Substance | Relationship Strength | Studies | Trials | Classes | Roles |
protocatechuic acid protocatechuic acid: RN given refers to parent cpd; structure. 3,4-dihydroxybenzoic acid : A dihydroxybenzoic acid in which the hydroxy groups are located at positions 3 and 4. | 2.02 | 1 | 0 | catechols; dihydroxybenzoic acid | antineoplastic agent; EC 1.1.1.25 (shikimate dehydrogenase) inhibitor; EC 1.14.11.2 (procollagen-proline dioxygenase) inhibitor; human xenobiotic metabolite; plant metabolite |
carbon monoxide Carbon Monoxide: Carbon monoxide (CO). A poisonous colorless, odorless, tasteless gas. It combines with hemoglobin to form carboxyhemoglobin, which has no oxygen carrying capacity. The resultant oxygen deprivation causes headache, dizziness, decreased pulse and respiratory rates, unconsciousness, and death. (From Merck Index, 11th ed). carbon monoxide : A one-carbon compound in which the carbon is joined only to a single oxygen. It is a colourless, odourless, tasteless, toxic gas. | 7.02 | 1 | 0 | carbon oxide; gas molecular entity; one-carbon compound | biomarker; EC 1.9.3.1 (cytochrome c oxidase) inhibitor; human metabolite; ligand; metabolite; mitochondrial respiratory-chain inhibitor; mouse metabolite; neurotoxin; neurotransmitter; P450 inhibitor; probe; signalling molecule; vasodilator agent |
octane Octanes: Eight-carbon saturated hydrocarbon group of the methane series. Include isomers and derivatives.. octane : A straight chain alkane composed of 8 carbon atoms. | 7.03 | 1 | 0 | alkane | xenobiotic |
nickel Nickel: A trace element with the atomic symbol Ni, atomic number 28, and atomic weight 58.69. It is a cofactor of the enzyme UREASE.. nickel ion : A nickel atom having a net electric charge.. nickel atom : Chemical element (nickel group element atom) with atomic number 28. | 7.97 | 4 | 0 | metal allergen; nickel group element atom | epitope; micronutrient |
protoporphyrin ix protoporphyrin IX: RN given refers to parent cpd; structure in Merck Index, 9th ed, #7685. protoporphyrin : A cyclic tetrapyrrole that consists of porphyrin bearing four methyl substituents at positions 3, 8, 13 and 17, two vinyl substituents at positions 7 and 12 and two 2-carboxyethyl substituents at positions 2 and 18. The parent of the class of protoporphyrins. | 2.02 | 1 | 0 | | |
reserpine Reserpine: An alkaloid found in the roots of Rauwolfia serpentina and R. vomitoria. Reserpine inhibits the uptake of norepinephrine into storage vesicles resulting in depletion of catecholamines and serotonin from central and peripheral axon terminals. It has been used as an antihypertensive and an antipsychotic as well as a research tool, but its adverse effects limit its clinical use.. reserpine : An alkaloid found in the roots of Rauwolfia serpentina and R. vomitoria. | 2.02 | 1 | 0 | alkaloid ester; methyl ester; yohimban alkaloid | adrenergic uptake inhibitor; antihypertensive agent; EC 3.4.21.26 (prolyl oligopeptidase) inhibitor; environmental contaminant; first generation antipsychotic; plant metabolite; xenobiotic |
methylene blue Methylene Blue: A compound consisting of dark green crystals or crystalline powder, having a bronze-like luster. Solutions in water or alcohol have a deep blue color. Methylene blue is used as a bacteriologic stain and as an indicator. It inhibits GUANYLATE CYCLASE, and has been used to treat cyanide poisoning and to lower levels of METHEMOGLOBIN.. methylene blue : An organic chloride salt having 3,7-bis(dimethylamino)phenothiazin-5-ium as the counterion. A commonly used dye that also exhibits antioxidant, antimalarial, antidepressant and cardioprotective properties. | 2.02 | 1 | 0 | organic chloride salt | acid-base indicator; antidepressant; antimalarial; antimicrobial agent; antioxidant; cardioprotective agent; EC 1.4.3.4 (monoamine oxidase) inhibitor; EC 3.1.1.8 (cholinesterase) inhibitor; EC 4.6.1.2 (guanylate cyclase) inhibitor; fluorochrome; histological dye; neuroprotective agent; physical tracer |
chloroform Chloroform: A commonly used laboratory solvent. It was previously used as an anesthetic, but was banned from use in the U.S. due to its suspected carcinogenicity.. chloroform : A one-carbon compound that is methane in which three of the hydrogens are replaced by chlorines. | 2.03 | 1 | 0 | chloromethanes; one-carbon compound | carcinogenic agent; central nervous system drug; inhalation anaesthetic; non-polar solvent; refrigerant |
histidine Histidine: An essential amino acid that is required for the production of HISTAMINE.. L-histidine : The L-enantiomer of the amino acid histidine.. histidine : An alpha-amino acid that is propanoic acid bearing an amino substituent at position 2 and a 1H-imidazol-4-yl group at position 3. | 2.07 | 1 | 0 | amino acid zwitterion; histidine; L-alpha-amino acid; polar amino acid zwitterion; proteinogenic amino acid | algal metabolite; Escherichia coli metabolite; human metabolite; micronutrient; mouse metabolite; nutraceutical; Saccharomyces cerevisiae metabolite |
boranes Boranes: The collective name for the boron hydrides, which are analogous to the alkanes and silanes. Numerous boranes are known. Some have high calorific values and are used in high-energy fuels. (From Grant & Hackh's Chemical Dictionary, 5th ed). borane : The simplest borane, consisting of a single boron atom carrying three hydrogens.. boranes : The molecular hydrides of boron. | 2.11 | 1 | 0 | boranes; mononuclear parent hydride | |
n-vinyl-2-pyrrolidinone N-vinyl-2-pyrrolidinone: monomer of POVIDONE; structure given in first source | 2.1 | 1 | 0 | pyrrolidin-2-ones | |
pyrroles 1H-pyrrole : A tautomer of pyrrole that has the double bonds at positions 2 and 4.. pyrrole : A five-membered monocyclic heteroarene comprising one NH and four CH units which forms the parent compound of the pyrrole group of compounds. Its five-membered ring structure has three tautomers. A 'closed class'.. azole : Any monocyclic heteroarene consisting of a five-membered ring containing nitrogen. Azoles can also contain one or more other non-carbon atoms, such as nitrogen, sulfur or oxygen. | 2.44 | 2 | 0 | pyrrole; secondary amine | |
thiophenes Thiophenes: A monocyclic heteroarene furan in which the oxygen atom is replaced by a sulfur.. thiophenes : Compounds containing at least one thiophene ring. | 2.05 | 1 | 0 | mancude organic heteromonocyclic parent; monocyclic heteroarene; thiophenes; volatile organic compound | non-polar solvent |
anthracene acene : A polycyclic aromatic hydrocarbon consisting of fused benzene rings in a rectilinear arrangement.. acenes : Polycyclic aromatic hydrocarbons consisting of fused benzene rings in a rectilinear arrangement and their substitution derivatives. | 2.05 | 1 | 0 | acene; anthracenes; ortho-fused tricyclic hydrocarbon | |
methyltrimethoxysilane [no description available] | 2.1 | 1 | 0 | | |
9,10-diphenylanthracene [no description available] | 2.13 | 1 | 0 | anthracenes | fluorochrome; photosensitizing agent |
iridium Iridium: A metallic element with the atomic symbol Ir, atomic number 77, and atomic weight 192.22. | 2.07 | 1 | 0 | cobalt group element atom; platinum group metal atom | |
lanthanum [no description available] | 2.02 | 1 | 0 | f-block element atom; lanthanoid atom; scandium group element atom | |
palladium Palladium: A chemical element having an atomic weight of 106.4, atomic number of 46, and the symbol Pd. It is a white, ductile metal resembling platinum, and following it in abundance and importance of applications. It is used in dentistry in the form of gold, silver, and copper alloys.. palladium : Chemical element (nickel group element atom) with atomic number 46. | 2.08 | 1 | 0 | metal allergen; nickel group element atom; platinum group metal atom | |
platinum Platinum: A heavy, soft, whitish metal, resembling tin, with atomic number 78, atomic weight 195.084, symbol Pt. It is used in manufacturing equipment for laboratory and industrial use. It occurs as a black powder (platinum black) and as a spongy substance (spongy platinum) and may have been known in Pliny's time as alutiae. | 3.33 | 6 | 0 | elemental platinum; nickel group element atom; platinum group metal atom | |
rhodium Rhodium: A hard and rare metal of the platinum group, atomic number 45, atomic weight 102.905, symbol Rh.. rhodium atom : A cobalt group element atom of atomic number 45. | 7.02 | 1 | 0 | cobalt group element atom | |
scandium Scandium: An element of the rare earth family of metals. It has the atomic symbol Sc, atomic number 21, and atomic weight 45. | 7.03 | 1 | 0 | d-block element atom; rare earth metal atom; scandium group element atom | |
gold Gold: A yellow metallic element with the atomic symbol Au, atomic number 79, and atomic weight 197. It is used in jewelry, goldplating of other metals, as currency, and in dental restoration. Many of its clinical applications, such as ANTIRHEUMATIC AGENTS, are in the form of its salts. | 2.45 | 2 | 0 | copper group element atom; elemental gold | |
camptothecin NSC 100880: carboxylate (opened lactone) form of camptothecin; RN refers to (S)-isomer; structure given in first source | 2.03 | 1 | 0 | delta-lactone; pyranoindolizinoquinoline; quinoline alkaloid; tertiary alcohol | antineoplastic agent; EC 5.99.1.2 (DNA topoisomerase) inhibitor; genotoxin; plant metabolite |
fluorides [no description available] | 7.72 | 3 | 0 | halide anion; monoatomic fluorine | |
oxovanadium iv oxovanadium IV: forms complexes with simple sugars | 2.03 | 1 | 0 | vanadium oxide | |
vanadates Vanadates: Oxyvanadium ions in various states of oxidation. They act primarily as ion transport inhibitors due to their inhibition of Na(+)-, K(+)-, and Ca(+)-ATPase transport systems. They also have insulin-like action, positive inotropic action on cardiac ventricular muscle, and other metabolic effects.. vanadate(3-) : A vanadium oxoanion that is a trianion with formula VO4 in which the vanadium is in the +5 oxidation state and is attached to four oxygen atoms. | 2.03 | 1 | 0 | trivalent inorganic anion; vanadium oxoanion | EC 3.1.3.1 (alkaline phosphatase) inhibitor; EC 3.1.3.16 (phosphoprotein phosphatase) inhibitor; EC 3.1.3.41 (4-nitrophenylphosphatase) inhibitor; EC 3.1.3.48 (protein-tyrosine-phosphatase) inhibitor |
chlorin chlorin: RN given refers to parent cpd; structure. chlorin : A tetrapyrrole fundamental parent that is obtained by formal hydrogenation across the 2,3-double bond of porphyrin. | 7.44 | 2 | 0 | | |
lanthanum trifluoride lanthanum trifluoride: sputtered LaF3 film is used as a new MOS-type glucose sensor; RN given refers to cpd LaF3 | 2.02 | 1 | 0 | | |
cobalt Cobalt: A trace element that is a component of vitamin B12. It has the atomic symbol Co, atomic number 27, and atomic weight 58.93. It is used in nuclear weapons, alloys, and pigments. Deficiency in animals leads to anemia; its excess in humans can lead to erythrocytosis.. cobalt(1+) : A monovalent inorganic cation obtained from cobalt.. cobalt atom : A cobalt group element atom that has atomic number 27. | 2.76 | 3 | 0 | cobalt group element atom; metal allergen | micronutrient |
phytoporphyrin phytoporphyrin: photodynamic agent produced in rumen of ruminants by bacterial degradation of chlorophyll | 7.03 | 1 | 0 | | |
fullerene c60 Fullerenes: A polyhedral CARBON structure composed of around 60-80 carbon atoms in pentagon and hexagon configuration. They are named after Buckminster Fuller because of structural resemblance to geodesic domes. Fullerenes can be made in high temperature such as arc discharge in an inert atmosphere.. fullerene : A compound composed solely of an even number of carbon atoms, which form a cage-like fused-ring polycyclic system with twelve five-membered rings and the rest six-membered rings. The term has been broadened to include any closed cage structure consisting entirely of three-coordinate carbon atoms. | 2.74 | 3 | 0 | fullerene | geroprotector |
zinc octaethylporphyrin [no description available] | 7.11 | 1 | 0 | | |
halcinonide [no description available] | 2.08 | 1 | 0 | | |
aluminum Aluminum: A metallic element that has the atomic number 13, atomic symbol Al, and atomic weight 26.98. | 2.43 | 2 | 0 | boron group element atom; elemental aluminium; metal atom | |
chlorophyll a Chlorophyll: Porphyrin derivatives containing magnesium that act to convert light energy in photosynthetic organisms.. chlorophyll : A family of magnesium porphyrins, defined by the presence of a fifth ring beyond the four pyrrole-like rings. The rings can have various side chains which usually include a long phytol chain. | 2.03 | 1 | 0 | chlorophyll; methyl ester | cofactor |
heme Heme: The color-furnishing portion of hemoglobin. It is found free in tissues and as the prosthetic group in many hemeproteins.. ferroheme : Any iron(II)--porphyrin coordination complex.. ferroheme b : Heme b in which the iron has oxidation state +2.. heme : A heme is any tetrapyrrolic chelate of iron. | 2.96 | 4 | 0 | | |
tetraphenylporphine tetraphenylporphyrin: structure in first source | 2.97 | 4 | 0 | | |