N-(3-chloro-1,4-dioxo-1,4-dihydronaphthalen-2-yl)-N-phenethylacetamide CAS 378753-48-1
| CAS No. | 378753-48-1 |
| Molecular Formula | C20H16ClNO3 |
| Molecular Weight | 353.80 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies N-(3-chloro-1,4-dioxo-1,4-dihydronaphthalen-2-yl)-N-phenethylacetamide (CAS 378753-48-1), a certified reference material (molecular formula C20H16ClNO3, MW 353.80 g/mol) for analytical method development and quality control.
Structurally, N-(3-chloro-1,4-dioxo-1,4-dihydronaphthalen-2-yl)-N-phenethylacetamide (C20H16ClNO3) contains a steroid 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 353.80 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.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
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 | C20H16ClNO3 |
| Molecular Weight | 353.80 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 chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; 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 | 1 |
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Recommended Standards
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- 2,3,4,5-Tetrachlorothiophene (CAS 6012-97-1)
- 2-(3,4-Difluorophenyl)acetamide (CAS 861393-53-5)
- 3-(3,4-Dimethylphenoxy)-N-methylpropan-1-amine (CAS 915923-36-3)
- 3-Iodo-5,7-dimethyl-1H-indazole (CAS 847906-31-4)
- 1-(2-Ethoxy-2-Oxoethyl)-4-(Ethoxycarbonyl)Pyridin-1-Ium Chloride (CAS 97744-51-9)
- (4R,4'R)-2,2'-Methylenebis[4,5-dihydro-4-(phenylmethyl)oxazole] (CAS 1646862-39-6)
- 3-(3-(1H-imidazol-1-yl)propoxy)benzaldehyde hydrochloride (CAS 1373519-51-7)
- [D-Ser6]-Semaglutide (CAS CATO-C4X-2226287)
Why CATO?
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