2-Amino-4-phosphonobenzenesulfonic acid CAS 61433-33-8
| CAS No. | 61433-33-8 |
| Molecular Formula | C6H8NO6PS |
| Molecular Weight | 253.17 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
2-Amino-4-phosphonobenzenesulfonic acid (CAS 61433-33-8) is a high-purity analytical reference standard with the molecular formula C6H8NO6PS and a molecular weight of 253.17 g/mol.
Based on its molecular formula C6H8NO6PS, 2-Amino-4-phosphonobenzenesulfonic acid contains a carbohydrate-derived structure, an amide group, a sulfone group, a phosphate ester group; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 253.17 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. 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).
CATO manufactures 2-Amino-4-phosphonobenzenesulfonic acid under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C6H8NO6PS |
| Molecular Weight | 253.17 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| 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 |
| Degree of Unsaturation (DBE) | 3.5 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1974 |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
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