3-Methoxy-4-nitro-1H-pyrazole CAS 400755-41-1
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 400755-41-1 |
| Molecular Formula | C4H5N3O3 |
| Molecular Weight | 143.10 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
3-Methoxy-4-nitro-1H-pyrazole (CAS 400755-41-1) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C4H5N3O3. Molecular weight: 143.10 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
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.) | 2025 |
| Nitrogen Atoms | 3 |
Related Methoxy Standards
- 2-Methoxy-4-nitro-1H-imidazole (CAS 13369-89-6)
- 4-Methoxy-3-nitro-1H-pyrazole (CAS 2306277-70-1)
- 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)
- 2-Methoxy-1-(1H-1,2,3-triazol-4-yl)ethan-1-ol (CAS 120829-16-5)
- (3-Methoxy-5-methyl-isoxazol-4-yl)-methanol (CAS 75989-21-8)
- 3-Methoxy-1,4-dimethyl-1H-1,2,4-triazol-5(4H)-one (CAS 385377-26-4)
- 3-Methoxy-1-methylpyrrolidine-2,5-dione (CAS 922528-52-7)
Recommended Standards
- 2-Nitro-1H-imidazole-4-carbaldehyde (CAS 89176-71-6)
- 3-Methoxyisoxazole-4-carboxylic acid (CAS 753486-89-4)
- 2-Methyl-5-oxo-4,5-dihydrooxazole-4-carboxylic acid (CAS 906728-33-4)
- 2-(2,6-Dimethylphenyl)pyrrolidine (CAS 899365-72-1)
- 2-((2-Methylallyl)oxy)benzoic acid (CAS 119171-39-0)
- ethyl 2-amino-6-fluoro-1H-indole-3-carboxylate (CAS 365547-79-1)
- 1-(3-Bromophenyl)-1,3-dihydro-2H-imidazol-2-one (CAS 944709-54-0)
- Ethyl 2-(1-methylpiperidin-4-yl)pyrimidine-5-carboxylate (CAS 1447607-67-1)
- N-(3-Amino-4-chlorophenyl)-3-(isopentyloxy)-benzamide (CAS 1020055-98-4)
- Palmitoyl hexapeptide-6 (CAS 891498-01-4)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 13829788188 / jacky.chen@cato-chem.com