Sprinonolactone

Product:Sprinonolactone
Product:Sprinonolactone
Appearance:White or off-white crystalline powder
Melting point:198°C ~ -209°C
Specific rotation:-33°~ -37°(t=20°C)
Loss on drying:≤0.5%
Limit of Mercapto Compounds: ≤0.10ml
Ordinary impurities:≤2%
Methanol:≤3000ppm
Tetrahydrofuran
:≤720ppm

Assay:97.0%---103% HPLC