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Displaying toxin 3076 - 3100 of 3678 in total
T3DB ID Name
CAS Number
Formula
Weight
StructureTypeMechanism of Toxicity
T3D3018Rifapentine
61379-65-5
C47H64N4O12
877.031 g/mol
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  • Amide
  • Amine
  • Antibiotic, Antitubercular
  • Antimycobacterial
  • Drug
  • Ester
  • Ether
  • Hydrazine
  • Leprostatic Agent
  • Metabolite
  • Organic Compound
  • Synthetic Compound
Rifapentine has shown higher bacteriostatic and bactericidal activities especially against intracellular bacteria growing in human monocyte-derived macrophages. Rifape...more
Number of Targets: 0
T3D2875Riluzole
1744-22-5
C8H5F3N2OS
234.198 g/mol
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  • Amine
  • Anesthetic
  • Anticonvulsant
  • Drug
  • Ether
  • Excitatory Amino Acid Antagonist
  • Metabolite
  • Neuroprotective Agent
  • Organic Compound
  • Organofluoride
  • Synthetic Compound
The mode of action of riluzole is unknown. Its pharmacological properties include the following, some of which may be related to its effect: 1) an inhibitory effect on...more
Number of Targets: 5
T3D4535Rimsulfuron
122931-48-0
C14H17N5O7S2
431.444 g/mol
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  • Amide
  • Ether
  • Herbicide
  • Organic Compound
  • Pesticide
  • Synthetic Compound
Not Available
Number of Targets: 13
T3D2668Risedronate
105462-24-6
C7H11NO7P2
283.112 g/mol
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  • Antihypocalcemic Agent
  • Antiresorptive
  • Bisphosphonate
  • Bone Density Conservation Agent
  • Calcium Channel Blocker
  • Drug
  • Metabolite
  • Organic Compound
  • Synthetic Compound
The action of risedronate on bone tissue is based partly on its affinity for hydroxyapatite, which is part of the mineral matrix of bone. Risedronate also targets farn...more
Number of Targets: 3
T3D2871Risperidone
106266-06-2
C23H27FN4O2
410.485 g/mol
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  • Amine
  • Antipsychotic Agent
  • Dopamine Antagonist
  • Drug
  • Ester
  • Food Toxin
  • Metabolite
  • Organic Compound
  • Organofluoride
  • Serotonin Antagonist
  • Synthetic Compound
Blockade of dopaminergic D2 receptors in the limbic system alleviates positive symptoms of schizophrenia such as hallucinations, delusions, and erratic behavior and sp...more
Number of Targets: 32
T3D2671Rituximab
174722-31-7
Not Available
36105.695 g/mol
T3d2671
  • Amide
  • Amine
  • Animal Toxin
  • Antineoplastic Agent
  • Antirheumatic Agent
  • Immunologic Factor
  • Organic Compound
  • Protein
  • Synthetic Compound
Binds to the CD20 antigen which is found on mature B lymphocytes. The Fc domain recruits immune effector functions to mediate B-cell lysis. The antibody appears to ind...more
Number of Targets: 12
T3D2940Rizatriptan
145202-66-0
C15H19N5
269.345 g/mol
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  • Amine
  • Anti-Inflammatory Agent
  • Anti-Migraine Agent
  • Drug
  • Metabolite
  • Organic Compound
  • Selective Serotonin Agonist
  • Serotonin Agonist
  • Serotonin Antagonist
  • Serotonin Receptor Agonist
  • Synthetic Compound
  • Vasoconstrictor Agent
Three distinct pharmacological actions have been implicated in the antimigraine effect of the triptans: (1) stimulation of presynaptic 5-HT1D receptors, which serves t...more
Number of Targets: 7
T3D2497Robustoxin
91728-12-0
Not Available
4856.685 g/mol
T3d2497
  • Amide
  • Amine
  • Animal Toxin
  • Natural Compound
  • Organic Compound
  • Protein
  • Spider Toxin
Robustoxin inhibits both insect and mammalian voltage-gated sodium channels. It binds to site 3 in tetrodotoxin-sensitive sodium channels, which slows their inactivati...more
Number of Targets: 14
T3D2731Ropinirole
91374-21-9
C16H24N2O
260.375 g/mol
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  • Amide
  • Amine
  • Antidyskinetic
  • Antiparkinson Agent
  • Central Nervous System Agent
  • Dopamine Agonist
  • Drug
  • Metabolite
  • Organic Compound
  • Synthetic Compound
Ropinirole binds the dopamine receptors D3 and D2. Although the precise mechanism of action of ropinirole as a treatment for Parkinson's disease is unknown, it is beli...more
Number of Targets: 18
T3D2741Ropivacaine
84057-95-4
C17H26N2O
274.401 g/mol
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  • Amide
  • Amine
  • Anesthetic
  • Anesthetic, Local
  • Drug
  • Metabolite
  • Organic Compound
  • Synthetic Compound
Local anesthetics such as Ropivacaine block the generation and the conduction of nerve impulses, presumably by increasing the threshold for electrical excitation in th...more
Number of Targets: 1
T3D3662Roquefortine
58735-64-1
C22H23N5O2
389.450 g/mol
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  • Amide
  • Amine
  • Ester
  • Food Toxin
  • Fungal Toxin
  • Industrial/Workplace Toxin
  • Lachrymator
  • Metabolite
  • Mycotoxin
  • Natural Compound
  • Organic Compound
Tremorgenic mycotoxins exert their toxic effects by interfering with neurotransmitter release, possibly by causing degeneration of nerve terminals. They are thought to...more
Number of Targets: 23
T3D3709Roridin A
14729-29-4
C29H40O9
532.623 g/mol
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  • Ester
  • Ether
  • Fungal Toxin
  • Lachrymator
  • Mycotoxin
  • Natural Compound
  • Organic Compound
Unlike many other mycotoxins, trichothecenes do not require metabolic activation to exert their biological activity, instead directly reacting with cellular components...more
Number of Targets: 2
T3D3710Roridin D
14682-29-2
C29H38O9
530.607 g/mol
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  • Ester
  • Ether
  • Fungal Toxin
  • Lachrymator
  • Mycotoxin
  • Natural Compound
  • Organic Compound
Unlike many other mycotoxins, trichothecenes do not require metabolic activation to exert their biological activity, instead directly reacting with cellular components...more
Number of Targets: 2
T3D3711Roridin E
16891-85-3
C29H38O8
514.607 g/mol
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  • Ester
  • Ether
  • Fungal Toxin
  • Lachrymator
  • Mycotoxin
  • Natural Compound
  • Organic Compound
Unlike many other mycotoxins, trichothecenes do not require metabolic activation to exert their biological activity, instead directly reacting with cellular components...more
Number of Targets: 2
T3D2680Rosuvastatin
287714-41-4
C22H28FN3O6S
481.538 g/mol
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  • Amide
  • Anticholesteremic Agent
  • Drug
  • Hydroxymethylglutaryl-CoA Reductase Inhibitor
  • Metabolite
  • Organic Compound
  • Organofluoride
  • Synthetic Compound
Rosuvastatin is a competitive inhibitor of HMG-CoA reductase. HMG-CoA reductase catalyzes the conversion of HMG-CoA to mevalonate, an early rate-limiting step in chole...more
Number of Targets: 3
T3D0800Rotenone
83-79-4
C20H18O6
354.353 g/mol
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  • Aromatic Hydrocarbon
  • Ester
  • Ether
  • Food Toxin
  • Household Toxin
  • Lachrymator
  • Metabolite
  • Organic Compound
  • Pesticide
  • Synthetic Compound
Rotenone works by interfering with the electron transport chain in mitochondria. Specifically, it inhibits the transfer of electrons from iron-sulfur centers in comple...more
Number of Targets: 47
T3D0311Roxarsone
121-19-7
C6H6AsNO6
263.037 g/mol
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  • Aromatic Hydrocarbon
  • Arsenic Compound
  • Food Toxin
  • Industrial/Workplace Toxin
  • Metabolite
  • Organic Compound
  • Organometallic
  • Synthetic Compound
Arsenic and its metabolites disrupt ATP production through several mechanisms. At the level of the citric acid cycle, arsenic inhibits pyruvate dehydrogenase and by co...more
Number of Targets: 44
T3D1750Rubidium bromide
7789-39-1
BrRb
165.372 g/mol
Thumb
  • Bromide Compound
  • Industrial/Workplace Toxin
  • Inorganic Compound
  • Synthetic Compound
Bromine is a powerful oxidizing agent and is able to release oxygen free radicals from the water in mucous membranes. These free radicals are also potent oxidizers and...more
Number of Targets: 6
T3D3573Rubidium nitrate
13126-12-0
NO3Rb
147.473 g/mol
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  • Industrial/Workplace Toxin
  • Inorganic Compound
  • Nitrate
  • Nitrite
  • Synthetic Compound
Nitrate's toxicity is a result of it's conversion to nitrite once in the body. Nitrite causes the autocatalytic oxidation of oxyhemoglobin to hydrogen peroxide and met...more
Number of Targets: 9
T3D3731Rubratoxin A
22467-31-8
C26H32O11
520.526 g/mol
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  • Ester
  • Fungal Toxin
  • Mycotoxin
  • Natural Compound
  • Organic Compound
Rubratoxin A is a potent inhibitor of protein phosphatase 2A, exerting antitumor and antimetastatic effects. Inhibition may cause the phosphorylation of CREB and subse...more
Number of Targets: 12
T3D3730Rubratoxin B
21794-01-4
C26H30O11
518.510 g/mol
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  • Ester
  • Ether
  • Fungal Toxin
  • Mycotoxin
  • Natural Compound
  • Organic Compound
Rubratoxin B is cytotoxic, hinders cell proliferation, and induces apoptosis. It also inhibits the activity of matrix metalloproteinase-2 and -9. Rubratoxin B causes d...more
Number of Targets: 20
T3D4066Ryanodine
15662-33-6
C25H35NO9
493.547 g/mol
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  • Ester
  • Insecticide
  • Natural Compound
  • Organic Compound
  • Pesticide
  • Plant Toxin
Ryanodine has extremely high affinity to the open-form ryanodine receptor, a group of calcium channels found in skeletal muscle, smooth muscle, and heart muscle cells....more
Number of Targets: 1
T3D0141S,S,S-Tributyl phosphorotrithioate
78-48-8
C12H27OPS3
314.511 g/mol
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  • Organic Compound
  • Organophosphate
  • Pesticide
  • Synthetic Compound
S,S,S-Tributyl phosphorotrithioate is a cholinesterase or acetylcholinesterase (AChE) inhibitor. A cholinesterase inhibitor (or 'anticholinesterase') suppresses the ac...more
Number of Targets: 17
T3D4455S-Adenosylhomocysteine
979-92-0
C14H20N6O5S
384.411 g/mol
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  • Amine
  • Animal Toxin
  • Ether
  • Food Toxin
  • Metabolite
  • Natural Compound
  • Organic Compound
Not Available
Number of Targets: 17
T3D4456S-Adenosylmethionine
29908-03-0
C15H23N6O5S
399.445 g/mol
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  • Amine
  • Animal Toxin
  • Dietary Supplement
  • Drug
  • Ether
  • Food Toxin
  • Metabolite
  • Micronutrient
  • Natural Compound
  • Nutraceutical
  • Organic Compound
  • Supplement
S-Adenosylmethionine (SAMe) is a natural substance present in the cells of the body. It is a direct metabolite of the essential amino acid L-methionine. SAMe plays a c...more
Number of Targets: 10
Displaying toxin 3076 - 3100 of 3678 in total