1-((2-Nitrophenoxy)methyl)-1h-pyrazole-3-carboxylic acid CAS 1004643-30-4
| CAS No. | 1004643-30-4 |
| Molecular Formula | C11H9N3O5 |
| Molecular Weight | 263.21 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Owing to an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage, 1-((2-Nitrophenoxy)methyl)-1h-pyrazole-3-carboxylic acid is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 263.21 g/mol — guide the selection of appropriate sample preparation and analytical techniques. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
1-((2-Nitrophenoxy)methyl)-1h-pyrazole-3-carboxylic acid (CAS 1004643-30-4), molecular formula C11H9N3O5 and molecular weight 263.21 g/mol, is a CATO reference standard with documented purity and traceability.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO manufactures 1-((2-Nitrophenoxy)methyl)-1h-pyrazole-3-carboxylic acid under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C11H9N3O5 |
| Molecular Weight | 263.21 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) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1988 |
| Nitrogen Atoms | 3 |
Related Nitrophenoxy Standards
- 1-((4-Nitrophenoxy)methyl)-1H-pyrazole-3-carboxylic acid (CAS 1006954-05-7)
- 5-((2-Nitrophenoxy)methyl)furan-2-carboxylic acid (CAS 364621-84-1)
- 5-[(3-nitrophenoxy)methyl]furan-2-carboxylic acid (CAS 861225-55-0)
- 5-[(4-nitrophenoxy)methyl]furan-2-carboxylic acid (CAS 438219-25-1)
- 5-((4-Ethyl-2-nitrophenoxy)methyl)-1,3,4-oxadiazol-2-amine (CAS 1706453-89-5)
- 2-(4-Nitrophenoxy)-1-(piperidin-1-yl)ethanone (CAS 50508-35-5)
- 5-[(3-methyl-4-nitrophenoxy)methyl]furan-2-carbaldehyde (CAS 438220-91-8)
- 3-(2-Nitrophenoxy)thiophene-2-carboxylic acid (CAS 252026-99-6)
Recommended Standards
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- Gemcitabine EP Impurity B (CAS 95058-85-8)
- Chlorophosphine C.I. No. 19555 (CAS 14500-83-5)
- 1,3-Dimethyl-6-phenylpyrano[2,3-c]pyrazol-4(1H)-one (CAS 137527-47-0)
- 1-Methyl-5-oxopyrrolidine-2-carboxamide (CAS 3770-16-9)
- 4-Methyl-3-(propane-2-sulfonyl)benzoic acid (CAS 1152497-12-5)
- 2-(But-3-yn-2-yl)isoindoline-1,3-dione (CAS 14396-89-5)
- 3-Iodo-N-(prop-2-yn-1-yl)benzamide (CAS 1247441-29-7)
- 4-Methyl-6-phenyl-1H-pyrazolo[3,4-d]pyrimidin-3-amine (CAS 115073-23-9)
- Bis(2-((4R,5R)-4,5-diphenyl-4,5-dihydrooxazol-2-yl)phenyl)amine (CAS 1370549-65-7)
- Glipizide Impurity 39 (CAS CATO-C4X-140739)
- Semaglutide Impurity 75 (CAS CATO-C4X-2226175)
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 18665070610 / Nicole.chen@cato-chem.com