612-61-3 7-Chloro-4-nitroquinoline 7-Chloroquinoline A26294 CAS 612-61-3
| CAS No. | 612-61-3 |
| Molecular Formula | C9H16ClN |
| Molecular Weight | 173.68 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.
612-61-3 7-Chloro-4-nitroquinoline 7-Chloroquinoline A26294 (CAS 612-61-3), molecular formula C9H16ClN and molecular weight 173.68 g/mol, is a CATO reference standard with documented purity and traceability.
The molecular framework of 612-61-3 7-Chloro-4-nitroquinoline 7-Chloroquinoline A26294 (C9H16ClN) is characterized by a nitrile group, chlorine substitution. In reversed-phase chromatography, its retention is governed primarily by the protonation state of its nitrogen-containing groups, which provides a practical basis for HPLC-UV/DAD or LC-MS method development. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
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 | C9H16ClN |
| Molecular Weight | 173.68 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 2.0 |
| CAS Registry Year (est.) | 1957 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
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Recommended Standards
- 4-Chloroquinoline 611-35-8 NSC 96902 Quinoline, 4-chloro- (6CI,7CI,8CI,9CI) quinoline, 4-chloro- (CAS 611-35-8)
- UX7RIN8GEW 612-62-4 2-Chloroquinoline Quinoline, 2-chloro- 5-20-07-00312 (Beilstein Handbook Reference) AI3-08909 BRN 0112561 CCRIS 3977 EINECS 210-317-8 NSC 6163 UNII-UX7RIN8GEW (CAS 612-62-4)
- 611-33-6 8-Chloroquinoline Quinoline, 8-chloro- CCRIS 3982 EINECS 210-265-6 NSC 56815 (CAS 611-33-6)
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