3H-Pyrazolo[4,3-d]pyrimidine-5,7(4H,6H)-dione CAS 91113-87-0
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 91113-87-0 |
| Molecular Formula | C5H4N4O2 |
| Molecular Weight | 152.11 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Order 3H-Pyrazolo[4,3-d]pyrimidine-5,7(4H,6H)-dione (CAS 91113-87-0) pharmaceutical standards reference standard from CATO: ISO 17034 accredited producer, 130,000+ catalog items in stock. Molecular formula: C5H4N4O2. Molecular weight: 152.11 g/mol. COA included with every batch.
Physical & Chemical Properties
| Molecular Formula | C5H4N4O2 |
| Molecular Weight | 152.11 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 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) | 6.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1983 |
| Nitrogen Atoms | 4 |
Related H Standards
- 1H-Pyrazolo[3,4-d]pyrimidine-4,6(3aH,5H)-dione (CAS 1049677-62-4)
- 1H-Pyrazolo[3,4-d]pyrimidine-3,4(2H,7H)-dione (CAS 128850-53-3)
- 1H-Pyrazolo[3,4-d]pyrimidine-4,6(2H,5H)-dione (CAS 184764-63-4)
- 2H-Pyrazolo[3,4-d]pyrimidine-4,6(5H,7H)-dione (CAS 187486-05-1)
- 1H-Pyrazolo[3,4-b]pyrazine-5,6(4H,7H)-dione (CAS 21616-67-1)
- Pyrazolo[1,5-a][1,3,5]triazine-2,4-diol (CAS 34683-40-4)
- 1H-Pyrazolo[3,4-d]pyrimidine, 3-fluoro-1-methyl- (CAS 1219636-62-0)
- 2-(1H-Pyrazolo[1,5-b][1,2,4]triazol-2-yl)ethanol (CAS 197355-78-5)
Recommended Standards
- 3-(Trifluoromethyl)cyclobutane-1-carbaldehyde (CAS 2091355-32-5)
- 3-Hydroxy-2H-pyrazolo[4,3-d]pyrimidin-7(4H)-one (CAS 70015-70-2)
- 3-(Trifluoromethyl)bicyclo[1.1.1]pentan-1-ol (CAS 585532-19-0)
- Ethyl 2-((9-methyl-4-oxo-4H-pyrido[1,2-a][1,3,5]triazin-2-yl)thio)propanoate (CAS 306978-93-8)
- 3-Chloro-2-(2-(1-(3-chloro-5-(trifluoromethyl)pyridin-2-yl)-1H-1,2,4-triazol-3-yl)ethyl)-5-(trifluoromethyl)pyridine (CAS 400081-29-0)
- 2-Hydrazinyl-3-((trifluoromethyl)thio)pyridine (CAS 1204235-22-2)
- 3-fluoro-N-(furan-2-ylmethyl)-4-methoxyaniline (CAS 1096888-35-5)
- (S)-2-((((9H-fluoren-9-yl)methoxy)carbonyl)amino)-8-(allyloxy)-8-oxooctanoic acid (CAS 167368-90-3)
- 7-Bromo-2-chloro-5-trityl-5H-pyrrolo[2,3-b]pyrazine (CAS 1509941-36-9)
- Peptide Impurity 34 (CAS 21282-09-7)
Why CATO?
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- 130,000+ catalog items in stock, COA supplied with every batch
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