N-methylcytisine

Modify Date: 2026-07-02 19:27:08

N-methylcytisine Structure
N-methylcytisine structure
Common Name N-methylcytisine
CAS Number 486-86-2 Molecular Weight 204.27
Density 1.2±0.1 g/cm3 Boiling Point 400.8±34.0 °C at 760 mmHg
Molecular Formula C12H16N2O Melting Point 137-139ºC
MSDS Chinese USA Flash Point 191.9±18.0 °C
Symbol GHS07
GHS07
Signal Word Warning

 Use of N-methylcytisine


N-Methylcytisine (Caulophylline), a tricyclic quinolizidine alkaloid, exerts hypoglycaemic, analgesic and anti-inflammatory activities. N-methylcytisine is a selective ligand of nicotinic receptors of acetylcholine in the central nervous system and has a high affinity (Kd = 50 nM) to nicotinic acetylcholine receptors (nAChR) from squid optical ganglia[1][2].

 Names

This table lists Chinese names, IUPAC names and various aliases of this chemical substance.

Name N-Methylcytisine
Synonym More Synonyms

 N-methylcytisine Biological Activity

This table contains bioactivity, target information and biological‑assay experimental data of this compound.

Description N-Methylcytisine (Caulophylline), a tricyclic quinolizidine alkaloid, exerts hypoglycaemic, analgesic and anti-inflammatory activities. N-methylcytisine is a selective ligand of nicotinic receptors of acetylcholine in the central nervous system and has a high affinity (Kd = 50 nM) to nicotinic acetylcholine receptors (nAChR) from squid optical ganglia[1][2].
Related Catalog
Target

kd: 50 nM (nicotinic acetylcholine receptors)[2]

References

[1]. Jiao YF, et al. N-Methylcytisine Ameliorates Dextran-Sulfate-Sodium-Induced Colitis in Mice by Inhibiting the Inflammatory Response. Molecules. 2018 Feb 25;23(3). pii: E510.

[2]. Pliashkevich IuG, et al. [N-methylcytisine--a selective ligand of nicotinic receptors of acetylcholine in the CNS]. Biull Eksp Biol Med. 1987 Dec;104(12):690-2.

 Chemical & Physical Properties

This table shows physicochemical parameters including melting point, boiling point, density, solubility and optical rotation. Missing data is marked as N/A.

Density 1.2±0.1 g/cm3
Boiling Point 400.8±34.0 °C at 760 mmHg
Melting Point 137-139ºC
Molecular Formula C12H16N2O
Molecular Weight 204.27
Flash Point 191.9±18.0 °C
Exact Mass 204.126266
PSA 25.24000
LogP 0.46
Vapour Pressure 0.0±0.9 mmHg at 25°C
Index of Refraction 1.616
InChIKey CULUKMPMGVXCEI-VHSXEESVSA-N
SMILES CN1CC2CC(C1)c1cccc(=O)n1C2

 Toxicological Information

This table summarizes toxicological test data, acute & chronic toxicity and ecological hazard parameters for this chemical.

CHEMICAL IDENTIFICATION

RTECS NUMBER :
HA4400000
CHEMICAL NAME :
Cytisine, 12-methyl-
CAS REGISTRY NUMBER :
486-86-2
BEILSTEIN REFERENCE NO. :
0012448
LAST UPDATED :
199612
DATA ITEMS CITED :
4
MOLECULAR FORMULA :
C12-H16-N2-O
MOLECULAR WEIGHT :
204.30

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
511 mg/kg
TOXIC EFFECTS :
Behavioral - somnolence (general depressed activity) Behavioral - convulsions or effect on seizure threshold Behavioral - muscle contraction or spasticity
REFERENCE :
BJPCBM British Journal of Pharmacology. (Macmillan Press Ltd., Houndmills, Basingstoke, Hants. RG21 2XS, UK) V.34- 1968- Volume(issue)/page/year: 35,161,1969
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intraperitoneal
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
51 mg/kg
TOXIC EFFECTS :
Behavioral - somnolence (general depressed activity) Behavioral - convulsions or effect on seizure threshold Behavioral - muscle contraction or spasticity
REFERENCE :
BJPCBM British Journal of Pharmacology. (Macmillan Press Ltd., Houndmills, Basingstoke, Hants. RG21 2XS, UK) V.34- 1968- Volume(issue)/page/year: 35,161,1969
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intravenous
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
22 mg/kg
TOXIC EFFECTS :
Behavioral - convulsions or effect on seizure threshold
REFERENCE :
JPETAB Journal of Pharmacology and Experimental Therapeutics. (Williams & Wilkins Co., 428 E. Preston St., Baltimore, MD 21202) V.1- 1909/10- Volume(issue)/page/year: 79,334,1943
TYPE OF TEST :
LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE :
Unreported
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
160 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
JOETD7 Journal of Ethnopharmacology. (Elsevier Scientific Pub. Ireland Ltd., POB 85, Limerick, Ireland) V.1- 1979- Volume(issue)/page/year: 7,24,1983

 Safety Information

This table covers safety warnings, protective measures, incompatible substances and disposal guidelines for this compound.

Symbol GHS07
GHS07
Signal Word Warning
Hazard Statements H302
Precautionary Statements P301 + P312 + P330
Hazard Codes Xn
Risk Phrases 22
RIDADR NONH for all modes of transport
RTECS HA4400000

 Synthetic Route

This table presents publicly reported synthetic routes, reaction conditions, reactants and product information of the compound.

~99%

N-methylcytisine Structure

N-methylcytisine

CAS#:486-86-2

Learn More
Literature: Frigerio, Fabio; Haseler, Claire A.; Gallagher, Timothy Synlett, 2010 , # 5 p. 729 - 730

~%

N-methylcytisine Structure

N-methylcytisine

CAS#:486-86-2

Learn More
Literature: Tsypysheva; Koval'skaya; Makara; Lobov; Petrenko; Galkin; Sapozhnikova; Zarudii; Yunusov Chemistry of Natural Compounds, 2012 , vol. 48, # 4 p. 629 - 634 Khim. Prir. Soedin., 2012 , p. 565 - 570

 Precursor & DownStream

This table lists upstream starting materials and downstream derivative products related to this chemical.

Precursor  3

DownStream  0

 N-methylcytisineBioassay

View more

This table contains target information, in‑vitro & in‑vivo assay data for this compound.

Name: Teratogenic activity in rat embryo assessed as incidence of major malformation at 20 ...
Source: ChEMBL
Target: N/A
External Id: CHEMBL966344
Name: Effect on growth and morphogenesis of organogenesis-staged rat embryo at 5 ug/mL afte...
Source: ChEMBL
Target: N/A
External Id: CHEMBL966337
Name: Displacement of [3H]epibatidine from rat alpha4beta2 nAChR
Source: ChEMBL
Target: Neuronal acetylcholine receptor subunit alpha-4
External Id: CHEMBL1120675
Name: Effect on growth and morphogenesis of organogenesis-staged rat embryo at 1.25 ug/mL a...
Source: ChEMBL
Target: N/A
External Id: CHEMBL966336
Name: Effect on growth and morphogenesis of organogenesis-staged rat embryo at 0.1 ug/mL af...
Source: ChEMBL
Target: N/A
External Id: CHEMBL966335
Name: Teratogenic activity in rat embryo assessed as incidence of major malformation at 80 ...
Source: ChEMBL
Target: N/A
External Id: CHEMBL966346
Name: Teratogenic activity in rat embryo assessed as incidence of major malformation at 50 ...
Source: ChEMBL
Target: N/A
External Id: CHEMBL966345
Name: Teratogenic activity in rat embryo assessed as incidence of major malformation at 250...
Source: ChEMBL
Target: N/A
External Id: CHEMBL966347
Total 8, Current Page 1 of 1
1

 Synonyms

This table collects all English aliases, systematic names and CAS‑related synonyms of the compound.

N-methylcytisine
N-Methylcytisine
(1R)-11-Methyl-7,11-diazatricyclo[7.3.1.0]trideca-2,4-dien-6-one
11-Methyl-7,11-diazatricyclo[7.3.1.0]trideca-2,4-dien-6-one
1,2,3,4,5,6-Hexahydro-3-methyl-1,5-methano-8H-pyrido[1,2-a][1,5]diazocin-8-one
Caulophylline
3-methyl-1,2,3,4,5,6-hexahydro-8H-1,5-methanopyrido[1,2-a][1,5]diazocin-8-one
(1R)-3-methyl-1,2,3,4,5,6-hexahydro-8H-1,5-methanopyrido[1,2-a][1,5]diazocin-8-one

 N-methylcytisine | FAQ

This section contains frequently‑asked‑questions about this compound, including basic parameters, properties, storage conditions and corresponding answers.

Q: What is the SMILES notation of N-Methylcytisine?
A: SMILES notation of N-Methylcytisine is CN1CC2CC(C1)c1cccc(=O)n1C2.
Q: What is the molecular weight of N-Methylcytisine?
A: Molecular weight of N-Methylcytisine is 204.27.
Q: What are the uses of N-Methylcytisine?
A: Main uses of N-Methylcytisine: N-Methylcytisine (Caulophylline), a tricyclic quinolizidine alkaloid, exerts hypoglycaemic, analgesic and anti-inflammatory activities. N-methylcytisine is a selective ligand of nicotinic receptors of acetylcholine in the central nervous system and has a high affinity (Kd = 50 nM) to nicotinic acetylcholine receptors (nAChR) from squid optical ganglia[1][2].
Q: What is the English name of N-Methylcytisine?
A: The English name of N-Methylcytisine is N-Methylcytisine.
Q: What is the InChIKey of N-Methylcytisine?
A: InChIKey of N-Methylcytisine is CULUKMPMGVXCEI-VHSXEESVSA-N.
Q: What is the polar surface area (PSA) of N-Methylcytisine?
A: Polar surface area (PSA) of N-Methylcytisine is 25.24000.
Q: What is the melting point of N-Methylcytisine?
A: Melting point of N-Methylcytisine is 137-139ºC.
Q: What is the boiling point of N-Methylcytisine?
A: Boiling point of N-Methylcytisine is 400.8±34.0 °C at 760 mmHg.
Q: What is the CAS number of N-Methylcytisine?
A: CAS number of N-Methylcytisine is 486-86-2.
Q: What is the LogP of N-Methylcytisine?
A: LogP of N-Methylcytisine is 0.46.

 N-methylcytisinefactory

This table lists manufacturers and suppliers of this compound, including vendor names and product supply reference information.

Shanghai Nianxing Industrial Co., Ltd
BioBioPha
Dayang Chem (Hangzhou) Co., Ltd.
naturewill
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