Methylthiouracil
CAS: 56-04-2
Category: Nucleosides
| Purity | Pharmaceutical Grade, Technical Grade, Research Chemical Grade. |
| Molecular Formula | C5H6N2OS |
| Molecular Weight | 142.18 |
| Appearance | white to pale yellow crystalline powder |
| Packaging | 25 kg/multi-layer paper bag, 1 kg/aluminum foil bag. |
| Testing Indicators | Appearance — Visual inspection; Melting point — Capillary; Purity — HPLC; Identification — IR, UV; Heavy metals — ICP-MS; Loss on drying — Gravimetry; Microbial limits — Plating; Thiouracil impurities — TLC; Residue on ignition — Muffle furnace. |
| Storage Notes | Stored in a cool, dry, and well-ventilated place at room temperature in a tightly closed container, protected from light and oxidizing agents. |
| Lead Time | 10 days |
Used as an antithyroid intermediate in the synthesis of oral agents for hyperthyroidism and Graves' disease management.