4-(4-(1-(3-Methoxyphenyl)-1H-pyrazol-4-yl)pyrimidin-2-yl)-1-methylpiperazin-2-one CAS 1227699-63-9
| CAS No. | 1227699-63-9 |
| Molecular Formula | C19H20N6O2 |
| Molecular Weight | 364.40 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
4-(4-(1-(3-Methoxyphenyl)-1H-pyrazol-4-yl)pyrimidin-2-yl)-1-methylpiperazin-2-one (CAS 1227699-63-9) is a high-purity analytical reference standard with the molecular formula C19H20N6O2 and a molecular weight of 364.40 g/mol.
Structurally, 4-(4-(1-(3-Methoxyphenyl)-1H-pyrazol-4-yl)pyrimidin-2-yl)-1-methylpiperazin-2-one (C19H20N6O2) contains a steroid core, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 13.0, corresponding to approximately 13 ring(s) or double-bond equivalent(s). With a molecular weight of 364.40 g/mol, it falls into the moderately-high-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.
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.
Physical & Chemical Properties
| Molecular Formula | C19H20N6O2 |
| Molecular Weight | 364.40 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) | 13.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1990 |
| Nitrogen Atoms | 6 |
Related Methoxyphenyl Standards
- 2-(4-(2-Methoxyphenyl)piperazin-1-yl)-4-oxo-4H-pyrido[1,2-a]pyrimidine-3-carbaldehyde (CAS 433317-07-8)
- 4-(4-Methoxyphenyl)-3-methyl-6-oxo-1-(1,4,5,6-tetrahydropyrimidin-2-yl)-4,5,6,7-tetrahydro-1H-pyrazolo[3,4-b]pyridine-5-carbonitrile (CAS 478043-74-2)
- N-[(2-Methoxyphenyl)methyl]-N-[3-(methylamino)-1,4-dioxo-1,4-dihydronaphthalen-2-yl]acetamide (CAS 1397200-46-2)
- N-(1-((4-methoxyphenyl)amino)-2-oxo-2-(p-tolyl)ethyl)furan-2-carboxamide (CAS 425645-37-0)
- N-(4-Methoxyphenyl)-1-[(4-methoxyphenyl)methyl]-2-oxo-1,2-dihydropyridine-3-carboxamide (CAS 400077-72-7)
- 4-[(1E)-3-(4-Methoxyphenyl)-3-oxoprop-1-en-1-yl]phenyl thiophene-2-carboxylate (CAS 331460-47-0)
- 3-(4-Methoxyphenyl)-5-(5-((phenylthio)methyl)furan-2-yl)-1,2,4-oxadiazole (CAS 1040671-86-0)
- N-[(4-Methoxyphenyl)methyl]-4-nitro-N-(propan-2-yl)benzene-1-sulfonamide (CAS 1881332-53-1)
Recommended Standards
- 1-(3-(3-(P-tolyl)-1,2,4-oxadiazol-5-yl)pyridin-2-yl)piperidine-4-carboxylic acid (CAS 1223883-26-8)
- Tert-butyl 4-(3-(4-nitrophenyl)ureido)piperidine-1-carboxylate (CAS 1233951-89-7)
- Tert-butyl 4-(3-(2-nitrophenyl)ureido)piperidine-1-carboxylate (CAS 1197888-17-7)
- tert-Butyl 4-[3-(3-nitrophenyl)ureido]piperidine-1-carboxylate (CAS 1233958-27-4)
- 1-(3-Methoxy-4-nitrophenyl)piperidin-3-ol (CAS 1275398-59-8)
- 4-[(2,2,2-Trifluoroethyl)sulfanyl]benzoyl chloride (CAS 1706430-00-3)
- 5-Bromo-2-(difluoromethoxy)nicotinaldehyde (CAS 2231674-75-0)
- 4-(Cyclopropylmethoxy)pyrimidine (CAS 1245644-83-0)
- 3-Amino-4-(p-tolyl)-6-(trifluoromethyl)thieno[2,3-b]pyridine-2-carboxamide (CAS 832737-65-2)
- 4-Fluoro-3-hydroxy-n-methylbenzamide (CAS 1243311-31-0)
- 7-Bromo-2-(4-bromophenyl)-1H-indole (CAS 66639-64-3)
- 3-Formyl-6-methoxy-1-(2-methylbenzyl)-1H-indole-2-carboxylic acid (CAS 1242889-04-8)
- 4-Amino-1H-indazole-3-carbaldehyde (CAS 1289176-24-4)
- Tirzepatide Impurity 1 (CAS 2460751-66-8)
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