3-Methyl-1-(pyridin-2-ylmethyl)-1h-pyrazole-5-carboxylic acid CAS 1522841-47-9
| CAS No. | 1522841-47-9 |
| Molecular Formula | C11H11N3O2 |
| Molecular Weight | 217.22 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 217.22 g/mol gives 3-Methyl-1-(pyridin-2-ylmethyl)-1h-pyrazole-5-carboxylic acid distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
3-Methyl-1-(pyridin-2-ylmethyl)-1h-pyrazole-5-carboxylic acid (CAS 1522841-47-9) is a high-purity analytical reference standard with the molecular formula C11H11N3O2 and a molecular weight of 217.22 g/mol.
3-Methyl-1-(pyridin-2-ylmethyl)-1h-pyrazole-5-carboxylic acid (C11H11N3O2) 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. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Physical & Chemical Properties
| Molecular Formula | C11H11N3O2 |
| Molecular Weight | 217.22 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.) | 1992 |
| Nitrogen Atoms | 3 |
Related Methyl Standards
- Ethyl 1-(pyridin-4-yl)-1H-pyrazole-4-carboxylate (CAS 1014631-92-5)
- 1035235-03-0 5-pyridin-2-ylfuran-2-carboxylic acid ethyl ester (CAS 1035235-03-0)
- 5-Ethyl-1-(pyridin-2-yl)-1h-pyrazole-4-carboxylic acid (CAS 1135324-06-9)
- ethyl 3-(pyridin-2-yl)-1H-pyrazole-4-carboxylate (CAS 1188263-92-4)
- 1-Ethyl-3-(pyridin-3-yl)-1H-pyrazole-4-carboxylic acid (CAS 1247378-82-0)
- Methyl 2-(1-(pyridin-2-yl)-1H-imidazol-4-yl)acetate (CAS 1334541-86-4)
- 3-Methyl-1-(pyridin-4-ylmethyl)-1h-pyrazole-5-carboxylic acid (CAS 1500530-79-9)
- 5-Methyl-1-(pyridin-3-ylmethyl)-1H-pyrazole-3-carboxylic acid (CAS 1517917-91-7)
Recommended Standards
- 2-((1-Methyl-1h-pyrazol-3-yl)amino)benzoic acid (CAS 1518243-22-5)
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- 2-Cyclobutylpyrazolo[1,5-a]pyrimidine-6-carboxylic acid (CAS 1517974-95-6)
- Ethyl 1-(pyridin-2-yl)-1H-pyrazole-3-carboxylate (CAS 154012-24-5)
- 4-(4-Fluorophenyl)-1-p-tolyl-1H-pyrazol-5-amine (CAS 1202029-58-0)
- Methyl 7-(methylthio)thiazolo[5,4-d]pyrimidine-2-carboxylate (CAS 333387-93-2)
- 5-(2-Chlorobenzoyl)-2-methyl-2H-1,2,3,4-tetrazole (CAS 1858599-02-6)
- 2-Chloro-5-(4-propylbenzoyl)pyridine (CAS 1187165-04-3)
- 2-Amino-N-(2-morpholinoethyl)acetamide (CAS 244789-23-9)
- 4-Chloro-N-(2-hydroxy-4-methylphenyl)-1-methyl-1h-pyrrole-2-carboxamide (CAS 1209428-68-1)
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- 4-{2-[(4-methoxyphenyl)methyl]-1,3-thiazole-4-carbonyl}morpholine (CAS 478030-35-2)
- 5-(4,4-Difluoropiperidin-3-yl)pyridin-2(1H)-one (CAS 2767114-89-4)
- Peptide WE-14 (CAS 115136-18-0)
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