2-(4-Ethoxy-1H-pyrazol-1-yl)-2-methylpropanoic acid CAS 2270911-24-3
| CAS No. | 2270911-24-3 |
| Molecular Formula | C9H14N2O3 |
| Molecular Weight | 198.22 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, 2-(4-Ethoxy-1H-pyrazol-1-yl)-2-methylpropanoic acid is typically off-white to pale yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 198.22 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).
2-(4-Ethoxy-1H-pyrazol-1-yl)-2-methylpropanoic acid (CAS 2270911-24-3), molecular formula C9H14N2O3 and molecular weight 198.22 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.
As a certified reference material (CRM), 2-(4-Ethoxy-1H-pyrazol-1-yl)-2-methylpropanoic 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 | C9H14N2O3 |
| Molecular Weight | 198.22 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (faint amine-like odor) |
| 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) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1998 |
| Nitrogen Atoms | 2 |
Related Ethoxy Standards
- Ethyl 2-ethoxy-1,4-dihydropyrimidine-5-carboxylate (CAS 925702-93-8)
- 2-(5-Ethoxy-2-fluorophenyl)propan-2-ol (CAS 2586127-02-6)
- Methyl 4-ethoxy-2-fluorobenzoate (CAS 1314987-36-4)
- Methyl 3-ethoxy-4-fluorobenzoate (CAS 1379078-72-4)
- 3-Ethoxy-5-fluoro-4-methylbenzoic acid (CAS 1429902-37-3)
- Methyl 3-ethoxy-2-fluorobenzoate (CAS 1820604-99-6)
- 2-Ethoxy-3-fluoro-4-methylbenzoic acid (CAS 2383889-03-8)
- 3-Ethoxy-4-fluoro-5-methylbenzoic acid (CAS 2383799-38-8)
Recommended Standards
- 2-(4-(Pyrimidin-2-yl)phenyl)acetaldehyde (CAS 545423-76-5)
- 2-(4-Ethoxybenzylidene)malononitrile (CAS 2826-27-9)
- 2-(4-(Methoxycarbonyl)bicyclo[2.1.1]Hexan-1-yl)acetic acid (CAS 2109049-42-3)
- 2-(4-Formylphenyl)phenol (CAS 400744-38-9)
- 4-Methyl-5-(3-(trifluoromethyl)benzoyl)-1,3,4,5-tetrahydro-2H-benzo[b][1,4]diazepin-2-one (CAS 866156-61-8)
- (3,4-Dichloro-2-methyl-2H-indazol-5-yl)boronic acid (CAS 2375919-47-2)
- [1-(Difluoromethyl)cyclobutyl]methanesulfonyl chloride (CAS 1784574-90-8)
- [2,2'-Binaphthalen]-7-yl trifluoromethanesulfonate (CAS 1374337-37-7)
- 3'-Chloro-2,3,5,6-tetrahydro-[1,2']bipyrazinyl-4-carboxylic acid tert-butyl ester (CAS 313654-83-0)
- 4-(Aminomethyl)-4-methyloxazolidin-2-one (CAS 1673553-61-1)
- 5-Chloro-N,N-dimethyl-1H-1,2,4-triazole-3-carboxamide (CAS 1228553-10-3)
- (5-(Pyrazin-2-yl)-1H-imidazol-2-yl)methanamine (CAS 1339078-26-0)
- 4-(Butylthio)benzoic acid (CAS 22683-49-4)
- Semaglutide Impurity 11 (CAS CATO-C4X-222611)
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