Spectinomycin dihydrochloride pentahydrate CAS Number:22189-32-8 Purity:≥95% Molecular Weight:495 Appearance: Powder Physical State: Solid Storage: Store at -20° C Melting Point: 210 °C Boiling Point: 583.1 °C at 760 mmHg (Predicted) Refractive Index: n20D ~1.59 (Predicted Application:An aminocylcitol antibiotic Email: cx05 (at) yccreate (dot) com Skype: annaaqq Mob: 86 18872220795