5-(2,4-Dimethoxyphenyl)-1H-pyrazole-3-carboxylic acid CAS 879765-63-6
| CAS No. | 879765-63-6 |
| Molecular Formula | C12H12N2O4 |
| Molecular Weight | 248.23 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO manufactures 5-(2,4-Dimethoxyphenyl)-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.
CATO supplies 5-(2,4-Dimethoxyphenyl)-1H-pyrazole-3-carboxylic acid (CAS 879765-63-6), a certified reference material (molecular formula C12H12N2O4, MW 248.23 g/mol) for analytical method development and quality control.
Owing to an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage, 5-(2,4-Dimethoxyphenyl)-1H-pyrazole-3-carboxylic acid is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 248.23 g/mol — guide the selection of appropriate sample preparation and analytical techniques. 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 | C12H12N2O4 |
| Molecular Weight | 248.23 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 DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Nitrogen Atoms | 2 |
Related Dimethoxyphenyl Standards
- 5-(2,4-Dimethoxyphenyl)uracil (CAS 1005386-84-4)
- 5-(2,4-Dimethoxyphenyl)-1h-pyrazole-4-carboxylic acid (CAS 1152540-16-3)
- 1-(2,5-Dimethoxyphenyl)-1H-imidazole-4-carboxylic acid (CAS 1368589-32-5)
- 1-(2,4-Dimethoxyphenyl)-1H-imidazole-4-carboxylic acid (CAS 1368786-83-7)
- 5-(3,4-Dimethoxyphenyl)furan-2-carboxylic Acid (CAS 1432061-01-2)
- 5-(2,5-Dimethoxyphenyl)-1H-pyrazole-3-carboxylic acid (CAS 882238-14-4)
- 5-(2,5-Dimethoxyphenyl)-1h-pyrazole-4-carboxylic acid (CAS 879996-78-8)
- 5-(3,4-Dimethoxyphenyl)-1H-pyrazole-3-carboxylic acid (CAS 909857-88-1)
Recommended Standards
- 5-(2,3-Dihydro-1,4-benzodioxin-6-yl)-5-methyl-2,4-imidazolidinedione (CAS 301301-43-9)
- 5-(2,4-dioxohexahydropyrimidin-1-yl)-2-methyl-benzoic acid (CAS 2703773-52-6)
- 5-((4-Methoxyphenoxy)methyl)furan-2-carboxylic acid (CAS 832739-39-6)
- 5-((2-Methoxyphenoxy)methyl)furan-3-carboxylic acid (CAS 842954-83-0)
- 4,6-Diamino-2-(hydroxymethyl)-2,3-dihydrofuro[2,3-b]pyridine-5-carbonitrile (CAS 68846-27-5)
- 2-(Difluoromethoxy)-4-fluorobenzo[d]oxazole (CAS 1806425-44-4)
- 5-(2,5-Dimethyl-1h-pyrrol-1-yl)-2-methylphenylamine (CAS 943117-83-7)
- 2H-Indeno[2,1-c]pyridazine-3,9-dione (CAS 100595-21-9)
- 6-Chloro-N-(pyridin-2-ylmethyl)nicotinamide (CAS 954216-84-3)
- 4-Chromanol (CAS 1481-93-2)
- Deoxycholic Acid-24-13C (CAS 52886-37-0)
- methyl 1H,2H,3H,4H,5H-pyrido[4,3-b]indole-8-carboxylate hydrochloride (CAS 1803588-69-3)
- 3-methyl-1-(pyridin-2-ylmethyl)piperazine dihydrochloride (CAS 1803580-63-3)
- Peptide 432 (CAS CATO-CPTD788432)
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