2-Chloro-3-(naphthalen-2-yl)quinoxaline CAS 955938-18-8
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 955938-18-8 |
| Molecular Formula | C18H11ClN2 |
| Molecular Weight | 290.75 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
2-Chloro-3-(naphthalen-2-yl)quinoxaline (CAS 955938-18-8) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C18H11ClN2. Molecular weight: 290.75 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C18H11ClN2 |
| Molecular Weight | 290.75 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| 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) | 14.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
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- 2-Chloro-4-(naphthalen-1-yl)quinazoline (CAS 1413376-86-9)
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Recommended Standards
- 3-Chloro-2,2-dimethyl-N-[2-(pyridin-4-yl)pyrimidin-4-yl]propanamide (CAS 478039-72-4)
- N-(4-Chlorophenyl)-3-methyl-4,5,6,7-tetrahydro-1H-pyrazolo[4,3-c]pyridine-1-carboxamide (CAS 1449478-42-5)
- 4-Chloro-5-(2-(1-phenylbutylidene)hydrazinyl)pyridazin-3(2H)-one (CAS 6959-30-4)
- 3-Oxocyclohexylboronic Acid Pinacol Ester (CAS 302577-72-6)
- 4-(P-tolyl)tetrahydro-2H-pyran-4-amine (CAS 1097780-82-9)
- Hydroxylamine hemioxalate (CAS 4682-08-0)
- tert-Butyl 5-oxa-2,9-diazaspiro[3.6]decane-9-carboxylate (CAS 1250998-79-8)
- N,N'-Bis(salicylidene)ethylenediamine (CAS 94-93-9)
- 2-(Difluoromethyl)-N-hydroxyisonicotinimidoyl chloride (CAS 1956426-69-9)
- Semaglutide impurity 200 (CAS CATO-C4X-2226200)
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