3-(Ethoxycarbonyl)-1-(4-ethoxyphenyl)-4,5-dihydro-1h-pyrazole-5-carboxylic acid CAS 1264048-30-7
| CAS No. | 1264048-30-7 |
| Molecular Formula | C15H18N2O5 |
| Molecular Weight | 306.31 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO supplies 3-(Ethoxycarbonyl)-1-(4-ethoxyphenyl)-4,5-dihydro-1h-pyrazole-5-carboxylic acid (CAS 1264048-30-7), a certified reference material (molecular formula C15H18N2O5, MW 306.31 g/mol) for analytical method development and quality control.
Based on its molecular formula C15H18N2O5, 3-(Ethoxycarbonyl)-1-(4-ethoxyphenyl)-4,5-dihydro-1h-pyrazole-5-carboxylic acid contains a flavonoid core, an amide group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 306.31 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
As a certified reference material (CRM), 3-(Ethoxycarbonyl)-1-(4-ethoxyphenyl)-4,5-dihydro-1h-pyrazole-5-carboxylic 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 | C15H18N2O5 |
| Molecular Weight | 306.31 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.) | 1990 |
| Nitrogen Atoms | 2 |
Related Ethoxycarbonyl Standards
- 3-(Ethoxycarbonyl)-1-(2-methoxyphenyl)-5-methyl-4,5-dihydro-1h-pyrazole-5-carboxylic acid (CAS 1264043-35-7)
- 3-(Ethoxycarbonyl)-1-(3-methoxyphenyl)-5-methyl-4,5-dihydro-1h-pyrazole-5-carboxylic acid (CAS 1264044-23-6)
- 3-(Ethoxycarbonyl)-1-(4-methoxyphenyl)-5-methyl-4,5-dihydro-1h-pyrazole-5-carboxylic acid (CAS 1264049-13-9)
- Benzyl 3-((Ethoxycarbonyl)methyl)-3-aminopyrrolidine-1-carboxylate (CAS 1111202-74-4)
- Ethyl 2-(4-(ethoxycarbonyl)piperidin-1-yl)nicotinate (CAS 1185291-71-7)
- 4'-(Ethoxycarbonyl)-3,3'-difluoro-[1,1'-biphenyl]-2-carboxylic acid (CAS 1261955-65-0)
- Ethyl 1-(2-(Ethoxycarbonyl)Phenyl)Piperidine-4-Carboxylate (CAS 773137-80-7)
- 3-(Ethoxycarbonyl)-1-(3-nitrophenyl)-4,5-dihydro-1h-pyrazole-5-carboxylic acid (CAS 1264039-14-6)
Recommended Standards
- Methyl 3-(6,7-dimethoxy-4-methyl-3-oxo-3,4-dihydroquinoxalin-2-yl)propanoate (CAS 131426-28-3)
- Ethyl 4-hydroxy-1-(2-methoxyethyl)-7-methyl-2-oxo-1,2-dihydro-1,8-naphthyridine-3-carboxylate (CAS 1253791-96-6)
- 2-[3-(3-Methoxy-2,2-dimethyl-3-oxopropyl)-2-oxo-2,3-dihydro-1H-benzimidazol-1-yl]acetic acid (CAS 1353500-01-2)
- Ethyl 4-(4-Hydroxy-3-methoxyphenyl)-6-methyl-2-oxo-1,2,3,4-tetrahydropyrimidine-5-carboxylate (CAS 123629-42-5)
- 1-Allyl-5-(4-bromophenyl)-1H-imidazole-2-thiol (CAS 1105189-77-2)
- (3R)-3-(1,1-difluoroethyl)pyrrolidine;hydrochloride (CAS 2708341-81-3)
- 93261-39-3 KS-00002WWR napthalen-1-yl 3,5-dinitrobenzoate (CAS 93261-39-3)
- Methyl 2-(4-amino-1H-imidazol-1-yl)acetate (CAS 688041-31-8)
- 2-Np-Sca (CAS 16004-43-6)
- 4-(2-Nitrophenyl)-4-oxobut-2-enoic acid (CAS 90800-54-7)
- Diethyl (acetylamino)(3-bromobenzyl)malonate (CAS 15017-44-4)
- 4-(Difluoromethyl)-6-fluoro-5-nitropyridine-2-sulfonamide (CAS 1805522-40-0)
- [(Furan-2-yl)methyl](methyl)(prop-2-en-1-yl)amine (CAS 120153-60-8)
- Semaglutide impurity 94 (CAS CATO-C4X-222694)
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