4-(4-Methoxyphenyl)-2-methyl-5-[(Z)-2-phenyldiazen-1-yl]pyrimidine CAS 338414-45-2
| CAS No. | 338414-45-2 |
| Molecular Formula | C18H16N4O |
| Molecular Weight | 304.35 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
4-(4-Methoxyphenyl)-2-methyl-5-[(Z)-2-phenyldiazen-1-yl]pyrimidine (CAS 338414-45-2) is a high-purity analytical reference standard with the molecular formula C18H16N4O and a molecular weight of 304.35 g/mol.
The molecular framework of 4-(4-Methoxyphenyl)-2-methyl-5-[(Z)-2-phenyldiazen-1-yl]pyrimidine (C18H16N4O) is characterized by a steroid core, 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. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
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.
Physical & Chemical Properties
| Molecular Formula | C18H16N4O |
| Molecular Weight | 304.35 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 13.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 4 |
Related Methoxyphenyl Standards
- 5-[(Z)-2-(4-Methoxyphenyl)diazen-1-yl]-2-methyl-4-phenylpyrimidine (CAS 338962-03-1)
- 2-((3-Methoxyphenyl)sulfonyl)-4-methyl-6,7-dihydro-5H-cyclopenta[d]pyrimidine (CAS 339019-63-5)
- Ethyl 2-((4-(4-methoxyphenyl)pyrimidin-2-yl)thio)acetate (CAS 476211-52-6)
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Recommended Standards
- 3,9-Dimethyl-7-pentyl-1,4-dihydro-[1,2,4]triazino[3,4-f]purine-6,8(7H,9H)-dione (CAS 922454-40-8)
- 2-Amino-4-((2-methoxybenzyl)amino)quinoline-3-carbonitrile (CAS 477707-97-4)
- 7-(4-Aminobenzyl)-7H-pyrrolo[3,2-f]quinazoline-1,3-diamine (CAS 750522-61-3)
- 2-Amino-1-(thiophen-2-ylsulfonyl)-1H-benzo[d]imidazole-5-carbonitrile (CAS 89342-50-7)
- 6-Amino-3-bromo-2-fluorobenzonitrile (CAS 845866-92-4)
- (4-(Pyridin-3-yl)thiophen-2-yl)methanamine (CAS 1342530-27-1)
- 4-[4-(chloromethyl)benzoyl]morpholine (CAS 896871-84-4)
- 2-(2-Chloroethyl)-4-methylthiazole (CAS 15357-20-7)
- Tert-butyl 4-[(2-chloropyrimidin-4-yl)(methyl)amino]piperidine-1-carboxylate (CAS 1261233-58-2)
- 7-Fluoro-3-oxo-2-(2-(pyridin-2-yl)ethyl)-N-(4-(trifluoromethoxy)benzyl)isoindoline-1-carboxamide (CAS 1198117-23-5)
- 1-(3-Fluoro-4-methoxyphenyl)-2-methylpropan-1-one (CAS 879339-67-0)
- (E)-[(5-{[(4-tert-butylphenyl)methyl]sulfanyl}-1-methyl-3-(trifluoromethyl)-1H-pyrazol-4-yl)methylidene]amino 2,4-dichlorobenzoate (CAS 318239-34-8)
- 7-(Hydroxymethyl)-3-(trifluoromethyl)quinoxalin-2(1H)-one (CAS 2589532-89-6)
- Peptide 6A (H-6905.0005) (CAS 73549-32-3)
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