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Merck
CN

H2256

Harmaline

Synonym(s):

1-Methyl-7-methoxy-3,4-dihydro-β-carboline, 3,4-Dihydroharmine, 4,9-Dihydro-7-methoxy-1-methyl-3H-pyrido[3,4-b]indole, Dihydroharmine, Harmalol methyl ether, Harmidine, NSC 407285

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About This Item

Empirical Formula (Hill Notation):
C13H14N2O
CAS Number:
304-21-2
Molecular Weight:
214.26
EC Number:
206-152-6
UNSPSC Code:
12352200
PubChem Substance ID:
329815185
Beilstein/REAXYS Number:
207310
MDL number:
MFCD00004955

Key Documents

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InChI key

RERZNCLIYCABFS-UHFFFAOYSA-N

InChI

1S/C13H14N2O/c1-8-13-11(5-6-14-8)10-4-3-9(16-2)7-12(10)15-13/h3-4,7,15H,5-6H2,1-2H3

SMILES string

COc1ccc2c3CCN=C(C)c3[nH]c2c1

mp

232-234 °C (lit.)

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Application

Reactant for preparation of:
  • Acylated harmalines via Friedel-Crafts reaction
  • Phenacyl derivatives of 1-methyl-7-methoxy-β-carbolines as central nervous system affectors
  • Palladium harmaline DMSO chloro complex as anti-tumor agent

Natural product scaffold in preparation of:
  • Trypanothione reductase inhibitors†

Biochem/physiol Actions

CNS stimulant; may act through NMDA receptors

pictograms

Health hazardExclamation mark
GHS08,GHS07

signalword

Warning

hcodes

H302,H371

Hazard Classifications

Acute Tox. 4 Oral - STOT SE 2

target_organs

Central nervous system

Storage Class

11 - Combustible Solids

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)

Regulatory Information

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Certificates of Analysis (COA)

Lot/Batch Number
057F0838
047H0638
028H0537
078F0116

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W Du et al.
Brain research, 770(1-2), 26-29 (1998-01-24)
Harmaline, a beta-carboline derivative, is known to produce tremor through a direct activation of cells in the inferior olive. However, the receptor(s) through which harmaline acts remains unknown. It was recently reported that the tremorogenic actions of harmaline could be
Pervin K Iseri et al.
Neuropharmacology, 61(4), 715-723 (2011-06-07)
Essential tremor (ET) is one of the most common and most disabling movement disorders among adults. The drug treatment of ET remains unsatisfactory. Additional therapies are required for patients with inadequate response or intolerable side effects. The current study aims
Fatta B Nahab et al.
Neurotherapeutics : the journal of the American Society for Experimental NeuroTherapeutics, 9(3), 635-638 (2012-03-29)
Recent work exploring the use of high-molecular weight alcohols to treat essential tremor (ET) has identified octanoic acid as a potential novel tremor-suppressing agent. We used an established harmaline-based mouse model of ET to compare tremor suppression by 1-octanol and
Muhammad Rizwan-ul-Haq et al.
Chemosphere, 85(6), 995-1001 (2011-07-26)
Apolipophorin III, traditionally known for lipid transport in insects is fairly established as toxicity indicator against harmaline and tea saponin during this study. Apolipophorin III expressed in the hemolymph and midgut tissues of 3rd, 4th, 5th larval instars and pupae
Hamid-Reza Adhami et al.
Phytotherapy research : PTR, 25(8), 1148-1152 (2011-02-03)
To find new herbal compounds with an acetylcholinesterase (AChE) inhibitory effect, this study focused on herbal drugs and resins which have been used in Iranian traditional medicine for the treatment of cognitive disorders. Forty drugs were selected from authoritative written
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