Product name:

Pergolide Mesylate

Empirical formula:

C₂₀H₃₀N₂O₃S₂

Molecular weight:

410.6

CAS:

[66104-23-2]

Description:

Almost white crystalline powder

Identity

    Specific optical rotation:

-23.0 to –17.0°

    IR:

Complies

    HPLC:

Complies

Chromographic purity

    Pergolide sulfoxide:

NMT 0.10 %

    Methylpergolide:

NMT 0.10 %

    Cyanpergolide:

NMT 0.10 %

    Norpergolide:

NMT 0.10 %

    Total:

NMT 0.50 %

Sulphated ash:

NMT 0.10 %

Residual solvents

    Dichloromethane:

NMT 200 ppm

    Ethanol:

NMT 3,000 ppm

    Methanol:

NMT 200 ppm

Assay:

97.5 – 102.0 %