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Image	Description	Biochem/physiol Actions	CAS Number	Product #
	(−)-Cotinine ~98%	Major metabolite of nicotine in humans.	486-56-6	C5923
	(±)-Vesamicol hydrochloride >98%, solid	Potent inhibitor of vesicular acetylcholine storage.	120447-62-3	V100
	14-Acetylvirescenine from Delphinium sp. ≥99% (TLC), white powder	Blocks the propagation of the action potential at the nicotinic cholinoreceptors of vegetative ganglia and neuro-muscular junctions. Hypotensive and curare-like action, I.V. and orally.		A6472
	Acetylethylcholine mustard hydrochloride >97% (GC), solid	Acetylethylcholine mustard is a precursor for ethylcholine mustard aziridinium ion (AF-64A); irreversible ligand for the high affinity choline transport system; specific presynaptic long action cholinotoxin; inhibitor of choline acetyl-transferase.	103994-00-9	C001
	Aminobenztropine solid	High affinity muscarinic ligand that has been used for affinity purification of muscarinic cholinergic receptors.		A138
	Bromoacetylcholine bromide		22004-27-9	B121
	Choline bitartrate	Acyl group acceptor	87-67-2	C1629
	Choline chloride reagent grade, ≥98%	Acyl group acceptor	67-48-1	C1879
	Choline-¹³C₁ bromide (methyl-¹³C₁) 99 atom % ¹³C			488593
	Dithiobiuret 97%, solid		541-53-7	D3190
	Hemicholinium-3 solid, ≥95% (HPLC)	Potent and selective choline uptake blocker.	312-45-8	H108
	Linopirdine ≥98% (HPLC)	Stimulates release of acetylcholine and other neurotransmitters; cognitive enhancer.	105431-72-9	L134
	Phenserine ≥98% (HPLC), solid	(-)-Phenserine, a phenylcarbamate derivative, is a selective, non-competitive inhibitor of acetylcholinesterase (AChE). (-)-Phenserine produces rapid, potent, and long-lasting AChE inhibition, in vivo. It is significantly less toxic than (-)-physostigmine. (-)-Phenserine improves cognitive performance in both young learning-impaired and elderly rats. Reduced secretion of β-amyloid (Abeta) has been observed in cell lines exposed to (-)-phenserine, occurring through translational regulation of β-amyloid precursor protein (beta-APP) mRNA via a non-cholinergic mechanism. These in vitro findings appear to translate in vivo into animal models and humans.	101246-66-6	P0111
	Tropine 2-(phenylthio)butanoate oxalate salt ≥98%	Potent analgesic. Causes increased release of acetylcholine at central muscarinic synapses.	155059-55-5	T7556
	WB64 solid	Ligand for allosteric site of the M₂ muscarinic receptor.		W4761
	α-Bungarotoxin-tetramethylrhodamine from Bungarus multicinctus (Formosan Banded Krait)	Useful for detecting the distribution of nicotinic acetylcholine receptors at neuromuscular junctions.		T0195
	β-Bungarotoxin from Bungarus multicinctus (Formosan Banded Krait)	Phospholipase A₂ neurotoxin; destroys synaptic vesicles and inhibits acetylcholine release.		T5644

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