Sodium 2,5-difluoro-4-methylbenzene-1-sulfinate CAS 1499532-43-2
| CAS No. | 1499532-43-2 |
| Molecular Formula | C7H5F2O2S |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
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.
CATO supplies Sodium 2,5-difluoro-4-methylbenzene-1-sulfinate (CAS 1499532-43-2), a certified reference material (molecular formula C7H5F2O2SNa, MW 214.16 g/mol) for analytical method development and quality control.
Structurally, Sodium 2,5-difluoro-4-methylbenzene-1-sulfinate (C7H5F2O2SNa) contains a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, fluorine substitution, an aromatic ring system. The molecule exhibits a degree of unsaturation (DBE) of 4.5, corresponding to approximately 4 ring(s) or double-bond equivalent(s). With a molecular weight of 214.16 g/mol, it falls into the medium-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
As a certified reference material (CRM), Sodium 2,5-difluoro-4-methylbenzene-1-sulfinate 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 | C7H5F2O2S Na |
| Molecular Weight | 214.16 g/mol |
| Purity | 97%+ |
| Storage | Store at room temperature, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 4.5 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1992 |
| Halogen Content | F-containing |
| Sulfur Atoms | 1 |
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Recommended Standards
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- 5-((5-Amino-4-(piperidin-4-ylamino)pyridin-2-yl)amino)pyrazine-2-carbonitrile (CAS 1137475-64-9)
- 2-((4-Chloro-N-(2,4-dichloro-5-isopropoxyphenyl)phenyl)sulfonamido)-N-methylacetamide (CAS 338967-46-7)
- H-Cys(Bzl)-AMC (CAS 80173-27-9)
- 2-((4-Ethyl-5-(pyrazin-2-yl)-4H-1,2,4-triazol-3-yl)thio)-N-mesitylacetamide (CAS 577789-78-7)
- Tau Peptide (277-291) trifluoroacetate salt (CAS 330456-40-1)
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