3-Amino-N-(4-chlorobenzyl)-6-ethyl-5,6,7,8-tetrahydrothieno[2,3-b]quinoline-2-carboxamide CAS 445269-10-3
| CAS No. | 445269-10-3 |
| Molecular Formula | C21H22ClN3OS |
| Molecular Weight | 399.94 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
3-Amino-N-(4-chlorobenzyl)-6-ethyl-5,6,7,8-tetrahydrothieno[2,3-b]quinoline-2-carboxamide (CAS 445269-10-3), molecular formula C21H22ClN3OS and molecular weight 399.94 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C21H22ClN3OS, 3-Amino-N-(4-chlorobenzyl)-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, chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 399.94 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.
Physical & Chemical Properties
| Molecular Formula | C21H22ClN3OS |
| Molecular Weight | 399.94 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 | Cl-containing |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 1 |
Related Amino Standards
- 3-Amino-N-(2-chlorobenzyl)-6-ethyl-5,6,7,8-tetrahydrothieno[2,3-b]quinoline-2-carboxamide (CAS 445269-09-0)
- 3-Amino-N-(3-chloro-2-methylphenyl)-6-ethyl-5,6,7,8-tetrahydrothieno[2,3-b]quinoline-2-carboxamide (CAS 625370-13-0)
- 3-Amino-N-(3-chloro-4-methylphenyl)-6-ethyl-5,6,7,8-tetrahydrothieno[2,3-b]quinoline-2-carboxamide (CAS 625370-14-1)
- 3-Amino-N-(3-chlorobenzyl)-6-ethyl-5,6,7,8-tetrahydrothieno[2,3-b]quinoline-2-carboxamide (CAS 445268-87-1)
- 5-amino-4-bromo-1-(2,6-dichloro-4-(trifluoromethyl)phenyl)-1H-pyrazole-3-carbonitrile (CAS CATO-C3D-262536)
- Methyl 2-amino-4-(2-chlorophenyl)-5-oxo-4H,5H-thiochromeno[4,3-b]pyran-3-carboxylate (CAS 939894-13-0)
- 2-Amino-9-(3',5'-di-O-acetyl-2'-O-methyl-b-D-ribofuranosyl)-6-chloropurine (CAS 244184-56-3)
- 4-Amino-6-(2,4-dichlorophenyl)-3-phenyl-3,7-dihydropyrimido[5,4-d]pyrimidine-2,8-dione (CAS 866019-00-3)
Recommended Standards
- 4-(4-(4-Chlorophenyl)thiazol-2-yl)-N-(3-(dimethylamino)propyl)benzamide (CAS 338408-16-5)
- 3,7-Diiodo-6-methoxy-1H-indazole (CAS 1190321-03-9)
- 1-(4-Chlorophenethyl)-6,7-dimethoxy-2-(3-methylbut-2-en-1-yl)-1,2,3,4-tetrahydroisoquinoline (CAS 63937-77-9)
- 3,4-Diiodo-6-methoxy-1H-indazole (CAS 887570-08-3)
- (R)-1-Benzyl-3-aminopyrrolidine (CAS 114715-39-8)
- 2-Bromo-5-chloropyridine-4-carboxaldehyde (CAS 921630-14-0)
- 4,4-Dimethyl-2-(propylsulfonyl)cyclohexan-1-amine (CAS 1342167-25-2)
- Acrylic acid, 2-(N-(1,1-dihydroperfluoroheptadecylsulfonyl)-N-methylamino)ethyl ester (CAS 68758-56-5)
- 2,2,6,6-Tetramethyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)piperidine (CAS 1615203-00-3)
- (8-Fluoro-4-(hydroxymethyl)-2-methylquinolin-6-yl)boronic acid (CAS 2800920-35-6)
- 4,4'-(1,2-Phenylenebis(oxy))dibenzoic acid (CAS 74294-25-0)
- (r)-2-Amino-2-(2-fluoro-4-(trifluoromethyl)phenyl)ethan-1-ol (CAS 1212817-81-6)
- 3-Bromo-5-methyl-6-nitro-1H-indazole (CAS 1082040-69-4)
- Liraglutide(5-31)TFA Salt (CAS CATO-C4X-19924)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com