(S)-4-Ethyl-3-(3-methoxyphenyl)oxazolidin-2-one CAS 572923-01-4
| CAS No. | 572923-01-4 |
| Molecular Formula | C12H15NO3 |
| Molecular Weight | 221.25 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including (S)-4-Ethyl-3-(3-methoxyphenyl)oxazolidin-2-one.
(S)-4-Ethyl-3-(3-methoxyphenyl)oxazolidin-2-one (CAS 572923-01-4), molecular formula C12H15NO3 and molecular weight 221.25 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C12H15NO3, (S)-4-Ethyl-3-(3-methoxyphenyl)oxazolidin-2-one contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 221.25 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), (S)-4-Ethyl-3-(3-methoxyphenyl)oxazolidin-2-one meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C12H15NO3 |
| Molecular Weight | 221.25 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| 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; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1984 |
| Nitrogen Atoms | 1 |
Recommended Standards
- (R)-4-oxo-4-((1-phenylethyl)amino)butanoic acid (CAS 21752-33-0)
- (S)-4-Ethyl-3-(4-methoxyphenyl)oxazolidin-2-one (CAS 572923-07-0)
- (R)-4-Benzyl-3-morpholinecarboxylic Acid (CAS 929047-50-7)
- (S)-Methyl 2-acetamido-3-phenylpropanoate (CAS 67654-58-4)
- 3-Bromo-4-methyl-5-nitropyridin-2-amine (CAS 929976-32-9)
- 6-Chloro-4-phenyl-pyridin-2-ylamine (CAS 1211525-26-6)
- Methyl 2-(2,6-difluoro-3-nitrophenyl)acetate (CAS 361336-79-0)
- 4,5-dichloro-3-nitro-pyridin-2-amine (CAS 662116-67-8)
- (2S,4S)-4-(2-(tert-Butoxy)-2-oxoethyl)-1-(tert-butoxycarbonyl)-5-oxopyrrolidine-2-carboxylic acid (CAS 1243255-37-9)
- (Z)-2-amino-1-(4-methoxyphenyl)ethan-1-one oxime (CAS 82585-39-5)
- Methyl 2-isopropylpyrrolidine-1-carboxylate (CAS 342878-54-0)
- Levothyroxine Impurity 25 (CAS CATO-C4X-167825)
- Carbidopa Impurity 33 (CAS CATO-C4X-231033)
- Semaglutide impurity 69 (CAS CATO-C4X-222669)
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