4-[4-(2-hydroxyethyl)-3-(methoxycarbonyl)-5-oxo-2,5-dihydro-1h-pyrazol-1-yl]benzoic acid CAS 1221725-91-2
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1221725-91-2 |
| Molecular Formula | C14H14N2O6 |
| Molecular Weight | 306.27 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-[4-(2-hydroxyethyl)-3-(methoxycarbonyl)-5-oxo-2,5-dihydro-1h-pyrazol-1-yl]benzoic acid (CAS 1221725-91-2) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C14H14N2O6. Molecular weight: 306.27 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C14H14N2O6 |
| Molecular Weight | 306.27 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) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1990 |
| Nitrogen Atoms | 2 |
Related hydroxyethyl Standards
- 3-[4-(2-hydroxyethyl)-3-(methoxycarbonyl)-5-oxo-4,5-dihydro-1H-pyrazol-1-yl]benzoic acid (CAS 1221723-94-9)
- Benzyl (2-((2-hydroxyethyl)amino)cyclohexyl)(methyl)carbamate (CAS 1353943-75-5)
- Benzyl 3-(((2-hydroxyethyl)(methyl)amino)methyl)piperidine-1-carboxylate (CAS 1353953-07-7)
- Benzyl 2-(((2-hydroxyethyl)(methyl)amino)methyl)piperidine-1-carboxylate (CAS 1353960-76-5)
- Benzyl (2-((2-hydroxyethyl)(methyl)amino)cyclohexyl)carbamate (CAS 1353960-81-2)
- Benzyl ((1-(2-hydroxyethyl)piperidin-3-yl)methyl)(methyl)carbamate (CAS 1353961-33-7)
- Benzyl 4-(((2-hydroxyethyl)(methyl)amino)methyl)piperidine-1-carboxylate (CAS 1353962-33-0)
- Benzyl ((1-(2-hydroxyethyl)piperidin-4-yl)methyl)(methyl)carbamate (CAS 1353964-67-6)
Recommended Standards
- 3-[2-(Methoxycarbonyl)-4-nitrophenyl]-3-azabicyclo[3.1.0]hexane-2-carboxylic acid (CAS 1236260-10-8)
- 2-(1H-indol-5-yl)-1,3-dioxoisoindoline-5-carboxylic acid (CAS 1219553-80-6)
- 3-(2-Phenyloxazol-4-yl)benzo[d]isoxazole-5-carboxylic acid (CAS 1422062-93-8)
- 6-Amino-4-(6-bromobenzo[d][1,3]dioxol-5-yl)-3-methyl-1,4-dihydropyrano[2,3-c]pyrazole-5-carbonitrile (CAS 332177-32-9)
- 2-Chloro-3-(3,5-dimethylphenyl)-4-fluoropropiophenone (CAS 898780-92-2)
- 1-(2-(2-Chloro-6-fluorophenyl)cyclopropyl)ethan-1-amine (CAS 1218645-22-7)
- Methyl 6-(benzyloxy)-2-fluoro-3-methylbenzoate (CAS 2484888-74-4)
- N-(1-((Tetrahydro-2H-pyran-4-yl)methyl)-1H-pyrazol-4-yl)propane-1-sulfonamide (CAS 1706275-82-2)
- 2-(2,3-Dichloro-5-(methoxymethoxy)phenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (CAS 2923669-97-8)
- Semaglutide Impurity 190 (CAS CATO-C4X-2226190)
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