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E4625 16,17-Epoxy-21-acetoxypregnenolone ≥98%  
D4875 16-Dehydropregnenolone acetate ≥95%  
H5002 17α-Hydroxypregnenolone  
P5902 3α,12α-Dihydroxy-5β-pregnan-20-one 3,12-diacetate  
P2016 3α,21-Dihydroxy-5α-pregnan-20-one ≥95% Positive allosteric modulator of GABAA receptors.
P5052 5α-Pregnan-3α-ol-11,20-dione powder, ≥98% (TLC) Synthetic steroid compound alphaxalone (AFX) - 5α-Pregnan-3α-ol-11,20-dione- is a neurosteroid that directly activates and potentiates GABAA receptor-activated membrane current (IGABA). It acts as a positive allosteric modulator of the GABAA receptor; anesthetic. The alpha subunit subtype of GABAA determines the efficacy, but not the potency, of AFX neuroactive steroid to potentiate IGABA.
P8887 5α-Pregnan-3α-ol-20-one solid Positive allosteric modulator of GABAA chloride channel.
P8004 5α-Pregnan-3β-ol-20-one 3β-acetate ≥98%  
SML0266 AA 29504 ≥98% (HPLC) AA29504 is a GABAA positive modulator with a preference for extra-synaptic α4β3δ over α1β3γ2s synaptic receptors. AA29504 exhibits anxiolytic effects and reduces motor coordination in rat models.
C0987 CGP-13501 ≥98% (HPLC), solid Positive allosteric modulator of GABAB receptors.
D5821 DS2 ≥98% (HPLC) DS2 is a selective positive allosteric modulator of δ-GABAA receptors.
D5297 Dehydroisoandrosterone 3-sulfate sodium salt dihydrate ≥93% (TLC), powder Dehydroisoandrosterone 3-sulfate sodium salt dihydrate is a negative allosteric modulator of GABAA receptors.
SML0295 Dihydromyricetin ≥98% (HPLC) Dihydromyricetin (Ampelopsin) is a flavanonol with antioxidant and anti-cancer activity, found to have anti-alcohol intoxication effects. Its anti-alcohol effects appear to be by its actions as a positive modulator of GABA-A receptors at the benzodiazepine site.
G007 Guvacine hydrochloride ≥97% (NMR), solid GABA uptake inhibitor.
N4034 NCS-356 sodium salt hydrate solid, ≥98% (HPLC) γ-Hydroxybutyrate (GHB) receptor agonist.
N4159 NCS-382 hydrate solid, ≥98% (HPLC) γ-Hydroxybutyrate (GHB) receptor antagonist; anti­convulsant.
N142 NO-711 hydrochloride ≥98% (HPLC) NO-711 is a potent and selective GABA uptake inhibitor that crosses the blood-brain barrier.
211672 Nipecotic acid 98%  
P162 Pregnenolone sulfate sodium salt Neurosteroid that antagonizes the GABAA receptor chloride channel.
SML0228   Rc-Ome ≥98% (HPLC) Rc-OMe is a GABAA PAM that distinguishes α1β2γ2s from α1β2 receptors. The compound has very weak potentiating effects on α1β2, but potentiates GABA-elicited currents of α(123)β2γ2s receptors, all with low μM EC50s. Rc-OMe acts at a binding site that is distinct from BDZ, pentobarbital and loreclezole modulatory sites.
SML0035 Tiagabine hydrochloride ≥98% (HPLC) Tiagabine hydrochloride is an anticonvulsant and selective GABA reuptake inhibitor through inhibition of the synaptic GABA transporter GAT1.
Tiagabine increases the synaptic GABA and enhances the neuronal inhibition. It is effective as adjunctive treatment of epilepsy and anxiety disorders.
SML0275 rac BHFF ≥98% (HPLC) rac BHFF is an orally active, potent and selective positive allosteric modulator of GABA-B. rac BHFF increases the potency and efficacy of GABA.