1142204-44-1 9301AC C19H21ClN2O4 [(2-{[2-(4-Chlorophenyl)ethyl]amino}-2-oxoethyl)-(4-methoxyphenyl)amino]acetic acid CAS 1142204-44-1
| CAS No. | 1142204-44-1 |
| Molecular Formula | C19H21ClN2O4 |
| Molecular Weight | 376.83 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.
1142204-44-1 9301AC C19H21ClN2O4 [(2-{[2-(4-Chlorophenyl)ethyl]amino}-2-oxoethyl)-(4-methoxyphenyl)amino]acetic acid (CAS 1142204-44-1) is a high-purity analytical reference standard with the molecular formula C19H21ClN2O4 and a molecular weight of 376.83 g/mol.
Structurally, 1142204-44-1 9301AC C19H21ClN2O4 [(2-{[2-(4-Chlorophenyl)ethyl]amino}-2-oxoethyl)-(4-methoxyphenyl)amino]acetic acid (C19H21ClN2O4) contains a flavonoid core, an amide group, a hydroxyl group, an ether linkage, chlorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 10.0, corresponding to approximately 10 ring(s) or double-bond equivalent(s). With a molecular weight of 376.83 g/mol, it falls into the moderately-high-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
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 | C19H21ClN2O4 |
| Molecular Weight | 376.83 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 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) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1989 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
Recommended Standards
- 1142204-34-9 9296AC C19H21ClN2O4 [(2-{[2-(2-Chlorophenyl)ethyl]amino}-2-oxoethyl)-(4-methoxyphenyl)amino]acetic acid (CAS 1142204-34-9)
- Glafenine-d4 (CAS 1794783-64-4)
- [(2-{[2-(3-Chlorophenyl)ethyl]amino}-2-oxoethyl)-(4-methoxyphenyl)amino]acetic acid (CAS 1142204-29-2)
- 1-(4-Chlorophenyl)-3-[(3R,4R)-3-(hydroxymethyl)-8-methoxy-3,4-dihydro-2H-1-benzopyran-4-yl]-3-methylurea (CAS 318951-56-3)
- Cyclobutylmethyl 3-pyrrolidinylmethyl etherhydrochloride (CAS 1220032-61-0)
- 3-Ethoxy-2-fluoro-4-methoxyphenylboronic acid (CAS 2096334-14-2)
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- 3X Flag Peptide trifluoroacetate salt (CAS 402750-12-3)
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