7-Bromo-8-chloroquinolin-2(1H)-one CAS 2021809-76-5
| CAS No. | 2021809-76-5 |
| Molecular Formula | C9H5BrClNO |
| Molecular Weight | 258.50 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 258.50 g/mol gives 7-Bromo-8-chloroquinolin-2(1H)-one distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
7-Bromo-8-chloroquinolin-2(1H)-one (CAS 2021809-76-5) is a high-purity analytical reference standard with the molecular formula C9H5BrClNO and a molecular weight of 258.50 g/mol.
Based on its molecular formula C9H5BrClNO, 7-Bromo-8-chloroquinolin-2(1H)-one contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, chlorine/bromine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 258.50 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO manufactures 7-Bromo-8-chloroquinolin-2(1H)-one 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 | C9H5BrClNO |
| Molecular Weight | 258.50 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, faint amine-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1996 |
| Halogen Content | Cl/Br-containing |
| Nitrogen Atoms | 1 |
Related Bromo Standards
- 3-Bromo-7-chloroquinolin-6-ol (CAS 1009811-89-5)
- 4-Bromo-7-chloroisoquinolin-1(2H)-one (CAS 1028252-13-2)
- 6-Bromo-7-chloro-1(2H)-isoquinolinone (CAS 1036712-57-8)
- 6-Bromo-3-chloroquinoxalin-2-amine (CAS 1083181-47-8)
- 7-Bromo-5-chloro-1H-indole-3-carbaldehyde (CAS 1100217-75-1)
- 7-Bromo-2-chloroquinazolin-4-amine (CAS 1107695-08-8)
- 5-Bromo-2-chloroquinazolin-4-amine (CAS 1107695-10-2)
- 6-Bromo-8-chloroquinolin-4(1H)-one (CAS 1153084-25-3)
Recommended Standards
- 7-Bromo-6-chloroquinazolin-4-amine (CAS 2385786-28-5)
- 8-Bromo-2-chloroquinazolin-4-amine (CAS 956100-62-2)
- 7-Bromo-6-chloroquinazolin-2-amine (CAS 2386824-60-6)
- 8-Bromo-3-chloroisoquinolin-5-ol (CAS 2660256-28-8)
- 1-(5-Aminopyridin-2-yl)-3-cyclopropyl-4,5-dihydro-1h-pyrazol-5-one (CAS 1343983-95-8)
- 3-(2-Chloro-7-methylquinolin-3-yl)-5-phenyl-1,2,4-oxadiazole (CAS 1142201-73-7)
- n-(2-Chloroethyl)-1h-1,3-benzodiazol-2-amine hydrochloride (CAS 111971-41-6)
- (6-Chloro-3-iodo-1-((2-(trimethylsilyl)ethoxy)methyl)-1H-pyrazolo[3,4-b]pyrazin-5-yl)methanol (CAS 2375919-34-7)
- 1-[(3-Methylphenyl)methyl]-1,4-diazepane (CAS 926249-17-4)
- 2,4-Dihydroxybenzoic Acid (CAS 89-86-1)
- 2-(3,4-Dichlorophenoxy)-6-phenylnicotinonitrile (CAS 252058-98-3)
- 1-(3-fluoro-4-methylphenyl)-4,5,6,7-tetrahydro-1H-indazole-3-carboxylic acid (CAS 926195-95-1)
- 2-chloro-5-methanesulfonylthiophene (CAS 98027-41-9)
- Semaglutide impurity 248 (CAS CATO-C4X-2226248)
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