3-Amino-6-ethyl-N-(5-(isobutylthio)-1,3,4-thiadiazol-2-yl)-5,6,7,8-tetrahydrothieno[2,3-b]quinoline-2-carboxamide CAS 625370-71-0
| CAS No. | 625370-71-0 |
| Molecular Formula | C20H25N5OS3 |
| Molecular Weight | 447.64 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 447.64 g/mol gives 3-Amino-6-ethyl-N-(5-(isobutylthio)-1,3,4-thiadiazol-2-yl)-5,6,7,8-tetrahydrothieno[2,3-b]quinoline-2-carboxamide distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
CATO supplies 3-Amino-6-ethyl-N-(5-(isobutylthio)-1,3,4-thiadiazol-2-yl)-5,6,7,8-tetrahydrothieno[2,3-b]quinoline-2-carboxamide (CAS 625370-71-0), a certified reference material (molecular formula C20H25N5OS3, MW 447.64 g/mol) for analytical method development and quality control.
3-Amino-6-ethyl-N-(5-(isobutylthio)-1,3,4-thiadiazol-2-yl)-5,6,7,8-tetrahydrothieno[2,3-b]quinoline-2-carboxamide (C20H25N5OS3) contains a steroid core, an amide group, sulfur-containing functionality, a hydroxyl group, an ether linkage. Its physicochemical properties are representative of its class; these physicochemical properties determine the optimal preparation and storage of its standard solutions. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
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.
As a certified reference material (CRM), 3-Amino-6-ethyl-N-(5-(isobutylthio)-1,3,4-thiadiazol-2-yl)-5,6,7,8-tetrahydrothieno[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 | C20H25N5OS3 |
| Molecular Weight | 447.64 g/mol |
| Purity | 97%+ |
| Storage | Store at room temperature, protect from light |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1985 |
| Nitrogen Atoms | 5 |
| Sulfur Atoms | 3 |
Related Amino Standards
- Ethyl 4-(((7-amino-5-(benzylthio)pyrimido[5,4-e][1,2,4]triazin-3-yl)methyl)amino)benzoate (CAS 35171-06-3)
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- 2-Amino-4,5-dimethyl-1-(2,4,6-tribromophenyl)-1H-pyrrole-3-carbonitrile (CAS 291539-77-0)
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Recommended Standards
- 1,3,5-Tris((pyridin-4-ylthio)methyl)benzene (CAS 862014-52-6)
- 3,3-Dibutyl-8-hydroxy-7-(methylthio)-5-phenyl-2,3,4,5-tetrahydrobenzo[b][1,4]thiazepine 1,1-dioxide (CAS 439088-16-1)
- Rimegepant Impurity 59 (CAS 1190363-47-3)
- Roflumilast USP Related Compound E (CAS 3031785-18-6)
- 1215549-29-3 5-(6-Bromopyridin-2-yl)cyclohexane-1,3-dione (CAS 1215549-29-3)
- 4-[3,5-dichloro-2-(difluoromethoxy)phenyl]-1,3-thiazol-2-amine (CAS 790232-39-2)
- Methyl 2-(6-(2-cyano-4-fluorophenoxy)-1h-indazol-1-yl)acetate (CAS 1224194-74-4)
- 5-Amino-N-ethylnicotinamide (CAS 1415343-06-4)
- 3-Methoxy-2-methylpropanenitrile (CAS 31413-67-9)
- 4,6-Bis(methylthio)-1H-pyrazolo[3,4-d]pyrimidine-3-carbonitrile (CAS 73236-31-4)
- Moxalactam Sodium Salt (CAS 64953-12-4)
- Hydroxymethyl resin (200-400 mesh, 0.9-1.4 mmol/g) (CAS 66072-40-0)
- 2-((4-Formyl-1-phenyl-1H-imidazol-5-yl)selanyl)acetic acid (CAS 62260-53-1)
- Semaglutide impurity 50 (CAS 2773558-66-8)
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