Dihydroergotamine (mesylate)
CAS: 6190-39-2
Category: Alkaloids
| Purity | Peptide/Alkaloid Grade ≥95%, High-Purity Grade ≥98%, Pharmaceutical Grade ≥99% |
| Molecular Formula | C34H41N5O8S |
| Molecular Weight | 679.78 |
| Appearance | white to off-white crystalline powder |
| Packaging | 1 g/amber glass vial, 5 g/lyophilized bottle. |
| Testing Indicators | Appearance — Visual inspection; Identification — IR, Fluorescence; Purity — Gradient RP-HPLC; Methanesulfonate — Titration; Residual solvents — HS-GC; Heavy metals — ICP-MS; Moisture — Karl Fischer titration; Microbial limits — Pour plate; Ergot alkaloids — TLC. |
| Storage Notes | Stored at 2-8°C in a tightly closed container under inert atmosphere, protected from light, moisture, and heat. |
| Lead Time | days |
Used as an ergot alkaloid intermediate in the synthesis of vasoconstrictive agents for acute migraine and orthostatic hypotension treatment.