3-Amino-N-cyclopentyl-6-ethyl-5H,6H,7H,8H-thieno[2,3-b]quinoline-2-carboxamide CAS 625370-23-2
| CAS No. | 625370-23-2 |
| Molecular Formula | C19H25N3OS |
| Molecular Weight | 343.49 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Owing to a steroid core, an amide group, sulfur-containing functionality, a hydroxyl group, an ether linkage, 3-Amino-N-cyclopentyl-6-ethyl-5H,6H,7H,8H-thieno[2,3-b]quinoline-2-carboxamide is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 343.49 g/mol — guide the selection of appropriate sample preparation and analytical techniques. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
3-Amino-N-cyclopentyl-6-ethyl-5H,6H,7H,8H-thieno[2,3-b]quinoline-2-carboxamide (CAS 625370-23-2) is a high-purity analytical reference standard with the molecular formula C19H25N3OS and a molecular weight of 343.49 g/mol.
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), 3-Amino-N-cyclopentyl-6-ethyl-5H,6H,7H,8H-thieno[2,3-b]quinoline-2-carboxamide 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 | C19H25N3OS |
| Molecular Weight | 343.49 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1985 |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 1 |
Related Amino Standards
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Recommended Standards
- 3-(4-Ethoxyphenyl)-6-((2-(piperidin-1-yl)ethyl)thio)pyridazine (CAS 900008-74-4)
- (2S,3S,4R)-2-Azido-1,3,4-octadecanetriol (CAS 117168-59-9)
- 2-Methyl-N-(2-(4-methylpiperazin-1-yl)-2-(thiophen-3-yl)ethyl)benzamide (CAS 955256-98-1)
- 2-((Tert-butoxycarbonyl)amino)tetradecanoic acid (CAS 129850-62-0)
- 1,3,5-Triacetylbenzene (CAS 779-90-8)
- 2-Chloro-5-(cyclopentyloxy)pyrimidine (CAS 1192813-80-1)
- 4-(4-Fluorophenyl)-2-methoxy-6-(p-tolyl)nicotinonitrile (CAS 1360151-28-5)
- Thiacetazone (CAS 104-06-3)
- 2,6-Dioxo-1-phenyl-1,2,3,6-tetrahydropyrimidine-4-carboxylic acid (CAS 723-76-2)
- N-(2-methoxyethyl)but-3-en-1-amine (CAS 1251382-92-9)
- 1-(4-Chlorophenyl)-7-isopropoxy-6-methoxy-2-(4-nitrophenyl)-1,2-dihydroisoquinolin-3(4H)-one (CAS 1821463-86-8)
- 7-Chloro-1-(4-fluoro-3-methylphenyl)-1-oxoheptane (CAS 898761-10-9)
- 2-(3-(4-Methoxybenzyl)-2,4,5-trioxoimidazolidin-1-yl)acetonitrile (CAS 320422-95-5)
- Semaglutide Impurity 246 (CAS CATO-C4X-2226246)
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