List of compounds with carbon number 4
# List of compounds with carbon number 4

This is a partial list of molecules that contain 4 carbon atoms.

| Chemical formula | Synonyms | CAS number |
| - | - | - |
| $C_4Br_2$ | dibromobutadiyne | 36333-41-2 |
| $C_4Ce$ | cerium tetracarbide | 12151-79-0 |
| $C_4ClF_7O$ | heptafluorobutyryl chloride | 375-16-6 |
| $C_4Cl_2F_4O_2$ | tetrafluorosuccinyl chloride | 356-15-0 |
| $C_4Cl_2F_4O_3$ | chlorodifluoroacetic anhydride | 2834-23-3 |
| $C_4Cl_2O_4Rh_2$ | dirhodium tetracarbonyl dichloride | 14523-22-9 |
| $C_4Cl_3CoO_4Si$ | trichlorosilylcobalt tetracarbonyl | 14239-21-5 |
| $C_4Cl_4O$ | perchlorocyclobutenone | 3200-96-2 |
| $C_4CoF_3O_4Si$ | trifluorosilylcobalt tetracarbonyl | 15693-79-5 |
| $C_4Dy$ | dysprosium tetracarbide | 12543-88-3 |
| $C_4F_4O_3$ | tetrafluorosuccinic anhydride | 699-30-9 |
| $C_4F_6O$ | hexafluorocyclobutanone | 699-35-4 |
| $C_4F_8$ | octafluorocyclobutane | 115-25-3 |
| $C_4F_{10}O_2S$ | nonafluorobutanesulfonyl fluoride | 375-72-4 |
| $C_4FeI_2O_4$ | iron tetracarbonyl diiodide | 14911-55-8 |
| $C_4FeO_4$ | iron tetracarbonyl | 15281-98-8 |
| $C_4H_2Br_2O_3$ | mucobromic acid | 488-11-9 |
| $C_4H_2Br_2O_3$ | mucobromic acid lactone | 766-38-1 |
| $C_4H_2Cl_2O_2$ | fumaryl chloride | 627-63-4 |
| $C_4H_2Cl_2O_3$ | mucochloric acid | 87-56-9 |
| $C_4H_2Cl_4O_3$ | dichloroacetic anhydride | 4124-30-5 |
| $C_4H_2F_4O_4$ | tetrafluorosuccinic acid | 377-38-8 |
| $C_4H_2N_2$ | fumaronitrile | 764-42-1 |
| $C_4H_2N_2O_4$ | alloxan | 50-71-5 |
| $C_4H_3BrS$ | 2-bromothiophene | 1003-09-4 |
| $C_4H_3ClN_2$ | chloropyrazine | 14508-49-7 |
| $C_4H_3Cl_3OS$ | methyl trichlorothioacrylate | 76619-91-5 |
| $C_4H_3Cu$ | copper vinylacetylenide | 5256-77-9 |
| $C_4H_3F_3O_2$ | vinyl trifluoroacetate | 433-28-3 |
| $C_4H_3F_5O_2$ | pentafluoropropanoic acid methyl ester | 378-75-6 |
| $C_4H_3F_7O$ | heptafluoropropyl methyl ether | 375-03-1 |
| $C_4H_3F_7O$ | methyl perfluoroisopropyl ether | 22052-84-2 |
| $C_4H_3F_7O$ | sevoflurane | 28523-86-6 |
| $C_4H_3N$ | cyanoallene | 1001-56-5 |
| $C_4H_3N_3O_4$ | violuric acid | 87-39-8 |
| $C_4H_4$ | cyclobutadiene | 1120-53-2 |
| $C_4H_4$ | methylenecyclopropene | 4095-06-1 |
| $C_4H_4$ | Tetrahedrane | |
| $C_4H_4AsCl_3$ | lewisite 2 | 40334-69-8 |
| $C_4H_4Cl_2O_2$ | butanedioyl dichloride | 543-20-4 |
| $C_4H_4Cl_2O_2$ | vinyl dichloro acetate | 7561-04-8 |
| $C_4H_4N_2$ | pyrazine | 290-37-9 |
| $C_4H_4N_2$ | pyridazine | 289-80-5 |
| $C_4H_4N_2$ | succinonitrile | 110-61-2 |
| $C_4H_4N_2O_2$ | acetylenedicarboxamide | 543-21-5 |
| $C_4H_4N_2O_2$ | maleic hydrazide | 123-33-1 |
| $C_4H_4N_2O_2$ | uracil | 66-22-8 |
| $C_4H_4N_2O_2S$ | sulfonyl diacetonitrile | 37463-94-8 |
| $C_4H_4N_2O_3$ | barbituric acid | 67-52-7 |
| $C_4H_4N_2O_3$ | barbituric acid | 32267-40-6 |
| $C_4H_4N_2O_5$ | alloxan | 3237-50-1 |
| $C_4H_4N_2S_2$ | dithiouracil | 2001-93-6 |
| $C_4H_4N_2S_2$ | ethylene dithiocyanate | 629-17-4 |
| $C_4H_4Na_2O_4$ | sodium succinate | 150-90-3 |
| $C_4H_4O$ | furan | 110-00-9 |
| $C_4H_4O_3S$ | thiodiglycolic anhydride | 3261-87-8 |
| $C_4H_4O_4$ | ethylene oxalate | 3524-70-7 |
| $C_4H_4O_4$ | fumaric acid | 110-17-8 |
| $C_4H_4O_5$ | oxalacetic acid | 328-42-7 |
| $C_4H_4S$ | thiophene | 110-02-1 |
| $C_4H_4S_2$ | 2-thiophenethiol | 7774-74-5 |
| $C_4H_4S_2$ | 3-thiophenethiol | 7774-73-4 |
| $C_4H_4Se$ | selenophene | 288-05-1 |
| $C_4H_4Te$ | tellurophene | 288-08-4 |
| $C_4H_5BrF_2O_2$ | ethyl bromodifluoroacetate | 667-27-6 |
| $C_4H_5ClO$ | cyclopropanecarboxylic acid chloride | 4023-34-1 |
| $C_4H_5ClO$ | methacryloyl chloride | 920-46-7 |
| $C_4H_5ClO_3$ | methyl malonyl chloride | 37517-81-0 |
| $C_4H_5F_5O$ | ethyl pentafluoroethyl ether | 22052-81-9 |
| $C_4H_5N$ | allyl isocyanide | 2835-21-4 |
| $C_4H_5N$ | cyclopropanecarbonitrile | 5500-21-0 |
| $C_4H_5N$ | pyrrole | 109-97-7 |
| $C_4H_5NO_2S$ | ethoxycarbonyl isothiocyanate | 16182-04-0 |
| $C_4H_5NO_3$ | maleamic acid | 557-24-4 |
| $C_4H_5NS$ | allyl isothiocyanate | 57-06-7 |
| $C_4H_5N_3$ | aminopyrazine | 5049-61-6 |
| $C_4H_5N_3O_3$ | uramil | 118-78-5 |
| $C_4H_6$ | cyclobutene | 822-35-5 |
| $C_4H_6$ | methylenecyclopropane | 6142-73-0 |
| $C_4H_6Br_2O_2$ | ethyl dibromoacetate | 617-33-4 |
| $C_4H_6MgO_4$ | magnesium acetate | 142-72-3 |
| $C_4H_6N_2O_2$ | dihydrouracil | 504-07-4 |
| $C_4H_6N_2O_2$ | dimethylfurazan monoxide | 2518-42-5 |
| $C_4H_6N_2O_2$ | ethyl diazoacetate | 623-73-4 |
| $C_4H_6N_2S$ | methimazole | 60-56-0 |
| $C_4H_6N_4O_2$ | glycoluril | 496-46-8 |
| $C_4H_6N_4O_{12}$ | erythrityl tetranitrate | 142435-64-1 |
| $C_4H_6O$ | crotonaldehyde | 123-73-9 |
| $C_4H_6O$ | cyclobutanone | 1191-95-3 |
| $C_4H_6O$ | cyclopropanecarboxaldehyde | 1489-69-6 |
| $C_4H_6O$ | ethoxyacetylene | 927-80-0 |
| $C_4H_6O$ | ethylketene | 20334-52-5 |
| $C_4H_6O$ | methyl propargyl ether | 627-41-8 |
| $C_4H_6O$ | methyl vinyl ketone | 78-94-4 |
| $C_4H_6O$ | vinyl ether | 109-93-3 |
| $C_4H_6OS$ | vinyl sulfoxide | 1115-15-7 |
| $C_4H_6O_2$ | acetic acid ethenyl ester | 108-05-4 |
| $C_4H_6O_2$ | crotonic acid | 107-93-7 |
| $C_4H_6O_2$ | crotonic acid | 3724-65-0 |
| $C_4H_6O_2$ | cyclopropanecarboxylic acid | 1759-53-1 |
| $C_4H_6O_2$ | isocrotonic acid | 503-64-0 |
| $C_4H_6O_2S$ | diacetyl sulfide | 3232-39-1 |
| $C_4H_6O_2S$ | divinyl sulfone | 77-77-0 |
| $C_4H_6O_3$ | acetic anhydride | 108-24-7 |
| $C_4H_6O_3$ | propylene carbonate | 108-32-7 |
| $C_4H_6O_4$ | butanedioic acid | 110-15-6 |
| $C_4H_6O_4$ | diacetyl peroxide | 110-22-5 |
| $C_4H_6O_4$ | methylmalonic acid | 516-05-2 |
| $C_4H_6O_4Zn$ | zinc acetate | 557-34-6 |
| $C_4H_6O_5$ | diglycolic acid | 110-99-6 |
| $C_4H_6O_5$ | hydroxybutanedioic acid | 6915-15-7 |
| $C_4H_6O_5$ | methyltartronic acid | 595-98-2 |
| $C_4H_6O_6$ | meso tartaric acid | 147-73-9 |
| $C_4H_6O_6$ | tartaric acid | 133-37-9 |
| $C_4H_6S$ | divinyl sulfide | 627-51-0 |
| $C_4H_6S$ | 2,3-dihydrothiophene | 1120-59-8 |
| $C_4H_6S_4$ | dimethyl tetrathiooxalate | 61485-47-0 |
| $C_4H_7$ | cyclobutyl radical | 4548-06-5 |
| $C_4H_7AlO_5$ | aluminum diacetate | 142-03-0 |
| $C_4H_7Br$ | cyclobutyl bromide | 4399-47-7 |
| $C_4H_7BrO$ | isobutyryl bromide | 2736-37-0 |
| $C_4H_7ClO$ | butanoyl chloride | 141-75-3 |
| $C_4H_7ClO_2$ | ethoxyacetyl chloride | 500025-15-0 |
| $C_4H_7ClO_2$ | ethyl chloroacetate | 105-39-5 |
| $C_4H_7CsO_2$ | caesium butyrate | 38869-25-9 |
| $C_4H_7FO_2$ | isopropyl fluoromethanoate | 500023-95-0 |
| $C_4H_7F_4N$ | tetrafluorodiethylamine | 462-89-5 |
| $C_4H_7IO_2$ | ethyl iodoacetate | 623-48-3 |
| $C_4H_7KO_2$ | potassium butyrate | 589-39-9 |
| $C_4H_7LiO_2$ | lithium butyrate | 21303-03-7 |
| $C_4H_7N$ | butyronitrile | 109-74-0 |
| $C_4H_7NO$ | cyclopropanecarboxamide | 6228-73-5 |
| $C_4H_7NO$ | ethoxyacetonitrile | 62957-60-2 |
| $C_4H_7NO$ | methacrylamide | 79-39-0 |
| $C_4H_7NO_2$ | acetoacetamide | 5977-14-0 |
| $C_4H_7NO_3$ | ethyl oxamate | 617-36-7 |
| $C_4H_7NO_4$ | aspartic acid | 56-84-8 |
| $C_4H_7NS$ | isopropyl isothiocyanate | 2253-73-8 |
| $C_4H_7N_3O$ | creatinine | 60-27-5 |
| $C_4H_7NaO_2$ | sodium butyrate | 156-54-7 |
| $C_4H_7O_2Rb$ | rubidium butyrate | 38869-23-7 |
| $C_4H_7O_2Tl$ | thallium butyrate | 63424-49-7 |
| $C_4H_8$ | cyclobutane | 287-23-0 |
| $C_4H_8$ | methylcyclopropane | 594-11-6 |
| $C_4H_8Cl_2Si$ | ethylvinyldichlorosilane | 10138-21-3 |
| $C_4H_8Cl_3O_4P$ | metrifonate | 52-68-6 |
| $C_4H_8N_2$ | lysidine | 534-26-9 |
| $C_4H_8N_2O_2$ | butanediamide | 110-14-5 |
| $C_4H_8N_2O_3$ | ethyl allophanate | 626-36-8 |
| $C_4H_8N_2O_4S_2$ | dithiodiglycolicdihydroxamic acid | 764-29-4 |
| $C_4H_8N_2S$ | allylthiourea | 109-57-9 |
| $C_4H_8O$ | butanal | 123-72-8 |
| $C_4H_8O$ | cyclobutanol | 2919-23-5 |
| $C_4H_8O$ | cyclopropyl carbinol | 2516-33-8 |
| $C_4H_8O$ | cyclopropyl methyl ether | 540-47-6 |
| $C_4H_8O_2$ | butyric acid | 107-92-6 |
| $C_4H_8O_2$ | ethyl acetate | 141-78-6 |
| $C_4H_8O_2$ | ethylene glycol monovinyl ether | 764-48-7 |
| $C_4H_8O_3$ | ethylene glycol monoacetate | 542-59-6 |
| $C_4H_8O_4$ | acetic acid dimer | 6993-75-5 |
| $C_4H_8O_4$ | 1,3,5,7-tetroxane | 293-30-1 |
| $C_4H_8S$ | tetrahydrothiophene | 110-01-0 |
| $C_4H_8S$ | ethylvinyl sulfide | 627-50-9 |
| $C_4H_8S_3$ | allyl methyl trisulfide | 34135-85-8 |
| $C_4H_9$ | isobutyl radical | 4630-45-9 |
| $C_4H_9ClHg$ | isobutylmercuric chloride | 27151-74-2 |
| $C_4H_9ClSi$ | vinyldimethylchlorosilane | 1719-58-0 |
| $C_4H_9Cl_2OP$ | butylphosphonic dichloride | 2302-80-9 |
| $C_4H_9Cl_3Si$ | isobutyltrichlorosilane | 18169-57-8 |
| $C_4H_9F_3O_3SSi$ | trimethylsilyl trifluoromethanesulfonate | 27607-77-8 |
| $C_4H_9Li$ | butyl lithium | 109-72-8 |
| $C_4H_9N$ | cyclobutylamine | 2516-34-9 |
| $C_4H_9N$ | pyrrolidine | 123-75-1 |
| $C_4H_9NaO$ | sodium tert-butoxide | 865-48-5 |
| $C_4H_9NO$ | butanamide | 541-35-5 |
| $C_4H_9NO$ | morpholine | 110-91-8 |
| $C_4H_9NO_2$ | methylalanine | 3913-67-5 |
| $C_4H_9NO_2$ | propylcarbamate | 627-12-3 |
| $C_4H_9NO_3$ | butyl nitrate | 928-45-0 |
| $C_4H_9NO_3$ | isobutyl nitrate | 543-29-3 |
| $C_4H_9NO_3$ | threonine | 72-19-5 |
| $C_4H_9NO_4$ | ammonium acid succinate | 38457-08-8 |
| $C_4H_9NO_6$ | ammonium acid tartrate | 3095-65-6 |
| $C_4H_9NS$ | dimethyl thioacetamide | 631-67-4 |
| $C_4H_9NS$ | thiomorpholine | 123-90-0 |
| $C_4H_9NSSi$ | trimethylsilyl isothiocyanate | 2290-65-5 |
| $C_4H_{10}$ | butane | 106-97-8 |
| $C_4H_{10}$ | isobutane | 75-28-5 |
| $C_4H_{10}AlCl$ | diethylaluminumchloride | 96-10-6 |
| $C_4H_{10}BCl$ | chlorodiethylborane | 5314-83-0 |
| $C_4H_{10}BF_3O$ | boron trifluoride etherate | 109-63-7 |
| $C_4H_{10}Be$ | diethylberyllium | 542-63-2 |
| $C_4H_{10}Cl_2Si$ | dichlorodiethylsilane | 1719-53-5 |
| $C_4H_{10}Cl_2Sn$ | diethyl dichloro tin | 866-55-7 |
| $C_4H_{10}FO_2P$ | ethyl ethylphosphonofluoridate | 650-20-4 |
| $C_4H_{10}FO_2P$ | propyl methylphosphonofluoridate | 763-14-4 |
| $C_4H_{10}FO_2P$ | sarin | 107-44-8 |
| $C_4H_{10}F_3NS$ | diethylaminosulfur trifluoride | 38078-09-0 |
| $C_4H_{10}NO_3PS$ | acephate | 30560-19-1 |
| $C_4H_{10}N_2$ | diethyldiazene | 821-14-7 |
| $C_4H_{10}N_2$ | piperazine | 110-85-0 |
| $C_4H_{10}N_2O$ | butyric acid hydrazide | 3538-65-6 |
| $C_4H_{10}N_4O_2$ | butanedioyl dihydrazide | 4146-43-4 |
| $C_4H_{10}N_4O_2S$ | mercaptosuccindihydrazide | 687-57-0 |
| $C_4H_{10}N_4O_2S_2$ | dithiodiglycolic acid dihydrazide | 6854-84-8 |
| $C_4H_{10}N_4S_2$ | ethylenediamine dihydrothiocyanate | 22205-63-6 |
| $C_4H_{10}O$ | ethoxy ethane | 60-29-7 |
| $C_4H_{10}O$ | methyl propyl ether | 557-17-5 |
| $C_4H_{10}OS$ | diethyl sulfoxide | 70-29-1 |
| $C_4H_{10}O_2$ | trimethylene glycol monomethyl ether | 1589-49-7 |
| $C_4H_{10}O_2S$ | diethyl sulfone | 597-35-3 |
| $C_4H_{10}O_2S$ | thiodiglycol | 111-48-8 |
| $C_4H_{10}O_4S$ | butyl sulfuric acid | 15507-13-8 |
| $C_4H_{10}O_6S_3$ | trimethylsulfonylmethane | 67294-81-9 |
| $C_4H_{10}S$ | diethyl sulfide | 352-93-2 |
| $C_4H_{10}S_2$ | methyl isopropyl disulfide | 40136-65-0 |
| $C_4H_{10}S_3$ | methyl propyl trisulfide | 17619-36-2 |
| $C_4H_{10}S_4$ | diethyl tetrasulfide | 13730-34-2 |
| $C_4H_{10}Se_2$ | diethyl diselenide | 628-39-7 |
| $C_4H_{10}Te_2$ | diethylditelluride | 26105-63-5 |
| $C_4H_{10}Zn$ | diethylzinc | 557-20-0 |
| $C_4H_{11}AsO_2$ | diethylarsinic acid | 4964-27-6 |
| $C_4H_{11}BO_2$ | ethyldimethoxyborane | 7318-82-3 |
| $C_4H_{11}ClSi$ | diethyldichlorosilane | 1609-19-4 |
| $C_4H_{11}NO_2$ | aminoacetaldehyde dimethyl acetal | 22483-09-6 |
| $C_4H_{11}NO_2$ | diethanolamine | 111-42-2 |
| $C_4H_{11}N_3O_7$ | diglycine nitrate | 6845-92-7 |
| $C_4H_{11}O_3P$ | dimethyl ethylphosphonate | 6163-75-3 |
| $C_4H_{11}O_3P$ | ethyl methyl methylphosphonate | 18755-36-7 |
| $C_4H_{12}BrN$ | tetramethylammonium bromide | 64-20-0 |
| $C_4H_{12}CdCl_3N$ | tetramethylammonium trichlorocadmate | 15976-91-7 |
| $C_4H_{12}CdSe$ | dimethylcadmium·dimethylselenium | 143481-65-6 |
| $C_4H_{12}ClN$ | tetramethylammonium chloride | 75-57-0 |
| $C_4H_{12}GeO_4$ | tetramethoxygermanium | 992-91-6 |
| $C_4H_{12}IN$ | tetramethylammonium iodide | 75-58-1 |
| $C_4H_{12}N_2$ | tetramethylhydrazine | 6415-12-9 |
| $C_4H_{12}N_2O_4$ | ammonium succinate | 2226-88-2 |
| $C_4H_{12}N_2O_6$ | ammonium tartrate | 3164-29-2 |
| $C_4H_{12}OSi$ | ethyldimethylsilanol | 5906-73-0 |
| $C_4H_{12}OSi$ | trimethylsilylmethanol | 3219-63-4 |
| $C_4H_{12}O_4Si$ | tetramethyl silicate | 681-84-5 |
| $C_4H_{12}P_2$ | tetramethylbiphosphine | 3676-91-3 |
| $C_4H_{12}SSi$ | trimethylsilyl methyl sulfide | 3908-55-2 |
| $C_4H_{12}SZn$ | dimethylzinc dimethylsulfide complex | 91071-61-3 |
| $C_4H_{12}SeZn$ | dimethylzinc dimethylselenium complex | 108430-95-1 |
| $C_4H_{12}Si$ | diethylsilane | 542-91-6 |
| $C_4H_{12}TeZn$ | dimethylzinc dimethyltellerium complex | 127283-03-8 |
| $C_4H_{13}Cl_2N$ | tetramethylammonium hydrogen dichloride | 5906-64-9 |
| $C_4H_{13}NSi$ | trimethylsilylmethylamine | 18166-02-4 |
| $C_4H_{20}I_2N_4Pt$ | tetramethylammonium platinum iodide | 131145-80-7 |
| $C_4Ho$ | holmium tetracarbide | 12144-72-8 |
| $C_4I_4S$ | tetraiodothiophene | 19259-11-1 |
| $C_4La$ | lanthanum tetracarbide | 12603-31-5 |
| $C_4Lu$ | lutetium tetracarbide | 37215-84-2 |
| $C_4N$ | cyanopropynylidene | 129066-33-7 |
| $C_4N_2O$ | dicyanoketene | 4361-47-1 |
| $C_4N_2O_2$ | oxalyl dicyanide | 36086-83-6 |
| $C_4N_2S$ | dicyanothioketene | 54856-36-9 |
| $C_4Nd$ | neodymium tetracarbide | 12373-84-1 |
| $C_4NiO_4$ | nickel tetracarbonyl | 13463-39-3 |
| $C_4Sc$ | scandium tetracarbide | 12547-95-4 |
| $C_4Th$ | thorium tetracarbide | 52931-63-2 |
| $C_4Ti$ | titanium tetracarbide | 12547-96-5 |
| $C_4U$ | uranium tetracarbide | 64539-55-5 |
| $C_4Y$ | monoyttrium tetracarbide | 12547-98-7 |
