2-Chloro-11-(4-methylpiperazino)dibenz[b,f]oxepin maleate CAS 24140-98-5
| CAS No. | 24140-98-5 |
| Molecular Formula | C19H20ClN2O |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 442.90 g/mol gives 2-Chloro-11-(4-methylpiperazino)dibenz[b,f]oxepin maleate distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
2-Chloro-11-(4-methylpiperazino)dibenz[b,f]oxepin maleate (CAS 24140-98-5), molecular formula C19H20ClN2OC4H3O4 and molecular weight 442.90 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 2-Chloro-11-(4-methylpiperazino)dibenz[b,f]oxepin maleate (C19H20ClN2OC4H3O4) contains a flavonoid core, an amide group, a hydroxyl group, an ether linkage, chlorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 13.0, corresponding to approximately 13 ring(s) or double-bond equivalent(s). With a molecular weight of 442.90 g/mol, it falls into the moderately-high-molecular-weight range. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
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.
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 | C19H20ClN2O C4H3O4 |
| Molecular Weight | 442.90 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), protect from light, keep sealed and dry |
| 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) | 13.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1963 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
Related Chloro Standards
- benzyl 4-(5-chloro-1-(2-ethoxy-2-oxoethyl)-6-oxo-1,6-dihydropyridazin-4-yl)piperazine-1-carboxylate (CAS 1000018-18-7)
- 3-[(2-Chloro-4-methylsulfonyl)phenoxy]benzoic acid (CAS 1000018-31-4)
- 6-Chloro-2-[2-(3-[(6-chloro-1-ethylbenz[c,d,]indole-2[1H]-ylidene)ethylidene]-2-phenyl-1-cyclopenten-1-yl)ethenyl]-1-ethylbenz[c,d]indolium tetrafluoroborate (CAS 100012-45-1)
- 3-Chloro-2-fluoro-5-iodobenzoic acid (CAS 1000162-09-3)
- (3-Chloro-2-fluoro-5-iodophenyl)methanol (CAS 1000162-10-6)
- 3-Chloro-2-fluoro-5-nitrobenzoic acid (CAS 1000162-34-4)
- 2-Chloro-N-(piperidin-4-yl)-6,7-dihydro-5H-cyclopenta-[d]pyrimidin-4-amine hydrochloride (CAS 1000207-51-1)
- 4-chloro-6-(3,3-difluoropyrrolidin-1-yl)pyrimidine (CAS 1000303-40-1)
Recommended Standards
- 4,5-diaminopyrimidine (CAS 13754-19-3)
- 3-Amino-5-fluoro-2-methylphenol (CAS 173322-85-5)
- 7H-Pyrrolo[2,3-d]pyrimidin-4-amine (CAS 1500-85-2)
- 2-Chloro-1-isocyanato-3-methoxybenzene (CAS 183513-64-6)
- 2,2-Difluoro-2-(Methylsulfanyl)-1-Phenylethanone (CAS 192862-16-1)
- (S)-3-Amino-2-phenylpropanoic acid (CAS 1076-51-3)
- Methyl 5-cyano-2-methyl-6-(2,4,5-trichlorophenoxy)nicotinate (CAS 303146-51-2)
- {2-Oxabicyclo[2.2.2]octan-4-yl}methanamine (CAS 2167317-09-9)
- 1,2,3,4-Tetrahydropyrido[1,2-a]benzimidazole-7-carboxylic acid (CAS 18390-13-1)
- endo-Ser39-Tirzepatide (CAS CATO-CPTD788935)
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