N4-(3-aminophenyl)-5-fluoro-N2-(4-(2-methoxyethoxy)phenyl)pyrimidine-2,4-diamine CAS 1202759-91-8
| CAS No. | 1202759-91-8 |
| Molecular Formula | C19H20FN5O2 |
| Molecular Weight | 369.39 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), N4-(3-aminophenyl)-5-fluoro-N2-(4-(2-methoxyethoxy)phenyl)pyrimidine-2,4-diamine meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
N4-(3-aminophenyl)-5-fluoro-N2-(4-(2-methoxyethoxy)phenyl)pyrimidine-2,4-diamine (CAS 1202759-91-8), molecular formula C19H20FN5O2 and molecular weight 369.39 g/mol, is a CATO reference standard with documented purity and traceability.
Owing to a steroid core, an amide group, a hydroxyl group, an ether linkage, fluorine substitution, N4-(3-aminophenyl)-5-fluoro-N2-(4-(2-methoxyethoxy)phenyl)pyrimidine-2,4-diamine is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 369.39 g/mol — guide the selection of appropriate sample preparation and analytical techniques. 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.
Physical & Chemical Properties
| Molecular Formula | C19H20FN5O2 |
| Molecular Weight | 369.39 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) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1990 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 5 |
Related N Standards
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Recommended Standards
- Methyl 4-((5-(phenylcarbamoyl)-1,3,4-thiadiazol-2-yl)methoxy)benzoate (CAS 1142210-42-1)
- 1306753-61-6 Methyl 4-[(E)-2-(dimethylamino)vinyl]-7-ethyl-8-(4-fluorophenyl)pyrazolo[5,1-c][1,2,4]triazine-3-carboxylate MFCD19103593 (CAS 1306753-61-6)
- 4-(5-(3-Methoxybenzyl)-1,3,4-thiadiazole-2-carboxamido)benzoic acid (CAS 1142209-78-6)
- (2,3-Dihydrobenzo[b][1,4]dioxin-2-yl)(3-(3-(thiophen-2-yl)-1,2,4-oxadiazol-5-yl)azetidin-1-yl)methanone (CAS 1323792-06-8)
- Trenimon (CAS 68-76-8)
- n-Benzyl-1-methyl-4-nitro-1h-pyrazole-5-carboxamide (CAS 300388-15-2)
- tert-Butyl 4-(6-chloro-2-(methylthio)pyrimidin-4-yl)-2-methylpiperazine-1-carboxylate (CAS 1261232-31-8)
- 2-(1-Methyl-1H-1,2,4-triazol-5-yl)acetonitrile dihydrochloride (CAS 2138419-85-7)
- Tert-butyl (2-amino-1-(1-methyl-1h-imidazol-5-yl)ethyl)carbamate (CAS 1496921-55-1)
- (2r)-1-(2-Methoxyphenyl)propan-2-ol (CAS 415679-38-8)
- 5-Bromo-6-fluoro-1,3-dimethyl-1H-indazole (CAS 929885-09-6)
- 3-Methyl-6,7-dihydrobenzo[d]isoxazol-4-ol (CAS 383377-52-4)
- (3,4-Dichlorophenyl)(isoquinolin-4-yl)methanone (CAS 1187171-74-9)
- Semaglutide impurity 29 (CAS CATO-C4X-222629)
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