Lithium4-vinylbenzenesulfonate CAS 4551-88-6
| CAS No. | 4551-88-6 |
| Molecular Formula | C8H7O3S |
| Molecular Weight | N/A |
| 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 Lithium4-vinylbenzenesulfonate.
Lithium4-vinylbenzenesulfonate (CAS 4551-88-6) is a high-purity analytical reference standard with the molecular formula C8H7O3SLi and a molecular weight of 190.14 g/mol.
Lithium4-vinylbenzenesulfonate (C8H7O3SLi) contains a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, an aromatic ring system. It is notably hygroscopic, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. 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), Lithium4-vinylbenzenesulfonate 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 | C8H7O3S Li |
| Molecular Weight | 190.14 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 5.5 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1958 |
| Sulfur Atoms | 1 |
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Recommended Standards
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- (5-(3-Methoxyphenyl)pyridin-3-yl)methanamine (CAS 1356110-88-7)
- Methyl 3-amino-3-(2-bromo-3-methylphenyl)propanoate (CAS 1823002-50-1)
- 1-(4-((Trifluoromethyl)thio)phenyl)ethanamine (CAS 871519-25-4)
- 1-(4-Fluorophenyl)-3-(thiazol-2-yl)thiourea (CAS 457-82-9)
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