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Image	Description	Biochem/physiol Actions	CAS Number	Product #
	1-Methyl-4-(2′-methylphenyl)-1,2,3,6-tetrahydropyridine hydrochloride solid	Dopaminergic neurotoxin that is more toxic in mice than MPTP.	102417-86-7	M103
	1-Methyl-4-phenyl-1,2,3,6-tetrahydropyridine hydrochloride powder	Dopaminergic neurotoxin.	23007-85-4	M0896
	3,4-Dihydroxy-D-phenylalanine powder, ≥98%	DOPA enantiomer that lacks biological activity.	5796-17-8	D9378
	3,4-Dihydroxy-DL-phenylalanine	Immediate precursor of dopamine; product of tyrosine hydroxylase	63-84-3	D9503
	3,4-Dihydroxy-L-phenylalanine	Natural isomer of the immediate precursor of dopamine; product of tyrosine hydroxylase	59-92-7	D9628
	3,4-Dihydroxyphenylacetic acid 98%		102-32-9	850217
	3-Hydroxy-4-methoxyphenethylamine hydrochloride	Dopamine metabolite.	645-33-0	H3132
	3-Methoxytyramine hydrochloride ≥95.5%, crystalline	Major metabolite of dopamine; product of catechol O-methyltransferase.	1477-68-5	M4251
	D-CPT tartrate >94%, solid	Binds to the cocaine receptor site on the dopamine transporter and blocks dopamine uptake.	50372-80-0	C156
	D-Tyrosine 99%		556-02-5	855456
	L-3,4-Dihydroxyphenylalanine methyl ester hydrochloride solid	Precursor to L-DOPA that crosses the blood-brain barrier; antiparkinsonian agent.	1421-65-4	D1507
	L-Tyrosine disodium salt ≥98% (TLC), powder		69847-45-6	T2269
	L-Tyrosine hydrochloride ≥98% (TLC)		16870-43-2	T2006
	L-Tyrosine reagent grade, ≥98% (TLC)		60-18-4	T3754
	Amantadine hydrochloride	Dopamine releaser used to treat Parkinsonism and drug-induced extrapyramidal reactions.	665-66-7	A1260
	Homovanillic acid Fluorimetric reagent	Metabolite of dihydroxyphenylacetic acid (DOPAC) by catechol O-methyltransferase; reagent for the fluorimetric determination of glucose oxidase and other oxidative enzymes	306-08-1	H1252
	MPP⁺ iodide ≥98% (HPLC), solid	MPP⁺ iodide is an active metabolite of dopaminergic neurotoxin MPTP.	36913-39-0	D048
	N-Methyl-(R)-salsolinol hydrobromide ≥95% (HPLC), solid	Endogenous neurotoxin in dopaminergic neurons.		M3690
	Paliperidone ≥98% (HPLC), solid	Paliperidone is an atypical antipsychotic; active metabolite of risperidone.	144598-75-4	P0099
	Reserpine	Inhibits vesicular uptake of catecholamines and serotonin.	50-55-5	R0875
	S-(+)-O-Desmethylraclopride hydrobromide solid, ≥98% (HPLC)		113310-88-6	D204
	Tetrabenazine ≥98% (HPLC), solid	Tetrabenazine is a reversible type 2 vesicular monoamine transporter (VMAT) inhibitor. It depletes dopamine stores.	58-46-8	T2952
	γ-Butyrolactone ≥99% (GC)	Precursor of γ-hydroxybutyric acid (GHB). It blocks dopamine release by blocking impulse flow in dopaminergic neurons. Pretreatment with γ-butyrolactone allows detection of autoreceptor-induced dopamine release.	96-48-0	H7629

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