3-[4-(4-Methoxyphenyl)piperazine-1-carbonyl]-5-methyl-5H,5aH,6H,7H,8H,9H,11H-pyrido[2,1-b]quinazolin-11-one CAS 1574560-79-4
| CAS No. | 1574560-79-4 |
| Molecular Formula | C25H30N4O3 |
| Molecular Weight | 434.53 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
3-[4-(4-Methoxyphenyl)piperazine-1-carbonyl]-5-methyl-5H,5aH,6H,7H,8H,9H,11H-pyrido[2,1-b]quinazolin-11-one (CAS 1574560-79-4), molecular formula C25H30N4O3 and molecular weight 434.53 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C25H30N4O3, 3-[4-(4-Methoxyphenyl)piperazine-1-carbonyl]-5-methyl-5H,5aH,6H,7H,8H,9H,11H-pyrido[2,1-b]quinazolin-11-one contains a steroid core, an amide group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 434.53 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO manufactures 3-[4-(4-Methoxyphenyl)piperazine-1-carbonyl]-5-methyl-5H,5aH,6H,7H,8H,9H,11H-pyrido[2,1-b]quinazolin-11-one 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 | C25H30N4O3 |
| Molecular Weight | 434.53 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) | 13.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1993 |
| Nitrogen Atoms | 4 |
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Recommended Standards
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- tert-Butyl 2-((2,3-dihydro-1H-inden-2-yl)amino)-7,8-dihydropyrido[4,3-d]pyrimidine-6(5H)-carboxylate (CAS 1619971-56-0)
- Peptide T (CAS 106362-32-7)
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