1-Pentyl-3-(thiophen-2-ylsulfonyl)-2,3-dihydro-1H-imidazo[4,5-b]quinoxaline CAS 848060-01-5
| CAS No. | 848060-01-5 |
| Molecular Formula | C18H20N4O2S2 |
| Molecular Weight | 388.51 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 1-Pentyl-3-(thiophen-2-ylsulfonyl)-2,3-dihydro-1H-imidazo[4,5-b]quinoxaline.
1-Pentyl-3-(thiophen-2-ylsulfonyl)-2,3-dihydro-1H-imidazo[4,5-b]quinoxaline (CAS 848060-01-5), molecular formula C18H20N4O2S2 and molecular weight 388.51 g/mol, is a CATO reference standard with documented purity and traceability.
Owing to a steroid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage, 1-Pentyl-3-(thiophen-2-ylsulfonyl)-2,3-dihydro-1H-imidazo[4,5-b]quinoxaline is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 388.51 g/mol — guide the selection of appropriate sample preparation and analytical techniques. 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), 1-Pentyl-3-(thiophen-2-ylsulfonyl)-2,3-dihydro-1H-imidazo[4,5-b]quinoxaline 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 | C18H20N4O2S2 |
| Molecular Weight | 388.51 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Nitrogen Atoms | 4 |
| Sulfur Atoms | 2 |
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Recommended Standards
- 1-(5,6-Bis(4-ethylphenyl)-1,2,4-triazin-3-yl)piperidin-4-ol (CAS 88300-17-8)
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- 3-[4-(2,6-dimethylphenyl)-5-sulfanyl-4H-1,2,4-triazol-3-yl]-N,N-dimethylbenzene-1-sulfonamide (CAS 380436-89-5)
- Methyl 4-Methylindole-3-acetate (CAS 2097800-49-0)
- 2,3-Dichloro-4-(trifluoromethyl)pyridine (CAS 89719-93-7)
- 3,4-Difluoro-2-methoxybenzoyl chloride (CAS 1706461-08-6)
- 3-(3-(4-Fluorophenyl)-5,9-dimethyl-7-oxo-7H-furo[3,2-g]chromen-6-yl)propanoic acid (CAS 777857-51-9)
- 6-Fluoro-1-methyl-1H-indazole (CAS 1209534-87-1)
- 1-(4-Chloro-3-fluorophenyl)propan-2-ol (CAS 1443340-73-5)
- 1-[2-fluoro-6-(1-phenylethoxy)phenyl]ethan-1-one (CAS 1019624-98-6)
- (2R,3R,4S,5R)-2-(6-Amino-9H-purin-9-yl)-5-((S)-1-hydroxyethyl)tetrahydrofuran-3,4-diol (CAS 35868-16-7)
- 1-(4-Methoxy-1-methyl-1H-pyrrolo[2,3-b]pyridin-3-yl)ethan-1-one (CAS 1011711-68-4)
- Semaglutide impound 212 (CAS CATO-C4X-2226212)
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