4-((4-Chloronaphthalen-1-yl)oxy)-5-methoxy-2-phenylpyrimidine CAS 478029-74-2
| CAS No. | 478029-74-2 |
| Molecular Formula | C21H15ClN2O2 |
| Molecular Weight | 362.81 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 362.81 g/mol gives 4-((4-Chloronaphthalen-1-yl)oxy)-5-methoxy-2-phenylpyrimidine distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
4-((4-Chloronaphthalen-1-yl)oxy)-5-methoxy-2-phenylpyrimidine (CAS 478029-74-2), molecular formula C21H15ClN2O2 and molecular weight 362.81 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C21H15ClN2O2, 4-((4-Chloronaphthalen-1-yl)oxy)-5-methoxy-2-phenylpyrimidine contains a steroid core, an amide group, a hydroxyl group, an ether linkage, chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 362.81 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
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 4-((4-Chloronaphthalen-1-yl)oxy)-5-methoxy-2-phenylpyrimidine 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 | C21H15ClN2O2 |
| Molecular Weight | 362.81 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| 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; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 15.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
Related Chloronaphthalen Standards
- 4-((4-Chloronaphthalen-1-yl)diazenyl)-1-hydroxy-2-methylisoquinolin-3(2H)-one (CAS 924862-22-6)
- 4-((4-Chloronaphthalen-1-yl)oxy)-5-methoxy-2-(pyridin-2-yl)pyrimidine (CAS 338410-61-0)
- 2-[(4-Chloronaphthalen-1-yl)oxy]-N-(3-cyanothiophen-2-yl)acetamide (CAS 338777-56-3)
- ((8-Chloronaphthalen-1-yl)sulfonyl)proline (CAS 1008934-47-1)
- 2-[(4-Chloronaphthalen-1-yl)oxy]-1-(4-methyl-2-phenyl-1,3-thiazol-5-yl)ethan-1-one (CAS 478047-43-7)
- 4-((4-Chloronaphthalen-1-yl)oxy)-5-methoxy-N,N-dimethylpyrimidin-2-amine (CAS 400085-43-0)
- (3-(2-((4-Chloronaphthalen-1-yl)oxy)ethyl)phenyl)boronic acid (CAS 1257648-77-3)
- N-((8-chloronaphthalen-1-yl)sulfonyl)-N-methylglycine (CAS 540512-13-8)
Recommended Standards
- 4-((2-Chloro-6-fluorobenzylidene)amino)-3-(2-methoxyphenyl)-1H-1,2,4-triazole-5(4H)-thione (CAS 478256-58-5)
- 5-Chloro-4-(naphthalen-2-yloxy)-2-(p-tolyl)pyridazin-3(2H)-one (CAS 478067-08-2)
- 2-(4-(Benzyloxy)phenyl)-5-(4-chlorophenyl)-1,3,4-oxadiazole (CAS 923029-38-3)
- 6-Amino-4-(3-chlorophenyl)-3-methyl-1-phenyl-1,4-dihydropyrano[2,3-c]pyrazole-5-carbonitrile (CAS 293329-86-9)
- 1-(4-Bromophenyl)-2,2-dimethylbutan-1-one (CAS 898765-37-2)
- 2-((3,4-Dimethylphenyl)amino)-2-oxoethyl 4-(1H-pyrazol-1-yl)benzoate (CAS 956964-02-6)
- 3,5-Dichloro-4-hydroxybenzohydrazide (CAS 23964-29-6)
- (5-(2-Methylpiperidin-1-yl)thiophen-2-yl)boronic acid (CAS 2225151-99-3)
- (5-Fluoro-2-methoxyphenyl)(1-methyl-1H-pyrrol-2-yl)methanol (CAS 1443311-89-4)
- 5-(4-Ethylpiperazin-1-yl)-1,3,4-thiadiazol-2-amine (CAS 902938-93-6)
- 2-Bromo-6-cyclohexylpyridine (CAS 1017781-62-2)
- N-(Prop-2-en-1-yl)-3-(tetramethyl-1,3,2-dioxaborolan-2-yl)benzamide (CAS 2251118-07-5)
- N-(3,4-Difluorophenyl)-2-((4-ethyl-5-(thiophen-2-yl)-4H-1,2,4-triazol-3-yl)thio)acetamide (CAS 565445-20-7)
- Semaglutide impurity 71 (CAS CATO-C4X-222671)
Why CATO?
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