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Merck
CN

C2899

Cytisine

≥99%, powder

Synonym(s):

(−)-Cytisine, (1R,5S)-1,2,3,4,5,6-Hexahydro-1,5-methano-8H-pyrido[1,2a][1,5]diazocin-8-one, (1S,9S)-3,11-Diazatricyclo[7.3.1.03,8]trideca-5,7-dien-4-one, Baptitoxin, Laburnin, Sophorine, Ulexine

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About This Item

Empirical Formula (Hill Notation):
C11H14N2O
CAS Number:
485-35-8
Molecular Weight:
190.24
NACRES:
NA.77
PubChem Substance ID:
24892544
UNSPSC Code:
12352210
EC Number:
207-616-0
MDL number:
MFCD00136048

Key Documents

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InChI key

ANJTVLIZGCUXLD-DTWKUNHWSA-N

InChI

1S/C11H14N2O/c14-11-3-1-2-10-9-4-8(5-12-6-9)7-13(10)11/h1-3,8-9,12H,4-7H2/t8-,9+/m0/s1

SMILES string

O=C1C=CC=C2C3CNCC(C3)CN12

assay

≥99%

form

powder

color

light yellow

bp

218 °C/2 mmHg (lit.)

mp

154-156 °C (lit.)

Quality Level

100

Gene Information

rat ... Chrna2(170945), Chrna3(25101), Chrna4(25590)

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General description

Cytisine is an alkaloid present in Cytisus laburnum, particularly in its seeds. It might be effective for smoking cessation. Cytisine is a natural insecticide. It has a molecular structure similar to nicotine. Cytisine may have antidepressant like properties.

Biochem/physiol Actions

Potent agonist at α3β4 and α7 nicotinic acetylcholine receptors and partial agonist at α4β2 nicotinic acetylcholine receptors.

Features and Benefits

This compound is featured on the Acetylcholine Receptors (Nicotinic) page of the Handbook of Receptor Classification and Signal Transduction. To browse other handbook pages, click here.

pictograms

Skull and crossbones
GHS06

signalword

Danger

Hazard Classifications

Acute Tox. 3 Dermal - Acute Tox. 3 Inhalation - Acute Tox. 3 Oral

Storage Class

6.1C - Combustible acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Faceshields, Gloves, type P2 (EN 143) respirator cartridges

Regulatory Information

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Certificates of Analysis (COA)

Lot/Batch Number
MKCT8230
MKCK8886
MKCC6531
MKBW6205V
SLBD7794V

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Bruno Tasso et al.
Journal of medicinal chemistry, 52(14), 4345-4357 (2009-06-25)
The availability of drug affecting neuronal nicotinic acetylcholine receptors (nAChRs) may have important therapeutic potential for the treatment of several CNS pathologies. Pursuing our efforts on the systematic structural modification of cytisine and N-arylalkyl and N-aroylalkyl cytisines were synthesized and
Michael J Marks et al.
Journal of neurochemistry, 130(2), 185-198 (2014-03-26)
Nicotinic acetylcholine receptors (nAChR) of the α6β2* subtype (where *indicates the possible presence of additional subunits) are prominently expressed on dopaminergic neurons. Because of this, their role in tobacco use and nicotine dependence has received much attention. Previous studies have
Natalie Walker et al.
BMC public health, 11, 880-880 (2011-11-23)
Smokers need effective support to maximise the chances of successful quit attempts. Current smoking cessation medications, such as nicotine replacement therapy (NRT), bupropion, nortriptyline or varenicline, have been shown to be effective in clinical trials but are underused by smokers
Noah S Philip et al.
TheScientificWorldJournal, 2012, 104105-104105 (2012-05-24)
An important new area of antidepressant drug development involves targeting the nicotinic acetylcholine receptor (nAChR). This receptor, which is distributed widely in regions of the brain associated with depression, is also implicated in other important processes that are relevant to
Hiroto Kuwabara et al.
Journal of nuclear medicine : official publication, Society of Nuclear Medicine, 53(1), 121-129 (2011-12-17)
There are only 2 currently available radioligands, 2-(18)F-FA and 6-(18)F-FA, for quantitative PET of the main cerebral subtype of nicotinic acetylcholine receptors (α4β2-nAChRs) in humans. Both exhibit slow distribution kinetics in the brain and require several hours for PET imaging.
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