4-Methoxy-3-nitro-1H-pyrazole CAS 2306277-70-1
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 2306277-70-1 |
| Molecular Formula | C4H5N3O3 |
| Molecular Weight | 143.10 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-Methoxy-3-nitro-1H-pyrazole (CAS 2306277-70-1) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C4H5N3O3. Molecular weight: 143.10 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C4H5N3O3 |
| Molecular Weight | 143.10 g/mol |
| 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.) | 1999 |
| Nitrogen Atoms | 3 |
Related Methoxy Standards
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- 3-Methoxy-4-nitro-1H-pyrazole (CAS 400755-41-1)
- 5-Methoxy-4-nitro-1H-imidazole (CAS 68019-78-3)
- 6-methoxy-2,3,4,5-tetrahydro-1,2,4-triazine-3,5-dione (CAS 57857-37-1)
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Recommended Standards
- 4-Amino-5-oxo-4,5-dihydro-1H-pyrazole-3-carboxylic acid (CAS 89033-46-5)
- 4-Nitro-1H-pyrazole-3,5-diamine (CAS 62063-02-9)
- 4-Amino-5-hydroxy-2-oxo-2,5-dihydro-1H-imidazole-1-carbaldehyde (CAS 51495-77-3)
- Rabeprazole sodium salt-[13C，d3] (CAS 1261392-48-6)
- 5-Cyclopropyl-1-(2-(2-hydroxyethoxy)ethyl)-1h-1,2,3-triazole-4-carboxylic acid (CAS 1285036-25-0)
- Benzyl 3-tert-Butylsulfinyliminoazetidine-1-carboxylate (CAS 1638764-74-5)
- 2-Amino-5-chloro-6-[(piperazin-1-yl)sulfonyl]phenol sulfate (CAS 960495-45-8)
- (S)-3-Bromobutanoic acid (CAS 77790-08-0)
- Descyano Diclazuril Ketone (CAS 133648-81-4)
- 263251-78-1 NMG938VJ6T D-3 Tavilermide [USAN:INN] UNII-NMG938VJ6T MIM-D3 MIM-D 3 D 3 (peptide) Tavilermide (CAS 263251-78-1)
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