4-(2-Hydroxyethyl)-4-methyl-1-phenylpyrazolidin-3-one CAS 71363-81-0
| CAS No. | 71363-81-0 |
| Molecular Formula | C12H16N2O2 |
| Molecular Weight | 220.27 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
4-(2-Hydroxyethyl)-4-methyl-1-phenylpyrazolidin-3-one (CAS 71363-81-0) is a high-purity analytical reference standard with the molecular formula C12H16N2O2 and a molecular weight of 220.27 g/mol.
Based on its molecular formula C12H16N2O2, 4-(2-Hydroxyethyl)-4-methyl-1-phenylpyrazolidin-3-one contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 220.27 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.
CATO manufactures 4-(2-Hydroxyethyl)-4-methyl-1-phenylpyrazolidin-3-one under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C12H16N2O2 |
| Molecular Weight | 220.27 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) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1977 |
| Nitrogen Atoms | 2 |
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Recommended Standards
- 4-((Benzylimino)methyl)benzonitrile (CAS 67907-57-7)
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- Letrozole Impurity 34 (CAS 2500927-63-7)
- 1,1,1-Trifluoroethyl-PEG4-amine (CAS 1872433-72-1)
- Ethanol-2-13C (CAS 14770-41-3)
- 32990-47-9 4-methyl-2-thiophenecarbonyl chloride 4-methylthiophene-2-carbonyl chloride A821550 (CAS 32990-47-9)
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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 18665070610 / Nicole.chen@cato-chem.com