4-(4-Methoxy-pyrazol-1-ylmethyl)-benzoic acid CAS 2018287-95-9
| CAS No. | 2018287-95-9 |
| Molecular Formula | C12H12N2O3 |
| Molecular Weight | 232.24 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-(4-Methoxy-pyrazol-1-ylmethyl)-benzoic acid (CAS 2018287-95-9), molecular formula C12H12N2O3 and molecular weight 232.24 g/mol, is a CATO reference standard with documented purity and traceability.
4-(4-Methoxy-pyrazol-1-ylmethyl)-benzoic acid (C12H12N2O3) contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage. It is notably hygroscopic, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), 4-(4-Methoxy-pyrazol-1-ylmethyl)-benzoic acid meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C12H12N2O3 |
| Molecular Weight | 232.24 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.) | 1996 |
| Nitrogen Atoms | 2 |
Related Methoxy Standards
- 5-(2-Methoxy-5-methylphenyl)-1H-pyrazole-3-carboxylic acid (CAS 1038397-89-5)
- 4-Methoxy-N-(5-methylisoxazol-3-yl)benzamide (CAS 109300-31-4)
- 1-(2-Methoxy-5-methylphenyl)-1h-pyrazole-3-carboxylic acid (CAS 1152535-19-7)
- N-Methoxy-N-methyl-2-phenyl-2H-1,2,3-triazole-4-carboxamide (CAS 1258697-39-0)
- 1-(2-methoxy-5-methylphenyl)-1H-imidazole-4-carboxylic acid (CAS 1275488-43-1)
- 4'-Methoxy-2',3'-dihydrospiro[imidazolidine-4,1'-indene]-2,5-dione (CAS 1334147-85-1)
- 5-Methoxy-1-(m-tolyl)-1H-pyrazole-3-carboxylic acid (CAS 1344692-96-1)
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Recommended Standards
- 4-(4,5-Dimethyl-2-oxo-2,3-dihydro-1H-imidazol-1-yl)benzoic acid (CAS 31409-39-9)
- 4-(4-Methyl-1H-indazol-1-yl)-4-oxobutanoic acid (CAS 902937-33-1)
- 4-(3-Phenyl-1,2,4-oxadiazol-5-yl)butanoic acid (CAS 875164-21-9)
- 4-(4-Nitro-1H-indol-3-yl)butan-2-one (CAS 885266-72-8)
- N-(2-(4-Methylpiperazin-1-yl)pyrimidin-5-yl)furan-2-carboxamide (CAS 1421457-52-4)
- 1-Diphenylmethyl-2-methyl-3-azetidone (CAS 959062-84-1)
- Z-Val-Asp-Val-Ala-Asp-AFC (CAS 219138-08-6)
- ((Benzyloxy)carbonyl)-L-isoleucyl-L-phenylalanine (CAS 13254-07-4)
- CAS 2504147-16-2 (CAS 2504147-16-2)
- 1-(2-Methoxyphenyl)butan-1-one (CAS 13404-83-6)
- 2,3,5,6-Tetrafluorobenzonitrile (CAS 5216-17-1)
- 1-(Ethylamino)butan-2-ol (CAS 68058-17-3)
- 4-methyl-2-(methylsulfanyl)-5-(tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine (CAS 1354911-06-0)
- Insulin Degludec Impurity 7 (CAS CATO-C4X-21577)
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