| Identification | Back Directory |  [Name]
  Avermectin A1a, 5-O-demethyl-25-de(1-methylpropyl)-22,23-dihydro-25-(1-methylethyl)- |  [CAS]
  70209-81-3 |  [Synonyms]
  Component B1b Ivermectin B1b IvermectinH2B1b avermectin H2B1b Dihydroavermectin B1b 22,23-Dihydroavermectin B1b 22,23- dihydroavermectin B1b (Ivermectin B1b) 22,23-Dihydro-34-nor-5-O-demethylavermectin A1a DihydroaverMectin B1b, 22,23-DihydroaverMectin B1b 22,23-Dihydro-5-O-demethyl-25-de(1-methylpropyl)-25-isopropylavermectin A1a 5-O-Demethyl-25-de(1-methylpropyl)-22,23-dihydro-25-(1-methylethyl)avermectin A1a Avermectin A1a, 5-O-demethyl-25-de(1-methylpropyl)-22,23-dihydro-25-(1-methylethyl)- |  [EINECS(EC#)]
  274-384-5 |  [Molecular Formula]
  C47H72O14 |  [MDL Number]
  MFCD00866559 |  [MOL File]
  70209-81-3.mol |  [Molecular Weight]
  861.07 |  
 | Chemical Properties | Back Directory |  [Boiling point ]
  934.1±65.0 °C(Predicted) |  [density ]
  1.24±0.1 g/cm3(Predicted) |  [storage temp. ]
  Store at -20°C |  [solubility ]
  DMF: Soluble; DMSO: Soluble; Ethanol: Soluble; Methanol: Soluble |  [form ]
  A solid |  [pka]
  12.42±0.70(Predicted) |  [color ]
  White to off-white |  [Stability:]
  Temperature sensitive |  [InChIKey]
  VARHUCVRRNANBD-PVVXTEPVSA-N |  
 | Hazard Information | Back Directory |  [Uses]
  Ivermectin B1b (dihydroavermectin B1b) is the minor component (<20%) of the commercial anthelmintic, ivermectin. Members of the avermectin/milbemycin anthelmintic class exert their anthelmintic effects by binding to glutamate-gated chloride channels expressed on nematode neurones and pharyngeal muscle cells. The avermectin/milbemycins are also potent insecticides. In vitro, the B1b (25-iso-propyl) analogue is slightly more potent than the 25-sec-butyl (B1a) analogue as an inhibitor of nematode larval development and paralysis, and also a more sensitive probe for ivermectin resistance. |  [Definition]
  ChEBI: A macrocyclic lactone that is avermectin B1b in which the double bond present in the spirocyclic ring system has been reduced to a single bond. It is the minor component of ivermectin. |  [Brand name]
  Stromectol (Merck). |  [in vivo]
 
 Ivermectin B1b causes snail death[1].
   |  [storage]
  Store at -20°C |  
  
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