p-Guanidinobenzenesulfonic Acid CAS 25156-39-2
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 25156-39-2 |
| Molecular Formula | C7H9N3O3S |
| Molecular Weight | 215.23 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
p-Guanidinobenzenesulfonic Acid (CAS 25156-39-2) is a pharmaceutical standards certified reference material from CATO. Molecular formula: C7H9N3O3S. Molecular weight: 215.23 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C7H9N3O3S |
| Molecular Weight | 215.23 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) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1964 |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 1 |
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Why CATO?
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