5-Bromo-7-chloro-8-methylquinoline CAS 120287-31-2
| CAS No. | 120287-31-2 |
| Molecular Formula | C10H7BrClN |
| Molecular Weight | 256.53 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.
5-Bromo-7-chloro-8-methylquinoline (CAS 120287-31-2), molecular formula C10H7BrClN and molecular weight 256.53 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C10H7BrClN, 5-Bromo-7-chloro-8-methylquinoline contains a nitrogen-containing heterocyclic scaffold, a nitrile group, chlorine/bromine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 256.53 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
CATO manufactures 5-Bromo-7-chloro-8-methylquinoline 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 | C10H7BrClN |
| Molecular Weight | 256.53 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 chloroform, dichloromethane, ethyl acetate |
| 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.) | 1991 |
| Halogen Content | Cl/Br-containing |
| Nitrogen Atoms | 1 |
Related Bromo Standards
- 6-Bromo-7-chloro-8-methylquinoline (CAS 1033202-16-2)
- 4-Bromo-5-chloro-8-methylquinoline (CAS 1070879-41-2)
- 4-Bromo-7-chloro-8-methylquinoline (CAS 1070879-42-3)
- 4-Bromo-8-chloro-6-methylquinoline (CAS 1070879-43-4)
- 4-Bromo-6-chloro-2-methylquinoline (CAS 1070879-50-3)
- 4-Bromo-7-chloro-2-methylquinoline (CAS 1070879-51-4)
- 4-Bromo-8-chloro-2-methylquinoline (CAS 1070879-52-5)
- 6-Bromo-2-chloro-3-methylquinoline (CAS 113092-96-9)
Recommended Standards
- 7-Bromo-3-(chloromethyl)quinoline (CAS 1196154-08-1)
- 3-Bromo-4-chloro-6-methylquinoline (CAS 1204810-41-2)
- 6-Bromo-4-chloro-7-methylquinoline (CAS 1189106-57-7)
- 3-Bromo-4-chloro-8-methylquinoline (CAS 1204810-49-0)
- 1-[(3-Methyl-1,2,4-oxadiazol-5-yl)methyl]-6-oxo-1,6-dihydropyridine-3-carboxylic acid (CAS 1041580-80-6)
- (5-(4-(2-(S)-Boc-amino-propionylamino)phenylsulfanyl)-1H-benzoimidazol-2-yl)carbamic acid methyl ester (CAS 284019-53-0)
- 2,3,8,9,10-Pentachloro-6-methyl-6H-dibenzo[c,e][1,2]thiazine 5,5-dioxide (CAS 3846-28-4)
- 2-Hydroxy-3-iodo-4-(trifluoromethyl)pyridine (CAS 1227571-16-5)
- 6-Chloro-N-hydroxy-5-methylnicotinimidamide (CAS 1122092-64-1)
- Tetradecyl carbonochloridate (CAS 56677-60-2)
- (s)-2-Amino-2-(3-fluoro-4-(trifluoromethyl)phenyl)ethan-1-ol (CAS 1213918-01-4)
- 4-Nitro-7-(piperidin-1-yl)benzo[c][1,2,5]oxadiazole (CAS 18378-22-8)
- Ethylenediaminetetraacetic Acid Monosodium Ferric Salt Hydrate (CAS 15708-41-5)
- Semaglutide impurity 40 (CAS CATO-C4X-222640)
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