Sodium 5-((2-(3-((methylthio)sulfonyl)propanamido)ethyl)amino)naphthalene-1-sulfonate CAS 359436-83-2
| CAS No. | 359436-83-2 |
| Molecular Formula | C16H19N2O6S3 |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Sodium 5-((2-(3-((methylthio)sulfonyl)propanamido)ethyl)amino)naphthalene-1-sulfonate (CAS 359436-83-2), molecular formula C16H19N2O6S3Na and molecular weight 454.51 g/mol, is a CATO reference standard with documented purity and traceability.
Sodium 5-((2-(3-((methylthio)sulfonyl)propanamido)ethyl)amino)naphthalene-1-sulfonate (C16H19N2O6S3Na) contains a flavonoid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage. It is notably hygroscopic, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
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.
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 | C16H19N2O6S3 Na |
| Molecular Weight | 454.51 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 |
| Degree of Unsaturation (DBE) | 8.5 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 3 |
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Recommended Standards
- 2,6-Dichloro-3-phenylpropiophenone (CAS 898788-99-3)
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- (E)-4-(3-Oxo-3-(p-tolyl)prop-1-en-1-yl)benzoic acid (CAS 525597-00-6)
- Methyl 3-amino-3-methylbutanoate (CAS 29637-56-7)
- tert-butyl N-[(1R,3R)-3-aminocyclohexyl]carbamate (CAS 1788036-23-6)
- 2,3-dibromo-4,5-diethoxybenzaldehyde (CAS 486994-08-5)
- 5-tert-butyl-3-(chloromethyl)-1H-1,2,4-triazole hydrochloride (CAS 1803592-05-3)
- 3-((2S,3R,4S,5R)-3,4-Dihydroxy-5-(hydroxymethyl)tetrahydrofuran-2-yl)-1H-pyrazolo[4,3-d]pyrimidine-7(4H)-thione (CAS 13263-91-7)
- Semaglutide Impurity 149 (CAS CATO-C4X-2226149)
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