4,4,7,8-Tetramethyl-4,5-dihydro-1H-[1,2]dithiolo-[3,4-c]quinoline-1-thione CAS 316358-50-6
| CAS No. | 316358-50-6 |
| Molecular Formula | C14H15NS3 |
| Molecular Weight | 293.47 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 293.47 g/mol gives 4,4,7,8-Tetramethyl-4,5-dihydro-1H-[1,2]dithiolo-[3,4-c]quinoline-1-thione distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
4,4,7,8-Tetramethyl-4,5-dihydro-1H-[1,2]dithiolo-[3,4-c]quinoline-1-thione (CAS 316358-50-6) is a high-purity analytical reference standard with the molecular formula C14H15NS3 and a molecular weight of 293.47 g/mol.
Structurally, 4,4,7,8-Tetramethyl-4,5-dihydro-1H-[1,2]dithiolo-[3,4-c]quinoline-1-thione (C14H15NS3) contains a nitrogen-containing heterocyclic scaffold, a nitrile group, sulfur-containing functionality. The molecule exhibits a degree of unsaturation (DBE) of 8.0, corresponding to approximately 8 ring(s) or double-bond equivalent(s). With a molecular weight of 293.47 g/mol, it falls into the medium-molecular-weight range. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
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), 4,4,7,8-Tetramethyl-4,5-dihydro-1H-[1,2]dithiolo-[3,4-c]quinoline-1-thione 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 | C14H15NS3 |
| Molecular Weight | 293.47 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 3 |
Related Tetramethyl Standards
- 4,4,6,8-Tetramethyl-4,5-dihydro-1H-[1,2]dithiolo-[3,4-c]quinoline-1-thione (CAS 309265-60-9)
- 1-((5-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)thiophen-2-yl)methyl)pyrrolidine (CAS 1218790-45-4)
- 4-[4-(4,4,5,5-Tetramethyl-[1,3,2]dioxaborolan-2-yl)cyclohex-3-en-1-yl]morpholine (CAS 1046793-56-9)
- 4-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)-2-(thiophen-2-yl)thiazole (CAS 1402166-57-7)
- 5-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)-2-(thiophen-3-yl)thiazole (CAS 1402166-58-8)
- 5-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)-2-(thiophen-2-yl)thiazole (CAS 1402166-59-9)
- 2-methyl-5-(tetramethyl-1,3,2-dioxaborolan-2-yl)-1,2-dihydroisoquinolin-1-one (CAS 1655495-97-8)
- 1-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)-9H-carbazole (CAS 1219637-88-3)
Recommended Standards
- 7-Bromo-6-chloro-8-fluoroquinazoline-2,4(1H,3H)-dione (CAS 1698028-10-2)
- 1-(5-(tert-Butylthio)-4-methylpyridin-2-yl)-4-ethylpiperazine (CAS 1355232-93-7)
- Tri-n-butyl-d27 Phosphate (CAS 61196-26-7)
- 1-(5-(tert-Butylthio)-3-methylpyridin-2-yl)-4-ethylpiperazine (CAS 1355226-03-7)
- 5-Cyclopropyl-1-(2,2,2-trifluoroethyl)-1h-1,2,3-triazole-4-carboxylic acid (CAS 1251099-82-7)
- 3-[[(Benzylthio)carbonothioyl]thio]propionic Acid (CAS 497931-76-7)
- 1-Acetamido-3,3-dimethylcyclohexane-1-carboxylic acid (CAS 1339221-68-9)
- Carbonylbis(trifluoroacetato)bis(triphenylphosphine)ruthenium (CAS 65912-34-7)
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- 2-Methyloxirane-2-carboxylic acid (CAS 38649-35-3)
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- Pentan-3-ylhydrazine hydrochloride (CAS 221024-42-6)
- 2-(Benzylsulfanyl)-5-[2-(methylsulfanyl)phenyl]-1,3,4-oxadiazole (CAS 339015-40-6)
- Peptide 431 (CAS CATO-CPTD788431)
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