Methyl 3-(4-nitro-1h-pyrazol-1-yl)propanoate CAS 494747-22-7
| CAS No. | 494747-22-7 |
| Molecular Formula | C7H9N3O4 |
| Molecular Weight | 199.16 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Methyl 3-(4-nitro-1h-pyrazol-1-yl)propanoate (CAS 494747-22-7) is a high-purity analytical reference standard with the molecular formula C7H9N3O4 and a molecular weight of 199.16 g/mol.
Structurally, Methyl 3-(4-nitro-1h-pyrazol-1-yl)propanoate (C7H9N3O4) contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 5.0, corresponding to approximately 5 ring(s) or double-bond equivalent(s). With a molecular weight of 199.16 g/mol, it falls into the medium-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
Physical & Chemical Properties
| Molecular Formula | C7H9N3O4 |
| Molecular Weight | 199.16 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) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 3 |
Related Methyl Standards
- 3-(5-Methyl-3-nitro-1h-pyrazol-1-yl)propanoic acid (CAS 1002032-61-2)
- Methyl 3-(3-nitro-1h-pyrazol-1-yl)propanoate (CAS 1002033-59-1)
- 3-(5-Methyl-4-nitro-1h-pyrazol-1-yl)propanoic acid (CAS 1004644-54-5)
- 2-(4-Nitro-1h-pyrazol-1-yl)butanoic acid (CAS 1005669-62-4)
- 2-(5-Methyl-3-nitro-1h-pyrazol-1-yl)propanoic acid (CAS 1005670-43-8)
- 2-Methyl-2-(3-nitro-1h-pyrazol-1-yl)propanoic acid (CAS 1006435-66-0)
- 3-Nitro-1-propyl-1H-pyrazole-5-carboxylic acid (CAS 1006950-66-8)
- 4-Nitro-1-propyl-1h-pyrazole-3-carboxylic acid (CAS 1006957-63-6)
Recommended Standards
- methyl 1,3-dimethyl-4-nitro-1H-pyrazole-5-carboxylate (CAS 78208-69-2)
- rel-(2S,5S,Z)-3-(2-Hydroxyethylidene)-7-oxo-4-oxa-1-azabicyclo[3.2.0]heptane-2-carboxylic acid (CAS 66428-09-9)
- Methyl (2-methyl-4-nitro-1H-imidazol-1-yl)acetate (CAS 25023-24-9)
- Nifuratel Impurity 14 (CAS 25294-71-7)
- 4-(Pyrrolidin-1-yl)-1-(2,4,6-trimethoxyphenyl)butan-1-one (4-formyl-5-hydroxy-6-methylpyridin-3-yl)methyl phosphate (CAS 104018-07-7)
- (1R,2S)-2-(2,3-dihydrobenzo[b][1,4]dioxine-6-carbonyl)cyclohexane-1-carboxylic acid (CAS 844856-73-1)
- 4-Chloro-5-(2-methoxyethoxy)-1-methyl-1H-pyrazole-3-carboxylic acid (CAS 1710661-10-1)
- 1-Chloro-2-methyl-3-(trifluoromethyl)benzene (CAS 93242-63-8)
- Methyl 3-chloro-5-fluorobenzoate (CAS 327056-75-7)
- 2-Hydroxy-2-methylpropanehydrazide (CAS 42596-46-3)
- 2-(Ethylsulfanyl)-4-(4-methylphenyl)-1H,4H,5H-indeno[1,2-d]pyrimidin-5-one (CAS 383147-80-6)
- Ethyl 2-amino-3,6-difluorobenzoate (CAS 1183263-18-4)
- 2-(Cyclopropanecarboxamido)benzamide (CAS 433956-82-2)
- 3X Flag Peptide trifluoroacetate salt (CAS 402750-12-3)
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