4-(Pentyloxy)-2-(4-propylpiperazin-1-yl)quinazoline maleate CAS 129664-04-6
| CAS No. | 129664-04-6 |
| Molecular Formula | C20H30N4O |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-(Pentyloxy)-2-(4-propylpiperazin-1-yl)quinazoline maleate (CAS 129664-04-6) is a high-purity analytical reference standard with the molecular formula C20H30N4OC4H4O4 and a molecular weight of 458.56 g/mol.
Owing to a flavonoid core, an amide group, a hydroxyl group, an ether linkage, 4-(Pentyloxy)-2-(4-propylpiperazin-1-yl)quinazoline maleate is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 458.56 g/mol — guide the selection of appropriate sample preparation and analytical techniques. 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.
As a certified reference material (CRM), 4-(Pentyloxy)-2-(4-propylpiperazin-1-yl)quinazoline maleate 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.
Physical & Chemical Properties
| Molecular Formula | C20H30N4O C4H4O4 |
| Molecular Weight | 458.56 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°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) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1994 |
| Nitrogen Atoms | 4 |
Related Pentyloxy Standards
- (3-(Pentyloxy)phenyl)methanol (CAS 1021096-28-5)
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