4-(2-Aminoethyl)-5-phenyl-1H-pyrazol-3(2H)-one oxalate CAS 1177306-41-0
| CAS No. | 1177306-41-0 |
| Molecular Formula | C11H13N3O |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The molecular framework of 4-(2-Aminoethyl)-5-phenyl-1H-pyrazol-3(2H)-one oxalate (C11H13N3OC2H2O4) is characterized by a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage. In reversed-phase chromatography, its retention is governed primarily by the protonation state of its nitrogen-containing groups, which provides a practical basis for HPLC-UV/DAD or LC-MS method development. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
4-(2-Aminoethyl)-5-phenyl-1H-pyrazol-3(2H)-one oxalate (CAS 1177306-41-0), molecular formula C11H13N3OC2H2O4 and molecular weight 293.28 g/mol, is a CATO reference standard with documented purity and traceability.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO manufactures 4-(2-Aminoethyl)-5-phenyl-1H-pyrazol-3(2H)-one oxalate 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 | C11H13N3O C2H2O4 |
| Molecular Weight | 293.28 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.) | 1989 |
| Nitrogen Atoms | 3 |
Related Aminoethyl Standards
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- 2-(2-Aminoethyl)-4-fluoro-N,N-dimethylaniline (CAS 1000551-95-0)
- 2-(2-Aminoethyl)-6-bromo-4-chlorophenol (CAS 1000575-19-8)
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- 4-[(2-aminoethyl)sulfamoyl]-1-methyl-1h-pyrrole-2-carboxamide (CAS 1000932-88-6)
- n-(2-Aminoethyl)-4,5-dibromo-1-methyl-1h-pyrrole-2-carboxamide (CAS 1000933-11-8)
Recommended Standards
- Tributyl(octyl)phosphonium chloride (CAS 56315-19-6)
- Methyl 4-chloro-2-(trifluoromethyl)thieno[3,4-b]pyridine-7-carboxylate (CAS 175203-40-4)
- 3′,5′-Bis(trifluoromethyl)[1,1′-biphenyl]-4-amine (CAS 444143-45-7)
- methyl (2E)-3-(5-bromofuran-2-yl)prop-2-enoate (CAS 62157-66-8)
- 6-methoxy-4-(2-thiazol-2-ylethynyl)isoindolin-1-one (CAS 2621068-62-8)
- 3-Methoxyphthalaldehyde (CAS 180461-61-4)
- Ethyl 2-(4-chloro-3-fluorophenoxy)acetate (CAS 1096703-33-1)
- 3-Bromo-2-(4-methoxyphenyl)imidazo[1,2-a]pyridine (CAS 138023-17-3)
- Tritosulfuron-free amine (CAS 5311-05-7)
- Semaglutide impurity 257 (CAS CATO-C4X-2226257)
Why CATO?
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