Substance | Relationship Strength | Studies | Trials | Classes | Roles |
ammonium hydroxide azane : Saturated acyclic nitrogen hydrides having the general formula NnHn+2. | 2.05 | 1 | 0 | azane; gas molecular entity; mononuclear parent hydride | EC 3.5.1.4 (amidase) inhibitor; metabolite; mouse metabolite; neurotoxin; NMR chemical shift reference compound; nucleophilic reagent; refrigerant |
methane Methane: The simplest saturated hydrocarbon. It is a colorless, flammable gas, slightly soluble in water. It is one of the chief constituents of natural gas and is formed in the decomposition of organic matter. (Grant & Hackh's Chemical Dictionary, 5th ed). methane : A one-carbon compound in which the carbon is attached by single bonds to four hydrogen atoms. It is a colourless, odourless, non-toxic but flammable gas (b.p. -161degreeC). | 2.07 | 1 | 0 | alkane; gas molecular entity; mononuclear parent hydride; one-carbon compound | bacterial metabolite; fossil fuel; greenhouse gas |
chlorine chloride : A halide anion formed when chlorine picks up an electron to form an an anion. | 2.05 | 1 | 0 | halide anion; monoatomic chlorine | cofactor; Escherichia coli metabolite; human metabolite |
hydrogen cyanide Hydrogen Cyanide: Hydrogen cyanide (HCN); A toxic liquid or colorless gas. It is found in the smoke of various tobacco products and released by combustion of nitrogen-containing organic materials.. hydrogen cyanide : A one-carbon compound consisting of a methine group triple bonded to a nitrogen atom | 2.08 | 1 | 0 | hydracid; one-carbon compound | Escherichia coli metabolite; human metabolite; poison |
hydrogen Hydrogen: The first chemical element in the periodic table with atomic symbol H, and atomic number 1. Protium (atomic weight 1) is by far the most common hydrogen isotope. Hydrogen also exists as the stable isotope DEUTERIUM (atomic weight 2) and the radioactive isotope TRITIUM (atomic weight 3). Hydrogen forms into a diatomic molecule at room temperature and appears as a highly flammable colorless and odorless gas.. dihydrogen : An elemental molecule consisting of two hydrogens joined by a single bond. | 7.46 | 2 | 0 | elemental hydrogen; elemental molecule; gas molecular entity | antioxidant; electron donor; food packaging gas; fuel; human metabolite |
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. | 2.57 | 2 | 0 | metal allergen; nickel group element atom | epitope; micronutrient |
nitrates Nitrates: Inorganic or organic salts and esters of nitric acid. These compounds contain the NO3- radical. | 2.02 | 1 | 0 | monovalent inorganic anion; nitrogen oxoanion; reactive nitrogen species | |
sulfur dioxide Sulfur Dioxide: A highly toxic, colorless, nonflammable gas. It is used as a pharmaceutical aid and antioxidant. It is also an environmental air pollutant. | 2.07 | 1 | 0 | sulfur oxide | Escherichia coli metabolite; food bleaching agent; refrigerant |
phencyclidine Phencyclidine: A hallucinogen formerly used as a veterinary anesthetic, and briefly as a general anesthetic for humans. Phencyclidine is similar to KETAMINE in structure and in many of its effects. Like ketamine, it can produce a dissociative state. It exerts its pharmacological action through inhibition of NMDA receptors (RECEPTORS, N-METHYL-D-ASPARTATE). As a drug of abuse, it is known as PCP and Angel Dust.. phencyclidine : A member of the class of piperidines that is piperidine in which the nitrogen is substituted with a 1-phenylcyclohexyl group. Formerly used as an anaesthetic agent, it exhibits both hallucinogenic and neurotoxic effects. | 2.11 | 1 | 0 | benzenes; piperidines | anaesthetic; neurotoxin; NMDA receptor antagonist; psychotropic drug |
silicon carbide silicon carbide: fibers used for reinforcement of porcelain crowns; a feldspathic body (gingival) porcelain; used to coat titanium hip prostheses | 2.41 | 2 | 0 | organosilicon compound | |
manganese carbonate [no description available] | 2.1 | 1 | 0 | | |
zinc oxide Zinc Oxide: A mild astringent and topical protectant with some antiseptic action. It is also used in bandages, pastes, ointments, dental cements, and as a sunblock. | 3.13 | 5 | 0 | zinc molecular entity | |
carbonates Carbonates: Salts or ions of the theoretical carbonic acid, containing the radical CO2(3-). Carbonates are readily decomposed by acids. The carbonates of the alkali metals are water-soluble; all others are insoluble. (From Grant & Hackh's Chemical Dictionary, 5th ed). carbonates : Organooxygen compounds that are salts or esters of carbonic acid, H2CO3. | 2.1 | 1 | 0 | carbon oxoanion | |
manganese Manganese: A trace element with atomic symbol Mn, atomic number 25, and atomic weight 54.94. It is concentrated in cell mitochondria, mostly in the pituitary gland, liver, pancreas, kidney, and bone, influences the synthesis of mucopolysaccharides, stimulates hepatic synthesis of cholesterol and fatty acids, and is a cofactor in many enzymes, including arginase and alkaline phosphatase in the liver. (From AMA Drug Evaluations Annual 1992, p2035). manganese(4+) : A manganese cation that is monoatomic and has a formal charge of +4. | 2.1 | 1 | 0 | elemental manganese; manganese group element atom | Escherichia coli metabolite; micronutrient |
molybdenum Molybdenum: A metallic element with the atomic symbol Mo, atomic number 42, and atomic weight 95.95. It is an essential trace element, being a component of the enzymes xanthine oxidase, aldehyde oxidase, and nitrate reductase. | 2.11 | 1 | 0 | chromium group element atom | micronutrient |
niobium Niobium: A metal element atomic number 41, atomic weight 92.906, symbol Nb. | 2.01 | 1 | 0 | vanadium 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. | 2.41 | 1 | 0 | d-block element atom; rare earth metal atom; scandium group element atom | |
titanium Titanium: A dark-gray, metallic element of widespread distribution but occurring in small amounts with atomic number, 22, atomic weight, 47.867 and symbol, Ti; specific gravity, 4.5; used for fixation of fractures. | 3.12 | 5 | 0 | titanium group element atom | |
cerium Cerium: An element of the rare earth family of metals. It has the atomic symbol Ce, atomic number 58, and atomic weight 140.12. Cerium is a malleable metal used in industrial applications. | 2.1 | 1 | 0 | f-block element atom; lanthanoid 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. | 2.43 | 2 | 0 | copper group element atom; elemental gold | |
ytterbium Ytterbium: An element of the rare earth family of metals. It has the atomic symbol Yb, atomic number 70, and atomic weight 173. Ytterbium has been used in lasers and as a portable x-ray source. | 1.97 | 1 | 0 | f-block element atom; lanthanoid atom | |
zirconium Zirconium: A rather rare metallic element with atomic number 40, atomic weight 91.224, and symbol Zr. | 2 | 1 | 0 | titanium group element atom | |
aluminum chloride Aluminum Chloride: A compound with the chemical formula AlCl3; the anhydrous salt is used as a catalyst in organic chemical synthesis, and hydrated salts are used topically as antiperspirants, and for the management of HYPERHYDROSIS. | 2.05 | 1 | 0 | aluminium coordination entity | Lewis acid |
sodium hydride [no description available] | 2.15 | 1 | 0 | | |
nickel nitrate nickel nitrate: RN given refers to cpd with MF of Ni-(HNO3)2 | 2.15 | 1 | 0 | | |
aluminum phosphide [no description available] | 2.07 | 1 | 0 | | |
boron nitride [no description available] | 7.75 | 3 | 0 | nitride | |
titanium nitride (tin) titanium nitride: RN given refers to unspecified MF | 2.42 | 2 | 0 | | |
gallium nitride [no description available] | 4.19 | 16 | 0 | | |
indium nitride [no description available] | 2.78 | 3 | 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. | 2.49 | 2 | 0 | fullerene | geroprotector |
gallium oxide gallium oxide: RN given refers to unlabeled cpd | 2.13 | 1 | 0 | | |
dialuminum magnesium tetraoxide spinell: mineral that can be colored to match dentin | 2.11 | 1 | 0 | | |
silicon nitride [no description available] | 2.05 | 1 | 0 | | |
tin [no description available] | 2.17 | 1 | 0 | carbon group element atom; elemental tin; metal atom | micronutrient |
aluminum Aluminum: A metallic element that has the atomic number 13, atomic symbol Al, and atomic weight 26.98. | 3.71 | 10 | 0 | boron group element atom; elemental aluminium; metal atom | |
indium Indium: A metallic element, atomic number 49, atomic weight 114.818, symbol In. It is named from its blue line in the spectrum.. indium atom : A metallic element first identified and named from the brilliant indigo (Latin indicum) blue line in its flame spectrum. | 2.78 | 3 | 0 | boron group element atom | |
gallium Gallium: A rare, metallic element designated by the symbol, Ga, atomic number 31, and atomic weight 69.72.. gallium atom : A metallic element predicted as eka-aluminium by Mendeleev in 1870 and discovered by Paul-Emile Lecoq de Boisbaudran in 1875. Named in honour of France (Latin Gallia) and perhaps also from the Latin gallus cock, a translation of Lecoq. | 4.31 | 18 | 0 | boron group element atom | |
silicon Silicon: A trace element that constitutes about 27.6% of the earth's crust in the form of SILICON DIOXIDE. It does not occur free in nature. Silicon has the atomic symbol Si, atomic number 14, and atomic weight [28.084; 28.086]. | 3.12 | 5 | 0 | carbon group element atom; metalloid atom; nonmetal atom | |
barium titanate(iv) barium titanate(IV): RN given refers to parent cpd | 2.1 | 1 | 0 | | |
aluminum oxide Aluminum Oxide: An oxide of aluminum, occurring in nature as various minerals such as bauxite, corundum, etc. It is used as an adsorbent, desiccating agent, and catalyst, and in the manufacture of dental cements and refractories. | 2.97 | 4 | 0 | | |
titanium boride titanium boride: a ceramic powder with high hemolytic activity | 1.98 | 1 | 0 | | |
lithium niobate [no description available] | 2.01 | 1 | 0 | | |
chrome azurol s chrome azurol S: reagent for beryllium determination spectrophotometrically | 1.97 | 1 | 0 | | |