3-Amino-N-(3,4-difluorophenyl)-6-ethyl-5H,6H,7H,8H-thieno[2,3-b]quinoline-2-carboxamide CAS 445269-03-4
| CAS No. | 445269-03-4 |
| Molecular Formula | C20H19F2N3OS |
| Molecular Weight | 387.45 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including 3-Amino-N-(3,4-difluorophenyl)-6-ethyl-5H,6H,7H,8H-thieno[2,3-b]quinoline-2-carboxamide.
CATO supplies 3-Amino-N-(3,4-difluorophenyl)-6-ethyl-5H,6H,7H,8H-thieno[2,3-b]quinoline-2-carboxamide (CAS 445269-03-4), a certified reference material (molecular formula C20H19F2N3OS, MW 387.45 g/mol) for analytical method development and quality control.
Based on its molecular formula C20H19F2N3OS, 3-Amino-N-(3,4-difluorophenyl)-6-ethyl-5H,6H,7H,8H-thieno[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 high carbon-to-hydrogen ratio imparts good lipophilicity, allowing liquid-liquid extraction with non-polar solvents such as n-hexane or ethyl acetate.
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-Amino-N-(3,4-difluorophenyl)-6-ethyl-5H,6H,7H,8H-thieno[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-(2,5-difluorophenyl)-6-ethyl-5,6,7,8-tetrahydrothieno[2,3-b]quinoline-2-carboxamide (CAS 445268-97-3)
- 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
- 4-(4-Ethoxyphenyl)-5-(3,4,5-trimethoxyphenyl)-4h-1,2,4-triazole-3-thiol (CAS 694464-07-8)
- 6-Fluoro-N-(naphthalen-1-ylmethyl)-7-(piperazin-1-yl)quinazolin-4-amine (CAS 625080-71-9)
- 2-((4-Nitrobenzyl)thio)-4,5-diphenyl-1H-imidazole (CAS 328281-63-6)
- Ethyl 5-oxo-1-tosyl-2,3,4,5-tetrahydro-1H-benzo[b]azepine-4-carboxylate (CAS 54620-98-3)
- 1-(Adamantan-1-yl)-2-(chloromethyl)-1h-1,3-benzodiazole hydrochloride (CAS 1170217-15-8)
- 1-(Naphthoxy)acetic acid hydrazide (CAS 24310-15-4)
- (4-ethylphenyl)(3-methanesulfonylphenyl)methanone (CAS 1094375-04-8)
- 2-((2,6-Dimethylquinolin-4-yl)thio)acetic acid (CAS 951625-90-4)
- (S)-tert-Butyl (2-oxo-2,3,4,5-tetrahydro-1H-benzo[b][1,4]diazepin-3-yl)carbamate (CAS 175211-39-9)
- 4-Cyclopropyl-6-ethyl-1,3,5-triazin-2-amine (CAS 1342842-59-4)
- N-((1-Methyl-1H-pyrazol-3-yl)methyl)heptan-1-amine hydrochloride (CAS 1856074-95-7)
- Ethyl 4-(4-(5-cyclopropyl-1,3,4-thiadiazol-2-yl)piperidin-1-yl)-4-oxobutanoate (CAS 1203004-50-5)
- Methyl 3-hydroxy-5-(methylsulfonyl)isothiazole-4-carboxylate (CAS 878477-24-8)
- Tirzepatide Impurity 33 (CAS CATO-C4X-324033)
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