Sodium 2-nitro-4-(trifluoromethyl)benzenesulfinate CAS 1233506-34-7
| CAS No. | 1233506-34-7 |
| Molecular Formula | C7H3F3NO4S |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 277.15 g/mol gives Sodium 2-nitro-4-(trifluoromethyl)benzenesulfinate distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
Sodium 2-nitro-4-(trifluoromethyl)benzenesulfinate (CAS 1233506-34-7), molecular formula C7H3F3NO4SNa and molecular weight 277.15 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C7H3F3NO4SNa, Sodium 2-nitro-4-(trifluoromethyl)benzenesulfinate contains an amide group, a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, fluorine substitution, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 277.15 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).
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
As a certified reference material (CRM), Sodium 2-nitro-4-(trifluoromethyl)benzenesulfinate 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 | C7H3F3NO4S Na |
| Molecular Weight | 277.15 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, water |
| 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) | 5.5 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1990 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related Sodium Standards
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Recommended Standards
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- 1,4-Bis(4-bromophenyl)anthracene-9,10-dione (CAS 921598-96-1)
- 2-((Cyclobutylmethyl)amino)thiazole-5-sulfonamide (CAS 1258675-69-2)
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