3-(Ethoxycarbonyl)-1-(4-ethylphenyl)-5-methyl-4,5-dihydro-1h-pyrazole-5-carboxylic acid CAS 1264041-94-2
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1264041-94-2 |
| Molecular Formula | C16H20N2O4 |
| Molecular Weight | 304.34 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
3-(Ethoxycarbonyl)-1-(4-ethylphenyl)-5-methyl-4,5-dihydro-1h-pyrazole-5-carboxylic acid (CAS 1264041-94-2) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C16H20N2O4. Molecular weight: 304.34 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C16H20N2O4 |
| Molecular Weight | 304.34 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-[4-(propan-2-yl)phenyl]-4,5-dihydro-1h-pyrazole-5-carboxylic acid (CAS 1264042-48-9)
- 3-(Ethoxycarbonyl)-1-(2-ethylphenyl)-5-methyl-4,5-dihydro-1h-pyrazole-5-carboxylic acid (CAS 1264043-12-0)
- N-(Ethoxycarbonyl)-α-methyl-D-tryptophan Methyl Ester (CAS 170458-98-7)
- 4-({[3-(ethoxycarbonyl)-5-methylisoxazol-4-yl]methyl}amino)benzoic acid (CAS 938022-07-2)
- 5-(5-(Ethoxycarbonyl)-3-methyl-1H-pyrazol-1-yl)-2-methoxybenzoic acid (CAS 637318-31-1)
- (E)-3-(2-(Ethoxycarbonyl)-5-nitro-1H-indol-3-yl)acrylic acid (CAS 885273-59-6)
- 2-Ethoxycarbonyl-5-ethylphenylboronic acid pinacol ester (CAS 2121511-54-2)
- (4-(3-(Ethoxycarbonyl)piperidine-1-carbonyl)phenyl)boronic acid (CAS 1150114-74-1)
Recommended Standards
- 1-(3,4-Dimethylphenyl)-3-(ethoxycarbonyl)-5-methyl-4,5-dihydro-1h-pyrazole-5-carboxylic acid (CAS 1264041-64-6)
- 5-(4-Benzyloxyphenyl)-2-formylphenol (CAS 1261903-11-0)
- 1-(3,5-Dimethylphenyl)-3-(ethoxycarbonyl)-5-methyl-4,5-dihydro-1h-pyrazole-5-carboxylic acid (CAS 1264042-80-9)
- (1-(4-Amino-1,2,5-oxadiazol-3-yl)-5-methyl-1H-1,2,3-triazol-4-yl)(azepan-1-yl)methanone (CAS 312511-59-4)
- Methyl 2-(4-Chlorobenzyl)oxazole-4-carboxylate (CAS 2070896-60-3)
- Cefoperazone Impurity 66 (CAS CATO-C4X-114966)
- N-Cyclohexyl-2-((5-(3-cyclohexylureido)-1,3,4-thiadiazol-2-yl)thio)acetamide (CAS 898461-94-4)
- Bempedoic Acid Impurity 36 (CAS CATO-C4X-218936)
- 4-(2-Methyl-1h-benzo[d]imidazol-1-yl)aniline (CAS 869946-32-7)
- Semaglutide impurity 237 (CAS CATO-C4X-2226237)
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