3-nitro-4H-pyrazolo[1,5-a]pyrimidin-5-one CAS 1919868-75-9
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1919868-75-9 |
| Molecular Formula | C6H10N4O3 |
| Molecular Weight | 186.17 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
3-nitro-4H-pyrazolo[1,5-a]pyrimidin-5-one (CAS 1919868-75-9) is a pharmaceutical standards certified reference material from CATO. Molecular formula: C6H10N4O3. Molecular weight: 186.17 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C6H10N4O3 |
| Molecular Weight | 186.17 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) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1995 |
| Nitrogen Atoms | 4 |
Related nitro Standards
- 6-nitro-3H-pyrrolo[2,1-f][1,2,4]triazin-4-one (CAS 1160995-41-4)
- 9-Nitro-2-oxa-5-azaspiro[3.5]nonan-6-one (CAS 1803570-16-2)
- 2-((1-Methyl-4-nitro-1h-imidazol-5-yl)amino)ethan-1-ol (CAS 65020-24-8)
- 2-(3-nitro-1h-1,2,4-triaZol-1-yl)acetohydrazide (CAS 149453-08-7)
- 3-(3-Nitro-1H-1,2,4-triazol-1-yl)propanoic acid (CAS 159209-58-2)
- Methyl (3-nitro-1H-pyrazol-4-yl)carbamate (CAS 179747-68-3)
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Recommended Standards
- Methyl 4-methoxy-3-methyl-5-oxo-2,5-dihydro-1H-pyrazole-1-carboxylate (CAS 190257-06-8)
- Diethyl cyanoiminodicarbonate (CAS 19245-24-0)
- 5-Hydroxy-3-methyl-2-nitrohexa-2,4-dienamide (CAS 1858264-57-9)
- 1-(2-Fluoro-3-methoxyphenyl)piperazine (CAS 1121613-59-9)
- 3-Methyl-3-azabicyclo[3.1.0]hexan-1-amine (CAS 741246-04-8)
- (S)-4,6-Dimethylpiperazin-2-one (CAS 2879236-02-7)
- 6,7-Dichloro-2,3,4,5-tetrahydro-1H-pyrido[4,3-b]indole (CAS 922510-77-8)
- Ethyl (E)-3-(4-amino-5-bromopyridin-3-yl)acrylate (CAS 912760-87-3)
- Gadobutrol Impurity 2 (CAS CATO-C4X-21202)
- Liraglutide Impurity 28 (CAS CATO-C4X-199228)
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