monosodium salt 4H-Pyrazolo(3,4-d)pyrimidin-4-one, 1,5-dihydro-, monosodium salt (8CI)(9CI) Allopurinol sodium salt EINECS 241-771-5 NSC 108836 1H-Pyrazolo(3,4-d)pyrimidin-4-ol, monosodium salt Sodium allopurinol Aloprim UNII-428673RC2Z is closely related to an amide group, a hydroxyl group, an ether linkage in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
CATO supplies 428673RC2Z 17795-21-0 Allopurinol sodium 1,5-Dihydro-4H-pyrazolo(3,4-d)pyrimidin-4-one, monosodium salt 4H-Pyrazolo(3,4-d)pyrimidin-4-one, 1,5-dihydro-, monosodium salt (8CI)(9CI) Allopurinol sodium salt EINECS 241-771-5 NSC 108836 1H-Pyrazolo(3,4-d)pyrimidin-4-ol, monosodium salt Sodium allopurinol Aloprim UNII-428673RC2Z (CAS 17795-21-0), a certified reference material (molecular formula C5H3N4ONa, MW 158.10 g/mol) for analytical method development and quality control.
428673RC2Z 17795-21-0 Allopurinol sodium 1,5-Dihydro-4H-pyrazolo(3,4-d)pyrimidin-4-one, monosodium salt 4H-Pyrazolo(3,4-d)pyrimidin-4-one, 1,5-dihydro-, monosodium salt (8CI)(9CI) Allopurinol sodium salt EINECS 241-771-5 NSC 108836 1H-Pyrazolo(3,4-d)pyrimidin-4-ol, monosodium salt Sodium allopurinol Aloprim UNII-428673RC2Z (C5H3N4ONa) contains an amide group, a hydroxyl group, an ether linkage. Its physicochemical properties are representative of its class; 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.
As a certified reference material (CRM), 428673RC2Z 17795-21-0 Allopurinol sodium 1,5-Dihydro-4H-pyrazolo(3,4-d)pyrimidin-4-one, monosodium salt 4H-Pyrazolo(3,4-d)pyrimidin-4-one, 1,5-dihydro-, monosodium salt (8CI)(9CI) Allopurinol sodium salt EINECS 241-771-5 NSC 108836 1H-Pyrazolo(3,4-d)pyrimidin-4-ol, monosodium salt Sodium allopurinol Aloprim UNII-428673RC2Z 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.
| Molecular Formula | C5H3N4O Na |
| Molecular Weight | 158.10 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 |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 6.5 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1962 |
| Nitrogen Atoms | 4 |