(R)-(3-(3-fluoro-4-thiomorpholinophenyl)-2-oxooxazolidin-5-yl)methyl 4-methylbenzenesulfonate CAS 168828-73-7
| CAS No. | 168828-73-7 |
| Molecular Formula | C21H23FN2O5S2 |
| Molecular Weight | 466.55 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 466.55 g/mol gives (R)-(3-(3-fluoro-4-thiomorpholinophenyl)-2-oxooxazolidin-5-yl)methyl 4-methylbenzenesulfonate distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
(R)-(3-(3-fluoro-4-thiomorpholinophenyl)-2-oxooxazolidin-5-yl)methyl 4-methylbenzenesulfonate (CAS 168828-73-7), molecular formula C21H23FN2O5S2 and molecular weight 466.55 g/mol, is a CATO reference standard with documented purity and traceability.
Owing to a flavonoid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage, fluorine substitution, (R)-(3-(3-fluoro-4-thiomorpholinophenyl)-2-oxooxazolidin-5-yl)methyl 4-methylbenzenesulfonate is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 466.55 g/mol — guide the selection of appropriate sample preparation and analytical techniques. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
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 | C21H23FN2O5S2 |
| Molecular Weight | 466.55 g/mol |
| 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) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2005 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 2 |
Related R Standards
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Recommended Standards
- (S)-(2'-Ethyl-[1,1'-binaphthalen]-2-yl)diphenylphosphine (CAS 144868-17-7)
- 1-(4-(Pentyloxy)phenyl)-2-(triphenylphosphoranylidene)ethanone (CAS 62179-81-1)
- (R)-(2'-Ethyl-[1,1'-binaphthalen]-2-yl)diphenylphosphine (CAS 137769-32-5)
- 2-((5-(4-Hydroxyphenyl)-4-methyl-4H-1,2,4-triazol-3-yl)thio)-N-(naphthalen-2-yl)-N-phenylacetamide (CAS 482646-89-9)
- 1-(2,4-Dimethylphenoxy)-3-(4-methylpiperidin-1-yl)propan-2-ol hydrochloride (CAS 478614-56-1)
- py-py-cof (CAS 2185790-08-1)
- 3-(2-Chloroacetamido)-4-methylbenzoic acid (CAS 731011-85-1)
- Pramipexole Impurity 69 (CAS CATO-C4X-110769)
- Bis(4-chlorophenyl)-4h-1,2,4-triazole-3-thiol (CAS 31405-28-4)
- Methyl 3-(2-bromoacetamido)benzoate (CAS 257622-59-6)
- (2,5-Dimethylphenyl)(3-hydroxyazetidin-1-yl)methanone (CAS 1342569-67-8)
- Canagliflozin Impurity 88 (CAS CATO-C4X-112388)
- 3-(3,4-Dimethoxyphenyl)prop-2-yn-1-ol (CAS 6258-35-1)
- Liraglutide Impurity 5 TFA Salt (CAS CATO-C4X-19925)
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