| Formula | Names |
|---|---|
| C H Cl3 | Chloroform, Trichloromethane, Freon 20, Formyl trichloride |
| C H N | Hydrogen cyanide, Hydrocyanic acid, Formonitrile, Prussic acid |
| C H2 O | Formaldehyde, Methanal, Formic aldehyde, Methyl aldehyde |
| C H2 O2 | Formic acid, Methanoic acid, Aminic acid, Formylic acid, Hydrogen caroxylic acid |
| C H3 | Methyl radical |
| C H3 Cl | Methyl chloride, Freon 40, Chloromethane, Monochloromethane |
| C H3 Cl O2 S | Methanesulfonyl chloride, Methanesulfuryl chloride, Mesyl chloride, CH3SO2Cl |
| C H3 F | Methyl fluoride, Fluoromethane, Freon 41 |
| C H3 N O2 | Methyl nitrite, methyl ester of nitrous acid, CH3ONO |
| C H3 N O2 | Nitromethane, Nitrocarbol, CH3NO2 |
| C H3 N O3 | Methyl nitrate |
| C H3 N O S | Methyl thionitrite |
| C H4 | Methane, Methyl hydride |
| C H4 O | Methanol, Methyl alcohol, Carbinol, Methyl hydroxide, Methylol, Wood alcohol |
| C H4 S | Methyl mercaptan, Methanethiol, Mercaptomethane, Methyl sulfhydrate |
| C H5 N | Methylamine, Methanamine, Aminomethane, Carbinamine, CH3NH2 |
| C2 H | Ethynyl radical |
| C2 H2 | Acetylene, Ethyne, Ethine, Narcylen, Acetylen, Vinylene |
| C2 H2 O | Ketene, Etenone, Carbomethene, Keto-ethylene, Ethylenone |
| C2 H2 O2 | Glyoxl, Ethanedial, Diformyl, Glyoxal aldehyde, 1,2-Ethanedione |
| C2 H3 | Vinyl radical |
| C2 H3 N | Acetonitrile, Methyl cyanide, Cyanomethane |
| C2 H4 | Ethylene, Ethene, Acetene, Elayl, Athylen |
| C2 H4 O | Acetaldehyde, Ethanal, Ethyl aldehyde, Acetic aldehyde |
| C2 H4 O2 | Acetic acid, Vinegar acid, Ethanoic acid, Ethylic acid, Glacial acetic acid, CH3COOH |
| C2 H4 O2 | Glycolaldehyde, Hydroxyacetaldehyde, Methylol formaldehyde, HOCH2CHO |
| C2 H4 O2 | Methyl formate, Methyl methanoate, HCOOCH3 |
| C2 H5 | Ethyl radical |
| C2 H5 N O2 | Ethyl nitrite, Ethyl ester nitrous acid, Nitrosyl ethoxide, C2H5ONO |
| C2 H5 N O2 | Nitroethane, C2H5NO2 |
| C2 H6 | Ethane, Bimethyl, Dimethyl, Ethyl hydride, Methylmethane |
| C2 H6 O | Ethanol, Ethyl alcohol, C2H5OH |
| C2 H6 O | Dimethyl ether, Methyl ether, Wood ether, Methoxymethane, CH3OCH3 |
| C2 H6 O S | Dimethyl sulfoxide, DMSO |
| C2 H6 S | Dimethyl sulfide, DMS, Dimethyl thioether, Methyl Monosulfide, Thiobismethane, Thiopropane |
| C2 H6 S2 | Dimethyl disulfide, DMDS, 2,3-Dithiabutane |
| C2 H7 N | Ethylamine, Ethanamine, Aminoethane |
| C3 H3 | Propargyl radical |
| C3 H4 | Propyne, 1-Propyne, Methylacetylene, Allylene, Propine, CH3CCH |
| C3 H4 | Allene, 1,2-Propadiene, Dimethylenemethane, CH2CCH2 |
| C3 H4 N2 | Pyrazole, 1H-Pyrazole, 1,2-Diazole |
| C3 H4 O | Acrolein, 2-Propenal, Acrylaldehyde, CH2CHCHO |
| C3 H4 O2 | Glycidaldehyde, Glycidal, Propionaldehyde, CH2OCHCHO |
| C3 H5 | Allyl radical, CH2CHCH2 |
| C3 H6 | Cyclopropane, Trimethylene |
| C3 H6 | Propylene, Propene, Methylethylene, Methylethene |
| C3 H6 O | Acetone, Dimethyl ketone, Propanone, Pyroacetic ether, (CH3)2CO |
| C3 H6 O | Propanal, Propionaldehyde, Methylacetaldehyde, C2H5CHO |
| C3 H6 O2 | Ethyl formate, Formic ether |
| C3 H6 O2 | Acetol, Hyroxyacetone, 1-Hydroxy-2-Propanone, Acetone alcohol, Acetylcarbinol |
| C3 H7 | Isopropyl radical, 2-Propyl radical |
| C3 H7 | Propyl radical, 1-Propyl radical |
| C3 H8 | Propane, Dimethylmethane, Propyl hydride, Freon 290 |
| C3 H8 O | Isopropyl, 2-Propanol, Isopropanol, Rubbing alcohol |
| C3 H8 O | Propanol, 1-Propanol, Propyl alcohol, C3H7OH |
| C3 H8 O | Methyl ethyl ether, Ethyl methyl, Methoxyethane, C2H5OCH3 |
| C4 H2 | Butadiyne, Biacetylene, Biethynyl, Diacetylene |
| C4 H4 | Vinylacetylene, 1-Buten-3-yne, 1-Butenyne, Ethynylethene |
| C4 H4 O | Furan, Divinylene oxide, Oxole, Oxacyclopentadiene |
| C4 H4 S | Thiophene, Thiofuran, Thiole, Divinylene sulfide, Thiacyclopentadiene |
| C4 H5 N | Pyrrole, 1H-Pyrrole, Azole, Divinylenimine |
| C4 H6 | Butyne, 1-Butyne, Ethylacetylene, Ethylethyne, CH3CH2CCH |
| C4 H6 | Butadiene, 1,3-Butadiene, Biethylene, Divinyl, Vinylethylene, CH2CHCHCH2 |
| C4 H6 O | Methyl vinyl ketone, Methylene acetone, Butenone |
| C4 H8 | Butene, 1-Butene, Ethylethylene, 1-Butylene |
| C4 H8 | Isobutene, Isobutylene, Methylpropene |
| C4 H8 O | Methyl ethyl ketone, 2-Butanone, Methylacetone |
| C4 H10 | Butane, Diethyl, Freon 600, Methylethylmethane |
| C4 H10 | Isobutane, 2-Methylpropane, 1,1-Dimethylethane |
| C4 H10 O | Diethyl ether, Ethyl ether, Ethoxy ethane, Anaesthetic ether, C2H5OC2H5 |
| C4 H10 O | Methyl propyl ether, Methoxypropane, CH3OC3H7 |
| C4 H10 O | Butanol, Butyl alcohol, 1-Butanol, C4H9OH |
| C5 H5 N | Pyridine, Azabenzene, Azine |
| C5 H8 | Cyclopentene |
| C5 H10 | Pentene, 1-Pentene, Propylethylene |
| C5 H12 | Pentane, Amyl hydride |
| C5 H12 | Isopentane, 2-methylbutane, 1,1,2-Trimethylethane |
| C5 H12 O | Pentanol, 1-Pentanol, Amyl alcohol |
| C6 H2 | Hexatriyne, 1,3,5-Hexatriyne |
| C6 H6 | Benzene, Phenyl hydride, Annulene, Carbon oil, Coal naphtha |
| C6 H6 O | Phenol, Carbolic acid, Benzenol, Hydroxybenzene, Oxybenzene |
| C6 H10 | Cyclohexene, Tetrahydrobenzene |
| C6 H10 O | Cyclohexanone, Anon, Anone, Sextone, Pimelic ketone |
| C6 H12 | Cyclohexane, Hexahydrobenzene, Hexamethylene |
| C6 H12 O | Cyclohexanol, Cyclohexyl alcohol, Adronal |
| C6 H14 | Hexane, Hexyl hydride |
| C7 H7 | Benzyl radical |
| C7 H8 | Toluene, Methylbenzene, Phenylmethane |
| C7 H14 | Heptene, 1-Heptene, Heptylene |
| C7 H16 | Heptane, Heptyl hydride, Dipropylmethane |
| C8 H18 | Octane |
| C8 H18 | Isooctane, 2,2,4-trimethylpentane |
| C Cl N O3 S | Chlorosulfonyl isocyanate, CSI |
| C Cl4 | Carbon tetrachloride, Benzinoform, Freon 10 |
| C F2 O | Carbonyl fluoride, Carbonic difluoride, Carbon oxyfluoride |
| C O | Carbon monoxide, Carbon oxide |
| C O S | Carbonyl sulfide, Carbon oxide sulfide, Carbon oxysulfide |
| C O2 | Carbon dioxide, Carbon oxide, Carbonic acid, Carbonic anhydride, dry ice |
| C S2 | Carbon disulfide, Dithiocarbonic anhydride |
| C2 N2 | Cyanogen, Ethanedinitrile, Carbon nitride, Oxalic acid dinitrile, dicyan |
| H Br | Hydrogen bromide, Hydrobromic acid |
| H Br O | Hypobromous acid |
| H Cl | Hydrogen chloride, Hydrochloric acid |
| H Cl O | Hypochlorous acid |
| H F | Hydrogen fluoride, Hydrofluoric acid |
| H I | Hydrogen iodide, Hydriodic acid |
| H N O2 | Nitrous acid, Nitrosyl hydroxide |
| H N O3 | Nitric acid, Azotic acid, Hydrogen nitrate |
| H O | Hydroxy radical, Hydroxyl |
| H O2 | Hydroperoxy radical, Hydroperoxo |
| H2 | Hydrogen, Dihydrogen |
| H2 O | Water, Dihydrogen oxide |
| H2 O2 | Hydrogen peroxide |
| H2 S | Hydrogen sulfide, Hydrosulfuric acid, Sulfur hydride |
| H3 N | Ammonia |
| H3 P | Phosphine, Hydrogen phosphide |
| H4 N2 | Hydrazine, Diazene, Diamide, Diamine, Amerzine, Levoxine |
| Br O | Bromine Monoxide |
| Cl N O3 | Chlorine nitrate |
| Cl O | Chlorine oxide, Monochlorine monoxide |
| Cl2 O2 S | Sulfuryl chloride, Chlorosulfuric acid, Sulfonyl chloride, Sulfuric chloride |
| Cl3 P S | Thiophosphoryl chloride, Phosphorus thiochloride, Phosphine sulfide |
| F2 O2 S | Sulfuryl fluoride, Sulfonyl fluoride, Sulfur dioxide difluoride, Vikane |
| F6S | Sulfur hexaflouride |
| I O | Iodine oxide |
| N O | Nitric oxide, Nitrogen oxide, Nitrogen monoxide |
| N O + | Nitrogen oxide cation, Nitrosyl ion |
| N O2 | Nitrogen dioxide, Nitro, Nitrogen peroxide |
| N O3 | Nitrate radical |
| N2 | Nitrogen |
| N2 O | Nitrous oxide, Dinitrogen monoxide, Laughing gas |
| N2 O3 | Dinitrogen trioxide |
| N2 O4 | Dinitrogen tetraoxide |
| N2 O5 | Dinitrogen pentoxide |
| O | Oxygen |
| O2 | Oxygen |
| O2 S | Sulfur dioxide, Sulfurous acid anhydride |
| O3 | Ozone, triatomic oxygen |
| O3 S | Sulfur trioxide, Sulfur oxide, Sulfan, Sulfuric anhydride |
| O4 | Oxygen dimer, O2-O2 |
