| Substance | Relationship Strength | Studies | Trials | Classes | Roles |
|---|
ammonium hydroxide
azane : Saturated acyclic nitrogen hydrides having the general formula NnHn+2. | 2.06 | 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). | 2.76 | 3 | 0 | alkane;
gas molecular entity;
mononuclear parent hydride;
one-carbon compound | bacterial metabolite;
fossil fuel;
greenhouse gas |
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. | 3.3 | 6 | 0 | elemental hydrogen;
elemental molecule;
gas molecular entity | antioxidant;
electron donor;
food packaging gas;
fuel;
human metabolite |
methanol
Methanol: A colorless, flammable liquid used in the manufacture of FORMALDEHYDE and ACETIC ACID, in chemical synthesis, antifreeze, and as a solvent. Ingestion of methanol is toxic and may cause blindness.. primary alcohol : A primary alcohol is a compound in which a hydroxy group, -OH, is attached to a saturated carbon atom which has either three hydrogen atoms attached to it or only one other carbon atom and two hydrogen atoms attached to it.. methanol : The primary alcohol that is the simplest aliphatic alcohol, comprising a methyl and an alcohol group. | 2.01 | 1 | 0 | alkyl alcohol;
one-carbon compound;
primary alcohol;
volatile organic compound | amphiprotic solvent;
Escherichia coli metabolite;
fuel;
human metabolite;
mouse metabolite;
Mycoplasma genitalium metabolite |
4-nitrophenol
4-nitrophenol: RN given refers to parent cpd. mononitrophenol : A nitrophenol that is phenol carrying a single nitro substituent at unspecified position.. 4-nitrophenol : A member of the class of 4-nitrophenols that is phenol in which the hydrogen that is para to the hydroxy group has been replaced by a nitro group. | 2.06 | 1 | 0 | 4-nitrophenols | human xenobiotic metabolite;
mouse metabolite |
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. | 2.01 | 1 | 0 | pyrrole;
secondary amine | |
potassium carbonate
potassium carbonate : A potassium salt that is the dipotassium salt of carbonic acid. | 1.98 | 1 | 0 | carbonate salt;
potassium salt | catalyst;
fertilizer;
flame retardant |
levulinic acid
levulinic acid: inhibits 5-aminolevulinic acid dehydratase; RN given refers to parent cpd; structure in Merck Index, 9th ed, #5316. 4-oxopentanoic acid : An oxopentanoic acid with the oxo group in the 4-position. | 2.01 | 1 | 0 | oxopentanoic acid;
straight-chain saturated fatty acid | plant metabolite |
beryllium oxide
beryllium oxide : A beryllium molecular entity consisting of beryllium (+2 oxidation state) and oxide in the ratio 1:1. In the solid state, BeO adopts the hexagonal wurtzite structure form while in the vapour phase, it is present as discrete diatomic covalent molecules. | 2.01 | 1 | 0 | beryllium molecular entity;
metal oxide | carcinogenic agent |
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. | 1.98 | 1 | 0 | carbon oxoanion | |
iridium
Iridium: A metallic element with the atomic symbol Ir, atomic number 77, and atomic weight 192.22. | 2.04 | 1 | 0 | cobalt group element atom;
platinum group metal 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. | 2.06 | 1 | 0 | copper group element atom;
elemental gold | |
zinc sulfate
Zinc Sulfate: A compound given in the treatment of conditions associated with zinc deficiency such as acrodermatitis enteropathica. Externally, zinc sulfate is used as an astringent in lotions and eye drops. (Reynolds JEF(Ed): Martindale: The Extra Pharmacopoeia (electronic version). Micromedex, Inc, Englewood, CO, 1995). zinc sulfate : A metal sulfate compound having zinc(2+) as the counterion. | 2.01 | 1 | 0 | metal sulfate;
zinc molecular entity | fertilizer |
calcium sulfate
Calcium Sulfate: A calcium salt that is used for a variety of purposes including: building materials, as a desiccant, in dentistry as an impression material, cast, or die, and in medicine for immobilizing casts and as a tablet excipient. It exists in various forms and states of hydration. Plaster of Paris is a mixture of powdered and heat-treated gypsum. | 2.01 | 1 | 0 | calcium salt;
inorganic calcium salt | |
sodium aluminum hydride
[no description available] | 2.05 | 1 | 0 | inorganic sodium salt | |
fluorides
[no description available] | 2.01 | 1 | 0 | halide anion;
monoatomic fluorine | |
benzoylpropionic acid
benzoylpropionic acid: structure in first source. 4-oxo-4-phenylbutyric acid : A 4-oxo monocarboxylic acid that is butyric acid bearing oxo and phenyl substituents at position 4. | 2.01 | 1 | 0 | 4-oxo monocarboxylic acid | hapten |
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. | 2.05 | 1 | 0 | fullerene | geroprotector |
enniatin b
enniatins: cyclohexadepsipeptides containing valine, isoleucine & valeric acid from Fusarian; form complexes with cations & cellular membranes; there are at least three different enniatins H, B & C; minor descriptor (76-86); on-line & INDEX MEDICUS search PEPTIDES, CYCLIC (76-86); see also record for enniatin D, E, F. enniatin B : An enniatin obtained from formal cyclocondensation of three N-[(2R)-2-hydroxy-3-methylbutanoyl]-N-methyl-L-valine units. | 2.02 | 1 | 0 | enniatin | antimicrobial agent |
lithium fluoride
lithium fluoride: RN given refers to cpd with MF of Li-F; GR200-A is LiF activated by Mg, Cu, and P | 2.01 | 1 | 0 | | |
lithium
Lithium: An element in the alkali metals family. It has the atomic symbol Li, atomic number 3, and atomic weight [6.938; 6.997]. Salts of lithium are used in treating BIPOLAR DISORDER. | 7.37 | 2 | 0 | alkali metal atom | |
beryllium
Beryllium: An element with the atomic symbol Be, atomic number 4, and atomic weight 9.01218. Short exposure to this element can lead to a type of poisoning known as BERYLLIOSIS.. beryllium atom : Alkaline earth metal atom with atomic number 4. | 2.01 | 1 | 0 | alkaline earth metal atom;
elemental beryllium;
metal allergen | adjuvant;
carcinogenic agent;
epitope |
boron
Boron: A trace element with the atomic symbol B, atomic number 5, and atomic weight [10.806; 10.821]. Boron-10, an isotope of boron, is used as a neutron absorber in BORON NEUTRON CAPTURE THERAPY. | 2.05 | 1 | 0 | boron group element atom;
metalloid atom;
nonmetal atom | micronutrient |
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. | 2.01 | 1 | 0 | | |
nitrophenols
Nitrophenols: PHENOLS carrying nitro group substituents. | 2.06 | 1 | 0 | | |