3-(2-Chlorophenyl)-2-imino-5-(2-(4-methoxyphenyl)-2-oxoethylidene)oxazolidin-4-one CAS 89844-67-7
| CAS No. | 89844-67-7 |
| Molecular Formula | C18H13ClN2O4 |
| Molecular Weight | 356.76 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
3-(2-Chlorophenyl)-2-imino-5-(2-(4-methoxyphenyl)-2-oxoethylidene)oxazolidin-4-one (CAS 89844-67-7) is a high-purity analytical reference standard with the molecular formula C18H13ClN2O4 and a molecular weight of 356.76 g/mol.
Based on its molecular formula C18H13ClN2O4, 3-(2-Chlorophenyl)-2-imino-5-(2-(4-methoxyphenyl)-2-oxoethylidene)oxazolidin-4-one contains a flavonoid core, an amide group, a hydroxyl group, an ether linkage, chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 356.76 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. 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 | C18H13ClN2O4 |
| Molecular Weight | 356.76 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) | 13.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1982 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
Related Chlorophenyl Standards
- N-(2-Chlorophenyl)-1-(4-nitrobenzyl)-1H-imidazole-4-carboxamide (CAS 1351799-52-4)
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- 1-(4-Chlorophenyl)-3-(2,3-dihydrobenzo[b][1,4]dioxin-6-yl)-1H-pyrazole-5-carboxylic acid (CAS 618383-02-1)
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Recommended Standards
- 2-(4-Chloro-2-methylphenoxy)-N'-(1,3-dioxo-1,3-dihydro-2H-inden-2-ylidene)acetohydrazide (CAS 946386-07-8)
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- 1,3-Dimethyltetravinyldisiloxane (CAS 69519-51-3)
- Azothoate (CAS 5834-96-8)
- 4-[4-(4-Chloro-phenoxy)-phenyl]-2,4-dioxo-butyric acid ethyl ester (CAS 74649-80-2)
- 4-((3-Aminopropyl)amino)butanoic acid (CAS 66165-33-1)
- 1-(tert-Butyl)-3-cyclopropoxybenzene (CAS 1243368-24-2)
- 2-Amino-4-[(methylthio)methyl]pyridine (CAS 179554-98-4)
- (4-Ethoxyphenyl)(2-((pyridin-3-ylmethyl)thio)-4,5-dihydro-1H-imidazol-1-yl)methanone (CAS 851807-44-8)
- 1-((3,4-Dimethoxyphenyl)sulfonyl)-4-hydroxypyrrolidine-2-carboxylic acid (CAS 251097-85-5)
- 1233513-45-5 N-Methyl-2-(1,1,2,2-tetrafluoroethoxy)aniline MFCD11655739 (CAS 1233513-45-5)
- 5-Phenyl-1,2,4-oxadiazole-3-carbohydrazide (CAS 90323-71-0)
- (2S)-5,7-Dihydroxy-2-[4-[2,4,6-Trihydroxy-3-[(E)-3-(4-Hydroxyphenyl)Prop-2-Enoyl]-5-[(2S,3R,4R,5S,6R)-3,4,5-Trihydroxy-6-(Hydroxymethyl)Oxan-2-Yl]Phenoxy]Phenyl]Chroman-4-One (CAS 77782-91-3)
- Des-Ala28-Tirzepatide (CAS CATO-CPTD788945)
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