6-Ethyl-4-hydroxy-2h-pyrano[3,2-c]quinoline-2,5(6h)-dione CAS 161185-28-0
| CAS No. | 161185-28-0 |
| Molecular Formula | C14H11NO4 |
| Molecular Weight | 257.24 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
6-Ethyl-4-hydroxy-2h-pyrano[3,2-c]quinoline-2,5(6h)-dione (CAS 161185-28-0), molecular formula C14H11NO4 and molecular weight 257.24 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C14H11NO4, 6-Ethyl-4-hydroxy-2h-pyrano[3,2-c]quinoline-2,5(6h)-dione contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 257.24 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 6-Ethyl-4-hydroxy-2h-pyrano[3,2-c]quinoline-2,5(6h)-dione 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 | C14H11NO4 |
| Molecular Weight | 257.24 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| 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.) | 2003 |
| Nitrogen Atoms | 1 |
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Recommended Standards
- 2-Amino-1-((2R,3R,4S,5R)-3,4-dihydroxy-5-(hydroxymethyl)tetrahydrofuran-2-yl)-5-methylpyrimidin-4(1H)-one (CAS 159639-80-2)
- 6-(4-Carboxy-3-methylphenyl)nicotinic acid (CAS 1629059-40-0)
- 1-(4-Nitrophenyl)-6,7-dihydro-1H-indazol-4(5H)-one (CAS 15881-70-6)
- 6-(4-Carboxy-2-methylphenyl)nicotinic acid (CAS 1629059-44-4)
- 3-(4-Chlorophenyl)-4-cyclopropyl-1H-1,2,4-triazol-5(4H)-one (CAS 959137-49-6)
- tert-Butyl (2S)-2-(aminomethyl)-4,4-difluoropyrrolidine-1-carboxylate (CAS 1363384-67-1)
- 4-Formylphenyl 4-formylbenzoate (CAS 219595-78-5)
- (9H-fluoren-9-yl)methyl (R)-(2-(hydroxymethyl)-4-methylpentyl)carbamate (CAS 1265895-07-5)
- Pemafibrate Impurity 78 (CAS CATO-C4X-290378)
- [(4-Bromophenyl)methyl](propan-2-yl)amine hydrochloride (CAS 99177-33-0)
- 2-Chloro-4-methoxy-3-methylpyridine (CAS 172152-57-7)
- 1-[2-Nitro-4-(trifluoromethyl)phenyl]-4-phenylpiperazine (CAS 325702-84-9)
- 3-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)-5-(trifluoromethyl)benzonitrile (CAS 479411-95-5)
- Semaglutide impurity 74 (CAS CATO-C4X-222674)
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