2-(3-Nitro-1h-pyrazol-1-yl)-1-(4-nitrophenyl)ethan-1-one CAS 1240565-57-4
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1240565-57-4 |
| Molecular Formula | C11H8N4O5 |
| Molecular Weight | 276.21 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
2-(3-Nitro-1h-pyrazol-1-yl)-1-(4-nitrophenyl)ethan-1-one (CAS 1240565-57-4) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C11H8N4O5. Molecular weight: 276.21 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C11H8N4O5 |
| Molecular Weight | 276.21 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1990 |
| Nitrogen Atoms | 4 |
Related Nitro Standards
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- 2-(4-Nitro-1h-pyrazol-1-yl)-1-(3-nitrophenyl)ethan-1-one (CAS 1240572-03-5)
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Recommended Standards
- 2-bromo-3-methyl-N-(2-methylcyclohexyl)butanamide (CAS 1134723-91-3)
- 2-Bromo-1-(3,5-dimethylpiperidin-1-yl)-3-methylbutan-1-one (CAS 1134516-21-4)
- methyl 2-hydroxy-4-oxo-4-phenyl-2-(trifluoromethyl)butanoate (CAS 126402-01-5)
- (S)-3-(4-Bromobenzyl)piperazin-2-one (CAS 1240582-29-9)
- 2,2-Dimethyl-5-phenylpentan-1-amine hydrochloride (CAS 1306606-57-4)
- 6-Methoxy-N-(piperidin-4-yl)pyrimidin-4-amine dihydrochloride (CAS 1713160-69-0)
- N-(p-Aminophenethyl)spiperone (CAS 93801-18-4)
- 2-(4-(2-Bromopropanoyl)phenoxy)acetic acid (CAS 33254-93-2)
- 6-Chloro-3-(chloromethyl)oxazolo[4,5-b]pyridin-2(3H)-one (CAS 35570-70-8)
- [D-His]-Semaglutide B (x TFA Salt) (CAS CATO-C4X-2226117)
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