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Merck
CN

SML0712

1-Methyl-1,2,3,4-tetrahydroisoquinoline

≥97% (GC)

Synonym(s):

1,2,3,4-Tetrahydro-1-methylisoquinoline, 1MeTIQ

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About This Item

Empirical Formula (Hill Notation):
C10H13N
CAS Number:
Molecular Weight:
147.22
UNSPSC Code:
12352200
NACRES:
NA.77
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InChI

1S/C10H13N/c1-8-10-5-3-2-4-9(10)6-7-11-8/h2-5,8,11H,6-7H2,1H3

InChI key

QPILYVQSKNWRDD-UHFFFAOYSA-N

assay

≥97% (GC)

form

oil

color

, colorless to light yellow to light pink

storage temp.

2-8°C

Biochem/physiol Actions

1-Methyl-1,2,3,4-tetrahydroisoquinoline (1MeTIQ) is an endogenous antidepressant and parkinsonism-preventing substance that demonstrates neuroprotectiveactivity.
1-Methyl-1,2,3,4-tetrahydroisoquinoline (1MeTIQ) is an endogenous antidepressant and parkinsonism-preventing substance that demonstrates neuroprotectiveactivity. Following systemic administration in rats, 1-Methyl-1,2,3,4-tetrahydroisoquinoline produces antidepressant-like effect similar to the effect of imipramine. 1MeTIQ is a reversible short-acting moderate inhibitor of MAO A/B.

Features and Benefits

This compound is featured on the Dopamine and Norepinephrine Metabolism and Histamine Synthesis and Metabolism pages of the Handbook of Receptor Classification and Signal Transduction. To browse other handbook pages, click here.

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Warning

Hazard Classifications

Acute Tox. 4 Oral - Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3

target_organs

Respiratory system

Storage Class

13 - Non Combustible Solids

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

Regulatory Information

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Elhadi Absi et al.
Brain research, 955(1-2), 161-163 (2002-11-07)
1-Methyl-1,2,3,4-tetrahydroisoquinoline (1-MeTIQ), an endogenous monoamine, which prevents the neurotoxic effect of 1-methyl-4-phenylpyridinium ion (MPP(+)) and other endogenous neurotoxins, has been described as being enzymatically formed in the brain by the 1-MeTIQ synthesizing enzyme (1-MeTIQse). In this paper, we report the
M Filip et al.
Journal of physiology and pharmacology : an official journal of the Polish Physiological Society, 58(4), 625-639 (2008-01-16)
The efficacy of 1-methyl-1,2,3,4-tetrahydroisoquinoline (1MeTIQ), a member of endogenous tetrahydroisoquinolines, in cocaine- and food-maintained responding in self-administration procedures under a fixed ratio 5 schedule of reinforcement as well as in cocaine and food seeking behaviors in male Wistar rats was
L Antkiewicz-Michaluk et al.
Journal of neural transmission (Vienna, Austria : 1996), 114(3), 307-317 (2006-08-10)
Drug abuse disorder is induced by a variety of substances and results from their interaction with the brain reward system. It is characterized by a high frequency of relapse, usually associated with to craving. In this study we investigated the
J Vetulani et al.
Journal of neural transmission (Vienna, Austria : 1996), 110(11), 1205-1213 (2003-11-25)
To extend our earlier data on synergistic action of tetrahydroisoquinolines and morphine, we have investigated the analgesic effects of 1,2,3,4-tetrahydroisoquinoline (TIQ) and its 1-methyl-(1-MeTIQ) and N-methyl (N-MeTIQ) analogs on analgesia induced by morphine and oxotremorine. 1-MeTIQ and N-MeTIQ induced a
Katsuhiro Okuda et al.
Life sciences, 70(24), 2871-2883 (2002-09-25)
To develop a sensitive and simple assay method for 1-methyl-1,2,3,4-tetrahydroisoquinoline (1MeTIQ), an endogenous parkinsonism-preventing substance, we designed two kinds of 1MeTIQ-bovine serum albumin (BSA) conjugates to recognize the methyl group at the 1 position of 1MeTIQ since this is the

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