PR1MA™  Spectinomycin Dihydrochloride Pentahydrate

CAS Number: 22189-32-8
Molecular Weight: 495.3
Chemical Formula: C₁₄H₂₄N₂O₇ • 2HCl • 5H₂O
Solubility: Water
Storage Temperature: 2-8°C

Aminocyclitol antibiotic that inhibits protein synthesis. Cell culture tested.


Research or further manufacturing use only, not for food or drug use.

• Appearance: White or almost white, Slightly hygroscopic powder
• Identification: Pass Test
• pH @25 °C: 3.8 - 5.6
• Potency : ≥ 603 IU/mg
• Residue after Ignition: ≤ 1.0 %
• Solubility: Clear and colorless to light yellow
• Specific Rotation: +15 - +21 °
• Water (KF): 16.0 - 20.0 %