Tetrabenazine
CAS: 58-46-8
Category: Dibenzoxazepine
| Purity | 12.5 mg Tablets, 25 mg Tablets, USP Reference Standard |
| Molecular Formula | C19H27NO3 |
| Molecular Weight | 317.42 |
| Appearance | White to off-white crystalline powder |
| Packaging | 1 kg–5 kg / foil-aluminum pouch in HDPE drum |
| Testing Indicators | Appearance — Visual inspection; Melting point — Capillary; Purity — HPLC; Identification — LC-MS, NMR; Geometric isomers — HPLC; Residual solvents — HS-GC; Heavy metals — ICP-MS; Loss on drying — Gravimetry; Microbial limits — Membrane filtration. |
| Storage Notes | Stored at 2–8 °C under nitrogen in a well-closed, light-proof container; keep away from oxidizing agents and moisture. |
| Lead Time | 10 days |
Used as the VMAT-2 inhibitor precursor for finished-dose facilities producing chorea and movement-disorder medicines.