2-Chloro-3-(1H-indol-3-yl)-quinoxaline CAS 1146080-41-2
| CAS No. | 1146080-41-2 |
| Molecular Formula | C16H10ClN3 |
| Molecular Weight | 279.72 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO supplies 2-Chloro-3-(1H-indol-3-yl)-quinoxaline (CAS 1146080-41-2), a certified reference material (molecular formula C16H10ClN3, MW 279.72 g/mol) for analytical method development and quality control.
Owing to a nitrogen-containing heterocyclic scaffold, a nitrile group, chlorine substitution, 2-Chloro-3-(1H-indol-3-yl)-quinoxaline is typically pale yellow to yellow low-melting solid. Its solid-state physicochemical attributes — including a molecular weight of 279.72 g/mol — guide the selection of appropriate sample preparation and analytical techniques. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
As a certified reference material (CRM), 2-Chloro-3-(1H-indol-3-yl)-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 | C16H10ClN3 |
| Molecular Weight | 279.72 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 13.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1989 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 3 |
Related Chloro Standards
- 3-Chloro-2-(3-methoxypropyl)-1-oxo-isoquinoline-4-carbaldehyde (CAS 1018250-82-2)
- 6-Chloro-N-(3,4-dimethoxybenzyl)pyridazin-3-amine (CAS 1155466-26-4)
- Ethyl 2-(6-chloro-2-methyl-4-oxoquinolin-1(4H)-yl)acetate (CAS 1171940-80-9)
- Ethyl 2-(6-chloro-8-methyl-4-oxoquinolin-1(4H)-yl)acetate (CAS 1172066-32-8)
- Benzyl 4-chloro-3-formyl-5,6-dihydropyridine-1(2H)-carboxylate (CAS 1190971-25-5)
- 1314446-42-8 2-(5-Chloro-1H-indol-3-yl)-quinoxaline (CAS 1314446-42-8)
- Ethyl 4-chloro-8-methoxy-6-methylquinoline-3-carboxylate (CAS 1315344-46-7)
- Ethyl 8-chloro-1-ethyl-4-oxo-1,4-dihydroquinoline-3-carboxylate (CAS 131776-02-8)
Recommended Standards
- tert-Butyl 6-chloro-3-formyl-1H-indole-1-carboxylate (CAS 1138161-19-9)
- Ethyl 5-amino-1-(3-chloro-4-methylphenyl)-1H-pyrazole-4-carboxylate (CAS 1152879-85-0)
- 2-(4-Chlorobutyl)-1-oxo-1,2-dihydroisoquinoline-4-carboxylic acid (CAS 112893-27-3)
- 3-[5-(Chloromethyl)-1,2,4-oxadiazol-3-yl]-N-isopropylbenzamide (CAS 1119452-67-3)
- 6-Amino-3-bromo-1-((2R,3R,4S,5R)-3,4-dihydroxy-5-(hydroxymethyl)tetrahydrofuran-2-yl)-1H-pyrazolo[3,4-d]pyrimidin-4(5H)-one (CAS 96555-37-2)
- tert-Butyl 4-(aminomethyl)isoindoline-2-carboxylate (CAS 1394954-74-5)
- (1S,6R)-3-Boc-3,8-diazabicyclo[4.2.0]octane (CAS 370881-96-2)
- 2-(2,6-Difluorophenyl)-2-(dimethylamino)acetic acid (CAS 1218558-85-0)
- 2-((Benzyloxy)methyl)cyclopent-3-enol (CAS 959973-63-8)
- 2-(5-Fluorothiophen-2-yl)acetonitrile (CAS 950604-65-6)
- 4,4,5,5-Tetramethyl-2-(3-((tetrahydro-2h-pyran-4-yl)methoxy)-5-(trifluoromethyl)phenyl)-1,3,2-dioxaborolane (CAS 2096330-34-4)
- 2-(Allyloxy)-6-bromo-4-methoxybenzyl Alcohol (CAS 1820705-12-1)
- 3-Amino-1-(4-fluorophenyl)-2,2-dimethylpropan-1-ol (CAS 933724-12-0)
- Insulin Degludec Impurity 19 (CAS CATO-C4X-215719)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
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