Name | Oxipurinol |
Synonyms | OXYPURINOL Oxipurinol OXIPURINOL Oxypurinol Alloxanthin Oxoallopurinol 4,6-Dihydropyrazolo Pyrimidine 4,6-Dioxopyrazolo[3,4-d]pyrimidine 1H-Pyrazolo[3,4-d]pyrimidin-4,6-diol 1H-pyrazolo[3,4-d]pyrimidine-4,6-diol 4,6-Dihydroxypyrazolo[3,4-d]pyrimidine 4,6-Dihydroxypyrazolo[3,4-d] Pyrimidine 4,6-Dihydroxy-1H-pyrazolo[3,4-d]pyrimidine 1H-pyrazolo[3,4-d]pyrimidine-4,6(2H,5H)-dione 4,6-Dihydroxypyrazolo[3,4-d]pyriMidine (Oxypurinol) |
CAS | 2465-59-0 |
EINECS | 219-570-9 |
InChI | InChI=1/C5H4N4O2/c10-4-2-1-6-9-3(2)7-5(11)8-4/h1H,(H3,6,7,8,9,10,11) |
Molecular Formula | C5H4N4O2 |
Molar Mass | 152.11 |
Density | 1.637 |
Melting Point | 300 °C |
Boling Point | 274.55°C (rough estimate) |
Flash Point | 354.7°C |
Solubility | Soluble in DMSO. |
Vapor Presure | 3.5E-18mmHg at 25°C |
Appearance | Powder |
Color | Light yellow |
BRN | 139956 |
pKa | pKa 7.7 (Uncertain) |
Storage Condition | Sealed in dry,Room Temperature |
Stability | Hygroscoipic |
Refractive Index | 1.8500 (estimate) |
MDL | MFCD00056934 |
In vitro study | Allopurinol is rapidly metabolized (half-life approximately 1 h) to its active metabolite oxypurinol. Oxypurinol is an inhibitor of xanthine oxidoreductase and has a considerably longer elimination half-life (approximately 23 h). |
Hazard Symbols | Xi - Irritant |
Risk Codes | 36/37/38 - Irritating to eyes, respiratory system and skin. |
Safety Description | 36 - Wear suitable protective clothing. |
WGK Germany | 3 |
HS Code | 29335990 |
Hazard Class | IRRITANT |
EPA chemical information | Information provided by: ofmpub.epa.gov (external link) |
biological activity | Oxopurinol (Oxipurinol) is the main active metabolite of Allopurinol and is a xanthine oxidase (xanthine oxidase) inhibitor. Oxipurinol can be used to regulate blood uric acid level and has potential for gout research. |