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Alkaloids, Quaternary compounds


Quaternary ammonium compounds (14)
Alkaloid (4)
Cyclic compounds (3)
Drugs acting on the nervous system (3)
Drugs acting on the musculoskeletal system (2)
Macrocycles (2)
Muscle relaxants (2)
Neuromuscular blockers (2)
Neurotoxins (2)
Pharmaceuticals (2)
Antineoplastic and immunomodulating drugs (1)
Antineoplastic drugs (1)
Aromatase inhibitors (1)
Coffee (1)
Coffee chemistry (1)
DNA-binding substances (1)
Heterocyclic compounds (1)
Heterocyclic compounds (4 or more rings) (1)
Hormonal agents (1)
Hormonal antineoplastic drugs (1)
Polycyclic organic compounds (1)
Psychoactive drugs (1)
Systemic hormonal preparations (1)


AK Scientific (3)
Matrix Scientific (3)
Frontier Scientific (1)

Coptisine (3486-66-6)  
Coptisine is an alkaloid found in Chinese goldthread (Coptis chinensis). Famous for the bitter taste that it produces, it is used in Chinese herbal medicine along with the related compound berberine for treating digestive disorders caused by bacterial infections. Also found in Greater Celandine and has also been detected in Opium.
Trigonelline (535-83-1)  
trigonelline chloride  ·  trigonelline ion  ·  trigonelline iodide
Trigonelline is an alkaloid with chemical formula C7H7NO2. It is a zwitterion formed by the methylation of the nitrogen atom of niacin (vitamin B3). Trigonelline is a product of niacin metabolism that is excreted in urine of mammals.
berberine (2086-83-1, 4263-84-7)  
Berberine is a quaternary ammonium salt from the protoberberine group of benzylisoquinoline alkaloids found in such plants as Berberis (e.g. Berberis vulgaris - barberry, Berberis aristata - tree turmeric, Mahonia aquifolium - Oregon-grape, Hydrastis canadensis - goldenseal, Xanthorhiza simplicissima - yellowroot, Phellodendron amurense - Amur cork tree, Coptis chinensis - Chinese goldthread, Tinospora cordifolia, Argemone mexicana - prickly poppy, and Eschscholzia californica - Californian poppy. Berberine is usually found in the roots, rhizomes, stems, and bark.
SANGUINARINE (2447-54-3)  
sanguinarin  ·  Viadent  ·  sanguinarine nitrate
"Sanguinarium" is the sixth episode of the fourth season of the American science fiction television series The X-Files. "Sanguinarium" was written by newcomers Vivian and Valerie Mayhew and directed by Kim Manners, and is a "Monster-of-the-Week" story, a stand-alone plot which is unconnected to the series' wider mythology. It first aired in the United States on November 10, 1996 on the Fox network, earning a Nielsen rating of 11.1 and being seen by 19.85 million viewers upon its initial broadcast.
chelerythrine (34316-15-9, 478-03-5)  
chelerythrine chloride  ·  chelerythrine hydroxide  ·  chelerythrine sulfate
Chelerythrine is a benzophenanthridine alkaloid present in the plant Chelidonium majus (greater celandine). It is a potent, selective, and cell-permeable protein kinase C inhibitor in vitro. And an efficacious antagonist of G-protein-coupled CB1 receptors.
Jatrorrhizine (3621-38-3)  
jatrorrhizine chloride
Jatrorrhizine is a protoberberine alkaloid found in some plant species, such as Enantia chlorantha (Annonaceae). Synonyms that may be encountered include jateorrhizine, neprotin, jatrochizine, jatrorhizine, or yatrorizine.
Phellodendrine (6873-13-8)  
Phellodendrine is an alkaloid isolated originally from Phellodendron amurense (Rutaceae).
Curarine (22260-42-0)  
curarine dichloride, (1beta)-isomer  ·  curarine dichloride, (1beta)-(+-)-isomer  ·  curarine diiodide, (1beta)-isomer
Curare or is a common name for various plant extract alkaloid arrow poisons originating from Central and South America. These poisons function by competitively and reversibly inhibiting the nicotinic acetylcholine receptor (nAChR), which is a subtype of acetylcholine receptor found at the neuromuscular junction. This causes weakness of the skeletal muscles and, when administered in a sufficient dose, eventual death by asphyxiation due to paralysis of the diaphragm.
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