3-Methyl-4,4-dimorpholino-1-phenyl-1H-pyrazol-5(4H)-one CAS 18630-79-0
| CAS No. | 18630-79-0 |
| Molecular Formula | C18H24N4O3 |
| Molecular Weight | 344.41 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
3-Methyl-4,4-dimorpholino-1-phenyl-1H-pyrazol-5(4H)-one (CAS 18630-79-0), molecular formula C18H24N4O3 and molecular weight 344.41 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 3-Methyl-4,4-dimorpholino-1-phenyl-1H-pyrazol-5(4H)-one (C18H24N4O3) contains a steroid core, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 9.0, corresponding to approximately 9 ring(s) or double-bond equivalent(s). With a molecular weight of 344.41 g/mol, it falls into the moderately-high-molecular-weight range. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
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.
CATO manufactures 3-Methyl-4,4-dimorpholino-1-phenyl-1H-pyrazol-5(4H)-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 | C18H24N4O3 |
| Molecular Weight | 344.41 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.) | 1962 |
| Nitrogen Atoms | 4 |
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Recommended Standards
- tert-butyl 3-(1-benzyl-1H-1,2,4-triazol-5-yl)morpholine-4-carboxylate (CAS 1803602-15-4)
- N1-Benzyl-N2-(5-methyl-2-biphenylyl)oxalamide (CAS 1909333-82-9)
- 3-Benzyl-4-hydroxy-1-[2-(1H-indol-3-yl)ethyl]-2(1H)-pyridinone (CAS 1797376-58-9)
- (2R,3R,4S,5R)-2-[12-(dimethylamino)-3-oxa-7,9,11-triazatricyclo[6.4.0.0²,⁶]dodeca-1(12),2(6),4,8,10-pentaen-7-yl]-5-(hydroxymethyl)oxolane-3,4-diol (CAS 2180983-43-9)
- (2E)-1-(2-Methoxyphenyl)-3-(3-methylthiophen-2-yl)prop-2-en-1-one (CAS 1354942-44-1)
- Cyanide Standard (CAS 57-12-5)
- 1-Heptyl-1h-imidazol-2-amine (CAS 1179291-45-2)
- 2-(4-Methoxyphenyl)-6-methyl-2,3-dihydro-1H-imidazo[1,2-b]pyrazole-7-carboxylic acid (CAS 1707378-79-7)
- 1-Phenylpyrrolidine-2-carbonitrile (CAS 893086-81-2)
- 6-(Difluoromethyl)-2-methoxy-5-(trifluoromethyl)nicotinaldehyde (CAS 1806956-57-9)
- 1,2-Bis(3,5-dimethylphenyl)ethane (CAS 63376-64-7)
- 1-(4-Methoxyphenyl)-1H-pyrrole (CAS 5145-71-1)
- 1-(1-Morpholino-1-(thiophen-2-yl)propan-2-yl)-3-(o-tolyl)thiourea (CAS 863017-47-4)
- Tirzepatide Impurity 44 (CAS CATO-C4X-324044)
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