3-Amino-6-ethyl-5H,6H,7H,8H-thieno[2,3-b]quinoline-2-carbonitrile CAS 445382-05-8
| CAS No. | 445382-05-8 |
| Molecular Formula | C14H15N3S |
| Molecular Weight | 257.35 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-6-ethyl-5H,6H,7H,8H-thieno[2,3-b]quinoline-2-carbonitrile.
3-Amino-6-ethyl-5H,6H,7H,8H-thieno[2,3-b]quinoline-2-carbonitrile (CAS 445382-05-8) is a high-purity analytical reference standard with the molecular formula C14H15N3S and a molecular weight of 257.35 g/mol.
Structurally, 3-Amino-6-ethyl-5H,6H,7H,8H-thieno[2,3-b]quinoline-2-carbonitrile (C14H15N3S) contains a nitrogen-containing heterocyclic scaffold, a nitrile group, sulfur-containing functionality. The molecule exhibits a degree of unsaturation (DBE) of 9.0, corresponding to approximately 9 ring(s) or double-bond equivalent(s). With a molecular weight of 257.35 g/mol, it falls into the medium-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
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-6-ethyl-5H,6H,7H,8H-thieno[2,3-b]quinoline-2-carbonitrile 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 | C14H15N3S |
| Molecular Weight | 257.35 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.) | 2025 |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 1 |
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Recommended Standards
- 3-(Isopentylsulfonyl)-4,6-dimethylpyridin-2(1H)-one (CAS 866038-62-2)
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- 2-(2-Chlorophenyl)-1-((2,4-dichlorobenzyl)oxy)-1H-imidazo[4,5-b]pyridine (CAS 400087-65-2)
- 1,1'-(2,2,2-Trifluoroethane-1,1-diyl)bis(1,3,5-trimethyl-1lambda5-benzene) (CAS 1314534-82-1)
- Chrysoidiner (CAS 4438-16-8)
- 3-(5-(Aminomethyl)isoxazol-3-yl)propanoic acid (CAS 138741-63-6)
- Se (CAS CATO-CCRM106021)
- 3-Methyl-2-oxo-2,3-dihydrobenzo[d]oxazole-5-sulfonamide (CAS 1514854-90-0)
- 2-Bromo-6-chlorothieno[3,2-c]pyridine (CAS 1781989-15-8)
- 4-Fluoro-n-methyl-n-(propan-2-yl)benzene-1-sulfonamide (CAS 1156113-08-4)
- 5-Cyclopropoxy-2-methyl-3-(methylthio)pyridine (CAS 1243440-68-7)
- Semaglutide Impurity 184 (CAS CATO-C4X-2226184)
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