1H-Pyrazole-4-carboxylic acid, 1,5-diphenyl-, ethyl ester 53561-07-2 CTK1G0668 CAS 53561-07-2
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 53561-07-2 |
| Molecular Formula | C18H32N2O2 |
| Molecular Weight | 308.46 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
1H-Pyrazole-4-carboxylic acid, 1,5-diphenyl-, ethyl ester 53561-07-2 CTK1G0668 (CAS 53561-07-2) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C18H32N2O2. Molecular weight: 308.46 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C18H32N2O2 |
| Molecular Weight | 308.46 g/mol |
| Appearance | Off-white to pale 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) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1972 |
| Nitrogen Atoms | 2 |
Related H Standards
- 1H-Pyrazole, 1-[[(4R)-2,2-dimethyl-1,3-dioxolan-4-yl]methyl]-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)- (CAS 1354702-16-1)
- 1H-Pyrazole, 1-[[(4S)-2,2-dimethyl-1,3-dioxolan-4-yl]methyl]-4-iodo- (CAS 1350324-19-4)
- 1H-Pyrazole, 1-(1-phenylpropyl)-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)- (CAS 1629171-81-8)
- 1H-Pyrazole, 1-[(5-fluoro-2-methylphenyl)methyl]-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)- (CAS 1604036-92-1)
- 2,2-(1H-Pyrazole-3,5-diyl)-bis(1H-benzo[d]imidazole) (CAS 223467-24-1)
- 1H-Pyrazole, 1-[(2-chlorophenyl)methyl]-4-iodo- (CAS 957265-68-8)
- 1H-Pyrazole, 1-[(4-chlorophenyl)methyl]-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)- (CAS 1430750-51-8)
- 1H-pyrazole-5-carboxylic acid, 3-phenyl-4-(2-phenyldiazenyl)-, ethyl ester (CAS 1224879-11-1)
Recommended Standards
- (S)-Benzyl 2-amino-3-(1H-indol-3-yl)propanoate 4299-69-8 (CAS 4299-69-8)
- Exemestane Impurity 27 (CAS 600178-04-9)
- 27176-93-8 Ethanol, 2-(2-(nonylphenoxy)ethoxy)- 2-(2-(Nonylphenoxy)ethoxy)ethanol EINECS 248-291-5 alpha-Nonylphenyl-omega-hydroxybis(oxyethylene) Diethylene glycol mono(nonylphenyl) ether Diethylene glycol nonylphenol ether PONPE-2 Nonylphenol mono(oxyethylene) ethanol (CAS 27176-93-8)
- 10-(3,5-Dimethoxyphenyl)-9-mesitylyl-1,3,6,8-tetramethoxyacridine-10-bromotetrafluoroborate (CAS 1965330-59-9)
- Harunganin (CAS 3736-60-5)
- 2-(Aminomethyl)-6-cyclopropoxybenzamide (CAS 1243411-21-3)
- 1-iodoethyl isopropyl carbonate (CAS 84089-73-6)
- Glycine hydroiodide (CAS 7490-96-2)
- 4-Amino-1-methylpyrazolidin-3-one (CAS 1309959-51-0)
- Des-Leu14-Tirzepatide (CAS CATO-CPTD788959)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 13829788188 / jacky.chen@cato-chem.com