an antihypoxic.

Mixture of polymers of proanthainanydines at various stages of polymerisation, (C₁₅H₁₃O₇)-[C₁₅H₁₂O₇]n-(C₁₅H₁₃O₇) from plants of the Polygonaceae family.

• Molecular Weight : ~7 800 Da.
  
  
• Melting Point : 290-300°C (decomp)
  
  
• Solubility in : well in water and 40% ethanol.
  
  
• Purity min. : 95% (TCL).
  
  
• Toxicity (LD₅₀) : mice (i.p.) : 410 mg/kg. mice (i.v.) : 75 mg/kg. mice (orally) : 3 000 mg/kg.
  
  
• Storage recommendations : Store at +4°C, in dark place.
  
  
• CAS Reg. No. : 135151-34-7
  
  
• Bibliography :
  
  1. Makhmatkulov et al., Chem. Nat. Comp. (1992). 1:59