2-(3-Chloroquinoxalin-2-yl)-2-(thiophen-2-ylsulfonyl)acetonitrile CAS 885196-53-2
| CAS No. | 885196-53-2 |
| Molecular Formula | C14H8ClN3O2S2 |
| Molecular Weight | 349.82 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 2-(3-Chloroquinoxalin-2-yl)-2-(thiophen-2-ylsulfonyl)acetonitrile.
2-(3-Chloroquinoxalin-2-yl)-2-(thiophen-2-ylsulfonyl)acetonitrile (CAS 885196-53-2), molecular formula C14H8ClN3O2S2 and molecular weight 349.82 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 2-(3-Chloroquinoxalin-2-yl)-2-(thiophen-2-ylsulfonyl)acetonitrile (C14H8ClN3O2S2) contains a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone group, a hydroxyl group, an ether linkage, chlorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 12.0, corresponding to approximately 12 ring(s) or double-bond equivalent(s). With a molecular weight of 349.82 g/mol, it falls into the moderately-high-molecular-weight range. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Physical & Chemical Properties
| Molecular Formula | C14H8ClN3O2S2 |
| Molecular Weight | 349.82 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; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 2 |
Related Chloroquinoxalin Standards
- n-(3-Chloroquinoxalin-2-yl)-4-fluoro-2-methylbenzenesulfonamide (CAS 847744-22-3)
- N-(3-Chloroquinoxalin-2-yl)-N,4-dimethylbenzene-1-sulfonamide (CAS 166271-39-2)
- N-(3-chloroquinoxalin-2-yl)-3,4-dimethylbenzenesulfonamide (CAS 1949816-27-6)
- n-(3-Chloroquinoxalin-2-yl)-2,5-difluorobenzene-1-sulfonamide (CAS 735322-75-5)
- 2-(3-Chloroquinoxalin-2-yl)-2-(phenylsulfonyl)acetonitrile (CAS 121512-58-1)
- 2-(3-Chloroquinoxalin-2-yl)-2-((4-fluorophenyl)sulfonyl)acetonitrile (CAS 554439-99-5)
- n-(3-Chloroquinoxalin-2-yl)-4-ethoxybenzenesulfonamide (CAS 731795-55-4)
- n-(3-Chloroquinoxalin-2-yl)-2-methylbenzenesulfonamide (CAS 4029-40-7)
Recommended Standards
- 5-Amino-7-benzyl-2-chloro-6,7,8,9-tetrahydropyrido[2,3-b][1,6]naphthyridine-3-carbonitrile (CAS 1263199-65-0)
- 4-(4-Chlorophenyl)-6-(isopropylamino)-2-(pyridin-3-yl)pyrimidine-5-carbonitrile (CAS 320417-88-7)
- 9-Benzyl-2-chloro-N-(p-tolyl)-9H-purin-6-amine (CAS 125802-49-5)
- 4-(4-Chlorophenyl)-6-(isopropylamino)-2-(pyridin-4-yl)pyrimidine-5-carbonitrile (CAS 320417-99-0)
- (1S,1'S,2R,2'R)-1,1'-Di-tert-butyl-7,7'-dimethoxy-2,2',3,3'-tetrahydro-1H,1'H-2,2'-biphosphindole (CAS 1477517-22-8)
- 3-Bromo-5,6-dimethylpyrazolo[1,5-a]pyrimidine (CAS 61552-57-6)
- 4-Methyl-2-(2,2,2-trifluoroethyl)pentanoic acid (CAS 1500365-83-2)
- 3-Bromo-1H-pyrazolo[3,4-c]pyridin-7(6H)-one (CAS 956077-63-7)
- 3-(Ethoxymethyl)benzoic acid (CAS 174894-85-0)
- N-(4-Chlorothiophen-2-yl)acetamide (CAS 89379-81-7)
- 2-(Difluoromethyl)-5-hydroxy-6-(trifluoromethoxy)pyridine-3-methanol (CAS 1804478-51-0)
- Tert-butyl 1,2,6-triazaspiro[2.5]oct-1-ene-6-carboxylate (CAS 1620483-21-7)
- Perampanel impurity 43 (CAS CATO-C4X-243043)
- Human IgE Pentapeptide HEPP (CAS 62087-72-3)
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