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Hydroxynorketamine (HNK) is a metabolite of ketamine which act as a potent and selective negative allosteric modulator of the α7-nicotinic acetylcholine receptor (IC50 < 1 µM). Hydroxynorketamine has only very weak affinity for the NMDA receptor (Ki = 21.19 µM and > 100 μM for (2S,6S)-HNK and (2R,6R)-HNK, respectively). In May 2016, a study published in the journal Nature determined that HNK, specifically (2S,6S;2R,6R)-HNK, is responsible for the antidepressant-like effects of ketamine in mice; administration of (2R,6R)-HNK demonstrated ketamine-type antidepressant-like effects, and preventing the metabolic conversion of ketamine into HNK blocked the antidepressant-like effects of the parent compound.
| Molecular Weight | 239.7 |
| Formula | C12H14ClNO2 |
| CAS Number | 81395-70-2 |
| Solubility (25°C) | Water 4 mg/mL |
| Storage |
Powder -20°C 3 years ; 4°C 2 years In solvent -80°C 6 months ; -20°C 1 month |
| Related AChR/AChE Products |
|---|
| AT 1001
AT 1001 is a high-affinity and selective antagonist of the α3β4 nicotinic acetylcholine receptor (α3β4 nAChR) with Ki of 2.64 nM. |
| Dihydro-β-erythroidine hydrobromide
Dihydro-β-erythroidine hydrobromide is a potent, orally active, and competitive antagonist of neuronal nAChRs. Dihydro-β-erythroidine hydrobromide shows selectivity for α4β4 and α4β2 nAChRs, with IC50s of 0.19 and 0.37 μM, respectively. |
| Spinosad
Spinosad, a mixture of spinosyns A and D known as fermentation products of a soil actinomycete (Saccharopolyspora spinosa), is a biological neurotoxic insecticide with a broader action spectrum. Spinosad targets the nicotinic acetylcholine receptor (nAChRs) of the insect nervous system. |
| TAE-1
TAE-1 is a potent inhibitor of AChE and BuChE. |
| PE154
PE154 is a potent fluorescent inhibitor of human acetylcholinesterase (AChE) and butyrylcholinesterase (BChE) (IC50s=280 pM and 16 nM, respectively). |
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