6-Bromo-8-ethyl-5-nitroquinoline CAS 91062-74-7
| CAS No. | 91062-74-7 |
| Molecular Formula | C11H9BrN2O2 |
| Molecular Weight | 281.11 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 6-Bromo-8-ethyl-5-nitroquinoline.
6-Bromo-8-ethyl-5-nitroquinoline (CAS 91062-74-7), molecular formula C11H9BrN2O2 and molecular weight 281.11 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 6-Bromo-8-ethyl-5-nitroquinoline (C11H9BrN2O2) contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, bromine substitution. The molecule exhibits a degree of unsaturation (DBE) of 8.0, corresponding to approximately 8 ring(s) or double-bond equivalent(s). With a molecular weight of 281.11 g/mol, it falls into the medium-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
CATO manufactures 6-Bromo-8-ethyl-5-nitroquinoline under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C11H9BrN2O2 |
| Molecular Weight | 281.11 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 sealed and dry, 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; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1983 |
| Halogen Content | Br-containing |
| Nitrogen Atoms | 2 |
Related Bromo Standards
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Recommended Standards
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- Ethyl 2-bromo-1,8-naphthyridine-3-carboxylate (CAS 2044702-49-8)
- (R)-5,5,5-trifluoro-2-(((R)-1-phenylethyl)amino)pentanamide hydrochloride (CAS 1146699-61-7)
- Tert-butyl n-[1-(3-hydroxyphenyl)ethyl]carbamate (CAS 1246210-72-9)
- (2S,4R)-1-Cbz-2-Hydroxymethyl-4-aminopyrrolidine hydrochloride (CAS 1279026-55-9)
- 4-Amino-4-methylpiperidine Dihydrochloride (CAS 483366-98-9)
- 2-Methyl-2-(6-methylpyridin-3-yl)propanoic acid (CAS 1341328-82-2)
- tert-Butyl (4-chloro-3-(cyclopropylmethoxy)-5-nitropyridin-2-yl)carbamate (CAS 1956332-38-9)
- 5-Amino-2-pentanol (CAS 81693-62-1)
- 1-(3,4-Dimethylphenyl)-2-ethyl-1H-imidazole (CAS 767237-90-1)
- Methyl (2S,3S)-2-[(diphenylmethylidene)amino]-4,4,4-trifluoro-3-{[(S)-2-methylpropane-2-sulfinyl]amino}butanoate (CAS 1580519-74-9)
- Semaglutide impurity 267 (CAS CATO-C4X-2226267)
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