3-Ethyl 7-methyl 4-bromoquinoline-3,7-dicarboxylate CAS 1378259-37-0
| CAS No. | 1378259-37-0 |
| Molecular Formula | C14H12BrNO4 |
| Molecular Weight | 338.15 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
3-Ethyl 7-methyl 4-bromoquinoline-3,7-dicarboxylate (CAS 1378259-37-0), molecular formula C14H12BrNO4 and molecular weight 338.15 g/mol, is a CATO reference standard with documented purity and traceability.
Owing to a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, bromine substitution, 3-Ethyl 7-methyl 4-bromoquinoline-3,7-dicarboxylate is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 338.15 g/mol — guide the selection of appropriate sample preparation and analytical techniques. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), 3-Ethyl 7-methyl 4-bromoquinoline-3,7-dicarboxylate meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C14H12BrNO4 |
| Molecular Weight | 338.15 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 |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| 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) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1991 |
| Halogen Content | Br-containing |
| Nitrogen Atoms | 1 |
Recommended Standards
- 2-Chloro-1-(4-(4-chloro-3-(trifluoromethyl)phenyl)-5,6-dihydropyridin-1(2H)-yl)ethanone (CAS 1201225-04-8)
- 3-Ethyl 6-methyl 4-bromoquinoline-3,6-dicarboxylate (CAS 1378260-99-1)
- N-(5-(2,5-Dichlorophenyl)-1,3,4-oxadiazol-2-yl)-1-methyl-1H-pyrazole-5-carboxamide (CAS 1170962-47-6)
- N-(3,4-Dichlorophenyl)-6-methyl-4-oxo-4,5-dihydro-[1,2,3]triazolo[1,5-a]pyrazine-3-carboxamide (CAS 1396855-41-6)
- 3-Bromo-4-ethoxy-5-methoxybenzonitrile (CAS 495396-35-5)
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- (4S,4'S)-2,2'-(Cyclopentane-1,1-diyl)bis(4-(adamantan-1-yl)-4,5-dihydrooxazole) (CAS 2377922-72-8)
- 2-(Difluoromethyl)-6-fluoro-3-hydroxy-5-iodopyridine (CAS 1805483-00-4)
- Semaglutide impurity 267 (CAS CATO-C4X-2226267)
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