3-Nitro-1H-pyrazole-1-ethanol CAS 956951-01-2
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 956951-01-2 |
| Molecular Formula | C5H7N3O3 |
| Molecular Weight | 157.13 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
3-Nitro-1H-pyrazole-1-ethanol (CAS 956951-01-2) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C5H7N3O3. Molecular weight: 157.13 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C5H7N3O3 |
| Molecular Weight | 157.13 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 |
| CAS Registry Year (est.) | 1987 |
| Nitrogen Atoms | 3 |
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Recommended Standards
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- (1S,9S)-8-oxa-2,3,4,11-tetraazatricyclo[7.4.0.0²,⁶]trideca-3,5-diene (CAS 1932199-34-2)
- 3-Methyl-1-benzothiophen-5-amine (CAS 19404-20-7)
- 6-Bromo-5-(2,4-difluorophenoxy)-1-isobutyl-1H-indazole (CAS 765914-75-8)
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