S-(4-fluoro-2-nitrophenyl) dimethylcarbamothioate CAS 1820650-79-0
| CAS No. | 1820650-79-0 |
| Molecular Formula | C9H9FN2O3S |
| Molecular Weight | 244.24 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 244.24 g/mol gives S-(4-fluoro-2-nitrophenyl) dimethylcarbamothioate distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
CATO supplies S-(4-fluoro-2-nitrophenyl) dimethylcarbamothioate (CAS 1820650-79-0), a certified reference material (molecular formula C9H9FN2O3S, MW 244.24 g/mol) for analytical method development and quality control.
Structurally, S-(4-fluoro-2-nitrophenyl) dimethylcarbamothioate (C9H9FN2O3S) contains a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone group, a hydroxyl group, an ether linkage, fluorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 6.0, corresponding to approximately 6 ring(s) or double-bond equivalent(s). With a molecular weight of 244.24 g/mol, it falls into the medium-molecular-weight range. 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 | C9H9FN2O3S |
| Molecular Weight | 244.24 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| 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) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1995 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
Related S Standards
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Recommended Standards
- Tert-butyl (3-(difluoromethyl)pyridin-4-yl)carbamate (CAS 1816284-93-1)
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- 2-(4-Methoxyphenoxy)benzoic acid (CAS 1916-04-7)
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- 1,1'-(2,4,6-Trihydroxy-1,3-phenylene)diethanone (CAS 2161-86-6)
- 2-(3-Ethyl-2-imino-2,3-dihydro-1H-benzo[d]imidazol-1-yl)acetic acid hydrobromide (CAS 436099-71-7)
- 3,5-Dibromo-2-chloro-4,6-dimethylpyridine (CAS 915946-47-3)
- 2-(1,3-Dioxoisoindolin-2-yl)ethyl benzenesulfonate (CAS 13031-58-8)
- 6ß-Hydroxy Norgestimate (CAS 108434-19-1)
- Benzyl ((1-((S)-2-amino-3-methylbutanoyl)pyrrolidin-3-yl)methyl)(ethyl)carbamate (CAS 1354033-41-2)
- 4-Chlorocyclohexanamine hydrochloride (CAS 54916-24-4)
- MYXOXANTHOPHYLL (CAS 11004-68-5)
- Liraglutide Impurity 31 (CAS CATO-C4X-199231)
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