4-(3-(3',6'-DIhydroxy-3-oxo-3h-spiro[isobenzofuran-1,9'-xanthen]-5-yl)thioureido)butanoic acid CAS 1803631-03-9
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1803631-03-9 |
| Molecular Formula | C25H20N2O7S |
| Molecular Weight | 492.50 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-(3-(3',6'-DIhydroxy-3-oxo-3h-spiro[isobenzofuran-1,9'-xanthen]-5-yl)thioureido)butanoic acid (CAS 1803631-03-9) is a pharmaceutical standards certified reference material from CATO. Molecular formula: C25H20N2O7S. Molecular weight: 492.50 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C25H20N2O7S |
| Molecular Weight | 492.50 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) | 17.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1995 |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
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