3-Amino-N-(2,5-difluorophenyl)-6-ethyl-5,6,7,8-tetrahydrothieno[2,3-b]quinoline-2-carboxamide CAS 445268-97-3
| CAS No. | 445268-97-3 |
| Molecular Formula | C20H19F2N3OS |
| Molecular Weight | 387.45 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C20H19F2N3OS, 3-Amino-N-(2,5-difluorophenyl)-6-ethyl-5,6,7,8-tetrahydrothieno[2,3-b]quinoline-2-carboxamide contains a steroid core, an amide group, sulfur-containing functionality, a hydroxyl group, an ether linkage, fluorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 387.45 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. 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).
3-Amino-N-(2,5-difluorophenyl)-6-ethyl-5,6,7,8-tetrahydrothieno[2,3-b]quinoline-2-carboxamide (CAS 445268-97-3), molecular formula C20H19F2N3OS and molecular weight 387.45 g/mol, is a CATO reference standard with documented purity and traceability.
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.
CATO manufactures 3-Amino-N-(2,5-difluorophenyl)-6-ethyl-5,6,7,8-tetrahydrothieno[2,3-b]quinoline-2-carboxamide 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 | C20H19F2N3OS |
| Molecular Weight | 387.45 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 1 |
Related Amino Standards
- 3-Amino-N-(2,4-difluorophenyl)-6-ethyl-5H,6H,7H,8H-thieno[2,3-b]quinoline-2-carboxamide (CAS 445269-11-4)
- 3-Amino-N-(3,4-difluorophenyl)-6-ethyl-5H,6H,7H,8H-thieno[2,3-b]quinoline-2-carboxamide (CAS 445269-03-4)
- 2-Amino-5-butyl-4-(3,4-dimethoxyphenyl)-6-phenylnicotinonitrile (CAS 331980-19-9)
- Ethyl (4-amino-1-benzhydryl-1H-[1,2,3]triazolo[4,5-c]pyridin-6-yl)carbamate (CAS 38359-69-2)
- Ethyl (7-amino-3-benzhydryl-3H-[1,2,3]triazolo[4,5-b]pyridin-5-yl)carbamate (CAS 38359-81-8)
- 1-Amino-4-((4-(tert-butyl)phenyl)thio)anthracene-9,10-dione (CAS 90571-15-6)
- 3-Amino-N-(4-benzylphenyl)-5-nitro-1H-indazole-1-carboxamide (CAS 1263320-06-4)
- (S)-2-Amino-5-(((R)-1-((carboxymethyl)amino)-1-oxo-3-(sulfothio)propan-2-yl)amino)-5-oxopentanoic acid (CAS 1637-70-3)
Recommended Standards
- 2-((4-Nitrobenzyl)thio)-4,5-diphenyl-1H-imidazole (CAS 328281-63-6)
- 4-(4-Ethoxyphenyl)-5-(3,4,5-trimethoxyphenyl)-4h-1,2,4-triazole-3-thiol (CAS 694464-07-8)
- 2-((4-Morpholinophenyl)amino)-2-oxoethyl 2-(methylthio)nicotinate (CAS 474298-84-5)
- 6-Fluoro-N-(naphthalen-1-ylmethyl)-7-(piperazin-1-yl)quinazolin-4-amine (CAS 625080-71-9)
- Sodium (E)-8-amino-2-((4-nitro-2-oxidophenyl)diazenyl)-3,6-disulfonaphthalen-1-olate (CAS 3564-28-1)
- 4',4''',4''''',4'''''''-Methanetetrayltetrakis(3,5-diisopropyl-[1,1'-biphenyl]-4-amine) (CAS 1809802-57-0)
- 5-(Propane-1-sulfonyl)-pentylamine (CAS 1344000-23-2)
- tert-Butyl 1-oxo-2,7-diazaspiro[4.5]decane-7-carboxylate (CAS 923009-50-1)
- Brexpiprazole Impurity 26 (CAS 2094559-58-5)
- 5-Hydroxy-2-isopropoxybenzamide (CAS 1243329-30-7)
- 2,6-Dimethylbenzene-1,4-diamine (CAS 7218-02-2)
- 2-(6-(Cyclopropylamino)pyridin-3-yl)pyrrolidine-1-carbaldehyde (CAS 1352525-99-5)
- Phosphonic Acid, P-cyclohexyl-, dimethyl ester (CAS 1641-61-8)
- Peptide 431 (CAS CATO-CPTD788431)
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