2-{[5-chloro-1-(4-methoxyphenyl)-6-oxo-1,6-dihydropyridazin-4-yl](methyl)amino}ethyl N-(4-chlorophenyl)carbamate CAS 477867-37-1
| CAS No. | 477867-37-1 |
| Molecular Formula | C21H20Cl2N4O4 |
| Molecular Weight | 463.31 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 463.31 g/mol gives 2-{[5-chloro-1-(4-methoxyphenyl)-6-oxo-1,6-dihydropyridazin-4-yl](methyl)amino}ethyl N-(4-chlorophenyl)carbamate distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
CATO supplies 2-{[5-chloro-1-(4-methoxyphenyl)-6-oxo-1,6-dihydropyridazin-4-yl](methyl)amino}ethyl N-(4-chlorophenyl)carbamate (CAS 477867-37-1), a certified reference material (molecular formula C21H20Cl2N4O4, MW 463.31 g/mol) for analytical method development and quality control.
Structurally, 2-{[5-chloro-1-(4-methoxyphenyl)-6-oxo-1,6-dihydropyridazin-4-yl](methyl)amino}ethyl N-(4-chlorophenyl)carbamate (C21H20Cl2N4O4) 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 463.31 g/mol, it falls into the moderately-high-molecular-weight range. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
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 | C21H20Cl2N4O4 |
| Molecular Weight | 463.31 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, low volatility) |
| 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.) | 2025 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 4 |
Related chloro Standards
- 2-Chloro-N-(2-chlorophenyl)-5-(2-(1-(pyridin-4-yl)ethylidene)hydrazine-1-carbonyl)benzenesulfonamide (CAS 731826-86-1)
- 4-Chloro-N-[2-(6-chloro-4-trifluoromethyl-pyridine-2-sulfonyl)-ethyl]-benzenesulfonamide (CAS 1311278-04-2)
- N-(3-chloro-4-methoxybenzyl)-4-(3-chloro-5-(trifluoromethyl)pyridin-2-yl)piperazine-1-carboxamide (CAS 866137-31-7)
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- 4-{[3-chloro-5-(trifluoromethyl)pyridin-2-yl]oxy}-N-(4-chlorophenyl)benzene-1-sulfonamide (CAS 338775-30-7)
- 5-Chloro-3-{[(4-chlorophenyl)sulfanyl]methyl}-1-methyl-4-({[3-(trifluoromethyl)phenyl]sulfanyl}methyl)-1H-pyrazole (CAS 318234-42-3)
- 2-{[3-chloro-5-(trifluoromethyl)pyridin-2-yl](2-{[3-chloro-5-(trifluoromethyl)pyridin-2-yl]amino}ethyl)amino}ethan-1-ol (CAS 190437-61-7)
- (5-Chloro-2-phenoxyphenyl)triphenylsilane (CAS 18866-43-8)
Recommended Standards
- 2-((5-(2-Bromophenyl)-1,3,4-oxadiazol-2-yl)thio)-N-(2-methyl-4-nitrophenyl)propanamide (CAS 332154-89-9)
- 6-[({3-[(2,4-dichlorophenyl)methoxy]phenyl}formohydrazido)carbonyl]cyclohex-3-ene-1-carboxylic acid (CAS 478039-16-6)
- 1-(2,4-Dichlorobenzyl)-2-oxo-N-(3,4,5-trimethoxyphenyl)-1,2-dihydropyridine-3-carboxamide (CAS 320419-81-6)
- Elubrixin, >98% (HPLC) (CAS 688763-64-6)
- stereoisomer of 2a-Phenyl-1,2(2a)-homo[5,6]fullerene-C60-Ih-2a-butanoic acid (CAS 161196-25-4)
- N3,N3-Dimethyl-1H-pyrazole-3,5-diamine (CAS 732981-76-9)
- 4-Nitro-5-(trifluoromethyl)pyrazole (CAS 1046462-99-0)
- 4-cyano-1-methyl-1H-pyrrole-2-carboxylic acid (CAS 1375961-42-4)
- 2-((1-(2,5-Difluorophenyl)ethyl)amino)propan-1-ol (CAS 1154992-60-5)
- Isopropyl Triflate (CAS 41029-44-1)
- 3-Fluoro-4-((6-methoxy-7-(3-(4-methylpiperazin-1-yl)propoxy)quinolin-4-yl)oxy)aniline (CAS 960299-67-6)
- 7h-[1,3]dioxolo[4,5-g]cinnoline-3-carboxylic acid (CAS 929971-97-1)
- 3-(4-Methyl-1-piperazinyl)phenylboronic Acid Pinacol Ester (CAS 747413-18-9)
- Semaglutide Impurity 148 (CAS CATO-C4X-2226148)
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