4-(1-Hydroxyethyl)pyrazolidin-3-one CAS 124667-24-9
| CAS No. | 124667-24-9 |
| Molecular Formula | C5H10N2O2 |
| Molecular Weight | 130.15 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 130.15 g/mol gives 4-(1-Hydroxyethyl)pyrazolidin-3-one distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
4-(1-Hydroxyethyl)pyrazolidin-3-one (CAS 124667-24-9) is a high-purity analytical reference standard with the molecular formula C5H10N2O2 and a molecular weight of 130.15 g/mol.
Structurally, 4-(1-Hydroxyethyl)pyrazolidin-3-one (C5H10N2O2) contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 2.0, corresponding to approximately 2 ring(s) or double-bond equivalent(s). With a molecular weight of 130.15 g/mol, it falls into the low-molecular-weight range. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), 4-(1-Hydroxyethyl)pyrazolidin-3-one 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 | C5H10N2O2 |
| Molecular Weight | 130.15 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 2.0 |
| CAS Registry Year (est.) | 1992 |
| Nitrogen Atoms | 2 |
Related Hydroxyethyl Standards
- 1-(1-Hydroxyethyl)imidazolidin-2-one (CAS 109674-15-9)
- 5-(1-Hydroxyethyl)pyrazolidin-3-one (CAS 149703-98-0)
- 4-(2-Hydroxyethyl)imidazolidin-2-one (CAS 161663-36-1)
- 5-(2-Hydroxyethyl)pyrazolidin-3-one (CAS 183282-56-6)
- 1-(2-Hydroxyethyl)cyclopropanecarboxylic Acid (CAS 1520462-70-7)
- 3-(2-hydroxyethyl)oxolan-2-one (CAS 78344-32-8)
- 2-Hydroxyethyl Methacrylate (CAS 868-77-9)
- 1-(2-Hydroxyethyl)cyclopentan-1-ol (CAS 73089-93-7)
Recommended Standards
- 5-Methoxypyridazin-3(2H)-one (CAS 123696-01-5)
- N-hydroxytetrahydrofuran-3-carboxamidine (CAS 1251417-85-2)
- 4-Fluoroanisole-2,3,5,6-d4 (CAS 1219802-94-4)
- (R)-Morpholine-3-carboxamide (CAS 1257301-93-1)
- (1R,2R)-1,2-Dicyclohexylethane-1,2-diol (CAS 120850-92-2)
- (thiophen-3-ylmethyl)hydrazine hydrochloride (CAS 1427454-16-7)
- 2764-72-9 A9A615U4MP Diquat Diquat [ANSI:BSI:ISO] 6,7-Dihydrodipyrido(1,2-a:2',1'-c)pyrazinediylium Dipyrido(1,2-a:2',1'-c)pyrazinediium, 6,7-dihydro- 9,10-Dihydro-8a,10a-diazoniaphenanthrene 9,10-Dihydro-8a,10a-diazoniaphenanthrene ion 6,7-Dihydrodipyrido(1,2-a:2',1'-c)pyrazinediium 6,7-Dihydrodipyrido(1,2-a:2',1'-c)pyrazine-5,8-di-ium Dipyrido(1,2-a:2',1'-c)pyrazinediium, 6,7-dihydro- (8CI)(9CI) Diquat dication EINECS 220-433-0 1,1'-Ethylene-2,2'-bipyridyldylium ion 1,1'-Ethylene-2,2'-bipyridylium ion UNII-A9A615U4MP (CAS 2764-72-9)
- 3-Cyclopentyl-N-methylpropan-1-amine (CAS 1024127-49-8)
- 4-Fluoro-1,2-dinitrobenzene (CAS 364-53-4)
- 4-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole-1-ethanol (CAS 1040377-08-9)
- 1-(5-Bromo-3-fluoropyridin-2-yl)-2,2,2-trifluoroethan-1-one (CAS 2231673-60-0)
- 2-[({5,6-dimethyl-4-oxo-3h,4h-thieno[2,3-d]pyrimidin-2-yl}methyl)sulfanyl]propanoic acid (CAS 743440-25-7)
- 4-(4-(4-Aminobenzoyl)piperazin-1-yl)benzonitrile (CAS 885949-73-5)
- Acetyl Tetrapeptide- 15 (CAS 928007-64-1)
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