Ivermectin B1a

Ivermectin B1a is the main component (>80%) of the anthelmintic ivermectin, which also contains ivermectin B1b (23824). It produces antiparasitic activity by binding to glutamate-gated chloride channels expressed on nematode neurons and pharyngeal muscle cells, inducing irreversible channel opening and very long-lasting hyperpolarization/depolarization of the neuron/muscle cell, thereby blocking further function (EC50 = 104 nM). Formulations containing ivermectin inhibit replication of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) in Vero/hSLAM cells.Formal Name: 5-O-demethyl-22,23-dihydro-avermectin A1a. CAS Number: 71827-03-7. Synonyms: 22,23-dihydro Avermectin B1a. Molecular Formula: C48H74O14. Formula Weight: 875.1. Purity: >95%. Formulation: (Request formulation change), A solid. Solubility: DMSO: soluble. SMILES: C/C([C@@H](O[C@@]1([H])C[C@H](OC)[C@@H](O[C@]2([H])O[C@@H](C)[C@H](O)[C@@H](OC)C2)[C@H](C)O1)[C@@H](C)/C=C/C=C(CO3)/[C@@]([C@@]3([H])[C@H](O)C(C)=C4)(O)[C@]4([H])C5=O)=C\C[C@]6([H])C[C@@](O5)([H])C[C@]7(CC[C@H](C)[C@]([C@H](CC)C)([H])O7)O6. InChi Code: InChI=1S/C48H74O14/c1-11-25(2)43-28(5)17-18-47(62-43)23-34-20-33(61-47)16-15-27(4)42(26(3)13-12-14-32-24-55-45-40(49)29(6)19-35(46(51)58-34)48(32,45)52)59-39-22-37(54-10)44(31(8)57-39)60-38-21-36(53-9)41(50)30(7)56-38/h12-15,19,25-26,28,30-31,33-45,4. InChi Key: AZSNMRSAGSSBNP-XPNPUAGNSA-N.