Ethyl 1-cyclopropyl-6,7,8-trifluoro-5-nitro-4-oxo-1,4-dihydroquinoline-3-carboxylate CAS 103772-12-9
| CAS No. | 103772-12-9 |
| Molecular Formula | C15H11F3N2O5 |
| Molecular Weight | 356.25 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of Ethyl 1-cyclopropyl-6,7,8-trifluoro-5-nitro-4-oxo-1,4-dihydroquinoline-3-carboxylate is closely related to a flavonoid core, an amide group, a hydroxyl group, an ether linkage, fluorine substitution in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
Ethyl 1-cyclopropyl-6,7,8-trifluoro-5-nitro-4-oxo-1,4-dihydroquinoline-3-carboxylate (CAS 103772-12-9), molecular formula C15H11F3N2O5 and molecular weight 356.25 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C15H11F3N2O5, Ethyl 1-cyclopropyl-6,7,8-trifluoro-5-nitro-4-oxo-1,4-dihydroquinoline-3-carboxylate contains a flavonoid core, an amide group, a hydroxyl group, an ether linkage, fluorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 356.25 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.
As a certified reference material (CRM), Ethyl 1-cyclopropyl-6,7,8-trifluoro-5-nitro-4-oxo-1,4-dihydroquinoline-3-carboxylate 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 | C15H11F3N2O5 |
| Molecular Weight | 356.25 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, low volatility) |
| 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) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1986 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 2 |
Related Ethyl Standards
- 4-(5-Cyclopropyl-1,2,4-oxadiazol-3-yl)-3-iodobenzoic acid (CAS 1131622-48-4)
- N-[1-(3-Cyclopropyl-1,2,4-oxadiazol-5-yl)cyclohexyl]-2-(2-methoxyphenyl)acetamide (CAS 1396856-10-2)
- 6-Cyclopropyl-2-((2-(piperidin-1-yl)ethyl)thio)-4-(trifluoromethyl)nicotinonitrile (CAS 625377-25-5)
- Methyl 5-cyclopropyl-2-(4-fluorophenyl)-6-nitrobenzofuran-3-carboxylate (CAS 1331942-97-2)
- 1-Cyclopropyl-3-(3,4-dichlorophenyl)-1-(2-(thiophen-2-yl)ethyl)urea (CAS 1396806-68-0)
- N-cyclopropyl-2,5-bis(2,2,2-trifluoroethoxy)benzamide (CAS 477863-93-7)
- 1-Cyclopropyl-6,8-difluoro-7-(4-hydroxyphenyl)-4-oxo-1,4-dihydroquinoline-3-carboxylic acid (CAS 136440-70-5)
- Ethyl 7-cyclopropyl-3-iodo-1H-indole-2-carboxylate (CAS 2099017-80-6)
Recommended Standards
- (-)-Chebulic Acid (CAS 23725-05-5)
- N-Boc-2-[2-[2-(2-bromoethoxy)ethoxy]ethoxy]ethanamine (CAS 1076199-21-7)
- 7-Chloro-5-[(2-chloro-6-fluorophenyl)methyl]-2,3,4,5-tetrahydro-1,5-benzothiazepin-4-one (CAS 303987-49-7)
- tert-butyl (tran-1-(4-bromophenyl)-3-hydroxy-3-methylcyclobutyl)carbamate (CAS 1247898-38-9)
- Methyl 2-(4-(trifluoromethyl)piperidin-1-yl)propanoate (CAS 1491602-88-0)
- 2-chloro-N-[4-(3-methylphenoxy)phenyl]acetamide (CAS 69838-52-4)
- Fmoc-Val-Thr(Psi(Me,Me)pro)-OH (CAS 168216-05-5)
- 4,5-diethyl pyrimidine-4,5-dicarboxylate (CAS 36978-53-7)
- CAS 53007-09-3 (CAS 53007-09-3)
- 2-(Piperidin-1-yl)-N-(2,2,4-trimethyl-2,3-dihydro-1-benzofuran-7-yl)acetamide (CAS 866042-39-9)
- 2-Ethyl-3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenol (CAS 948592-58-3)
- Ethyl 4-isobutoxy-3-methylbenzofuran-2-carboxylate (CAS 1403566-72-2)
- 1-(4-Methoxy-2-methylphenyl)-3-{1-[3-(pyridin-4-yl)-1,2,4-oxadiazol-5-yl]cyclohexyl}urea (CAS 1396634-44-8)
- Liraglutide Impurity 22 (CAS 536721-25-2)
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