CAS number index

CAS numbers starting with 40

3,360 chemicals have a CAS number that starts with 40. They are listed in CAS order.

Showing 1 to 100 of 3,360 chemicals

CAS numberChemical nameFormulaMol. weight

400-11-33-Fluoro-2-(fluoromethyl)prop-1-eneC₄H₆F₂92.09
400-13-52-FluorothiopheneC₄H₃FS102.13
400-28-2(2E)-4,4,4-Trifluoro-3-methylbut-2-enoic acidC₅H₅F₃O₂154.09
400-37-31,1,1-Trifluoroisopropyl acetateC₅H₇F₃O₂156.10
400-38-4Isopropyl trifluoroacetateC₅H₇F₃O₂156.10
400-41-92-Bromo-1,1,1,4,4,4-hexafluoro-2-buteneC₄HBrF₆242.94
400-52-2Acetic acid, trifluoro-, 1,1-dimethylethyl esterC₆H₉F₃O₂170.13
400-53-3Acetic acid, 2,2,2-trifluoro-, trimethylsilyl esterC₅H₉F₃O₂Si186.21
400-54-42,4-Hexanedione, 1,1,1-trifluoro-C₆H₇F₃O₂168.11
400-60-22-Octanone, 1,1,1-trifluoro-C₈H₁₃F₃O182.19
400-65-71,2-Dichloro-5-nitro-3-(trifluoromethyl)benzeneC₇H₂Cl₂F₃NO₂260.00
400-70-42,4-Dichloro-5-nitrobenzotrifluorideC₇H₂Cl₂F₃NO₂260.00
400-72-61-Bromo-4-methoxy-2-(trifluoromethyl)benzeneC₈H₆BrF₃O255.03
400-73-74-Chloro-3-(trifluoromethyl)anisoleC₈H₆ClF₃O210.58
400-74-82-Fluoro-5-nitrobenzotrifluorideC₇H₃F₄NO₂209.10
400-75-91-Iodo-4-nitro-2-(trifluoromethyl)benzeneC₇H₃F₃INO₂317.00
400-76-04-Amino-3-(trifluoromethyl)benzoic acidC₈H₆F₃NO₂205.13
400-89-5Methyl 5-(fluorosulfonyl)-2-hydroxybenzoateC₈H₇FO₅S234.20
400-91-93-Bromo-4,6-dinitrofluorobenzeneC₆H₂BrFN₂O₄264.99
400-93-14'-Fluoro-3'-nitroacetophenoneC₈H₆FNO₃183.14
400-94-24-Fluoro-3-nitrobenzoyl chlorideC₇H₃ClFNO₃203.56
400-96-45-(Fluorosulfonyl)-2-hydroxybenzoic acidC₇H₅FO₅S220.18
400-98-6Benzenamine, 2-nitro-4-(trifluoromethyl)-C₇H₅F₃N₂O₂206.12
400-99-72-Nitro-4-(trifluoromethyl)phenolC₇H₄F₃NO₃207.11
4000-72-01-(Aminomethyl)cyclohexan-1-olC₇H₁₅NO129.20
40000-20-21,10-Phenanthroline, 5-bromo-C₁₂H₇BrN₂259.11
40000-69-9N-(Pyridin-2-yl)prop-2-enamideC₈H₈N₂O148.16
40000-79-11,2,3,4-Tetrahydro-1,8-naphthyridin-2-oneC₈H₈N₂O148.16
400016-70-8[2-(2-Methylphenyl)quinolin-4-yl]-pyrrolidin-1-ylmethanoneC₂₁H₂₀N₂O316.40
40002-23-1Cyclohexa-1,5-diene-1-carboxylic acidC₇H₈O₂124.14
40003-41-62-Bromo-4-methyl-1,3-thiazole-5-carboxylic acidC₅H₄BrNO₂S222.06
40003-48-32-Chloro-4-methyl-1,3-thiazole-5-carboxylic acidC₅H₄ClNO₂S177.61
400037-31-2Ethyl (2E)-3-{imidazo[1,2-a]pyridin-3-yl}prop-2-enoateC₁₂H₁₂N₂O₂216.24
400038-68-8OxozolpidemC₁₉H₁₉N₃O₂321.38
40004-08-8Ethyl piperazine-1-acetateC₈H₁₆N₂O₂172.23
40004-14-6N,N-Diethyl-2-(piperazin-1-yl)acetamideC₁₀H₂₁N₃O199.30
40004-69-15-Thiazolecarboxylic acid, 2-methyl-C₅H₅NO₂S143.17
40004-96-41-O-trans-Cinnamoyl-beta-D-glucopyranoseC₁₅H₁₈O₇310.30
400044-26-0[2-(N-Methylanilino)-2-oxoethyl] 2-methyl-3-nitrobenzoateC₁₇H₁₆N₂O₅328.32
400044-47-5UK 396082C₁₂H₂₁N₃O₂239.32
400045-79-6tert-Butyl benzyl(4-iodobutyl)carbamateC₁₆H₂₄INO₂389.28
400045-86-5tert-Butyl (2-oxobutyl)carbamateC₉H₁₇NO₃187.24
400051-84-5RefChem:458481C₃₉H₄₇N₃O₇S701.89
400052-49-51-Methoxy-3-heptanethiol, (3S)-C₈H₁₈OS162.30
400055-14-3N'-[(4-Phenylcyclohexylidene)amino]oxamideC₁₄H₁₇N₃O₂259.31
400057-46-7[2-(2-Chloro-4-fluoroanilino)-2-oxoethyl] 2-(2-bicyclo[2.2.1]heptanyl)acetateC₁₇H₁₉ClFNO₃339.79
400057-59-2[2-(1-Adamantylamino)-2-oxoethyl] 2,4,5-trimethoxybenzoateC₂₂H₂₉NO₆403.48
400061-49-6[2-(1,3-Benzodioxol-5-ylmethylamino)-2-oxoethyl] 2-phenylbutanoateC₂₀H₂₁NO₅355.39
400063-96-91H-[1,2,4]Triazolo[4,3-b][1,2,4]triazole-3,6-diamineC₃H₅N₇139.12
400064-10-05-Bromo-N-(4-chlorophenyl)-2-[2-(cyclopropylamino)-2-oxoethoxy]benzamideC₁₈H₁₆BrClN₂O₃423.69
400064-68-81-Benzyl-4-(2-methoxy-4,5-dimethylphenyl)sulfonylpiperazineC₂₀H₂₆N₂O₃S374.51
400064-69-92-Benzyl-1-(4-bromophenyl)sulfonylbenzimidazoleC₂₀H₁₅BrN₂O₂S427.32
400066-36-62-{2-[(2,4-Dichlorophenyl)amino]-2-oxoethoxy}-N-(tetrahydro-2-furanylmethyl)benzamideC₂₀H₂₀Cl₂N₂O₄423.30
400066-60-61-[(4-Chlorophenyl)sulfonyl]-4-[3-(3,5-dimethyl-1H-pyrazol-1-yl)-4-nitrophenyl]piperazineC₂₁H₂₂ClN₅O₄S475.96
400066-89-91-(Methylsulfonyl)-4-(2-nitrophenyl)piperazineC₁₁H₁₅N₃O₄S285.32
400066-91-3N-Naphthalen-1-yl-2-[5-(4-nitrophenyl)imidazol-1-yl]acetamideC₂₁H₁₆N₄O₃372.38
400068-72-6Methyl 2-acetamido-3,3,3-trifluoro-2-[(4-methylpyridin-2-yl)amino]propanoateC₁₂H₁₄F₃N₃O₃305.26
400070-04-4Methyl 3,4,5-trimethoxy-2-[(methoxycarbonyl)amino]benzoateC₁₃H₁₇NO₇299.28
400070-22-6N-(3-Nitrophenyl)-2-(tetrazol-1-yl)acetamideC₉H₈N₆O₃248.20
400071-95-65-Bromo-1-methyl-1H-indole-3-carboxylic acidC₁₀H₈BrNO₂254.08
400073-77-03-Methyl-1-(2,2,6,6-tetramethylpiperidin-4-yl)piperidin-4-oneC₁₅H₂₈N₂O252.40
400073-80-52-[3-(Trifluoromethyl)phenyl]-1H-benzimidazoleC₁₄H₉F₃N₂262.23
400073-81-6N-(2-Aminophenyl)-4-(trifluoromethyl)benzamideC₁₄H₁₁F₃N₂O280.25
400073-82-7N-(2-Aminophenyl)-3-(trifluoromethyl)benzamideC₁₄H₁₁F₃N₂O280.25
400073-84-95-Amino-2-phenyl-2H-1,2,3-triazole-4-carboxylic acidC₉H₈N₄O₂204.19
400074-17-13-(1,3-Benzothiazol-2-yl)-1-(4-chlorobenzyl)-2(1H)-pyridinoneC₁₉H₁₃ClN₂OS352.85
400074-19-35-[(3-Chlorobenzoyl)amino]-2-methoxy-1-pyridiniumolateC₁₃H₁₁ClN₂O₃278.69
400074-33-16-Chloro-N~4~-(3-methoxybenzyl)-N~2~-methyl-5-(methylsulfanyl)-2,4-pyrimidinediamineC₁₄H₁₇ClN₄OS324.84
400074-39-7Methyl 5-(3-methoxybenzyl)-4-oxo-4,5,6,7-tetrahydropyrazolo[1,5-a]pyrazine-2-carboxylateC₁₆H₁₇N₃O₄315.33
400074-56-8Methyl 4-{[5-(trifluoromethyl)-2-pyridinyl]oxy}benzenecarboxylateC₁₄H₁₀F₃NO₃297.23
400074-63-73-(4-Chlorophenyl)-5,6,7,8-tetrahydro[1,2,4]triazolo[4,3-a]pyridineC₁₂H₁₂ClN₃233.70
400074-73-92-Amino-4-methyl-N-phenylpyrimidine-5-carboxamideC₁₂H₁₂N₄O228.25
400074-75-1N-(3,5-Dichlorophenyl)-1H-1,2,4-triazol-5-amineC₈H₆Cl₂N₄229.07
400074-76-2Methyl 1-phenyl-3-(4-pyridinyl)-1H-pyrazole-4-carboxylateC₁₆H₁₃N₃O₂279.30
400074-79-52-(Benzylsulfanyl)-5-methyl[1,2,4]triazolo[1,5-a]pyrimidin-7-yl methyl etherC₁₄H₁₄N₄OS286.36
400074-83-11-[(3-Chlorophenyl)methyl]-3-(5-methylsulfanyl-1,3,4-oxadiazol-2-yl)pyridin-2-oneC₁₅H₁₂ClN₃O₂S333.80
400074-95-52-{[1-(4-Chlorobenzyl)-2-oxo-1,2-dihydro-3-pyridinyl]carbonyl}-N-ethyl-1-hydrazinecarbothioamideC₁₆H₁₇ClN₄O₂S364.86
400074-96-6N-Allyl-2-{[1-(4-chlorobenzyl)-2-oxo-1,2-dihydro-3-pyridinyl]carbonyl}-1-hydrazinecarbothioamideC₁₇H₁₇ClN₄O₂S376.87
400074-99-93-(4-Allyl-5-sulfanyl-4H-1,2,4-triazol-3-yl)-1-(4-chlorobenzyl)-2(1H)-pyridinoneC₁₇H₁₅ClN₄OS358.85
400075-08-32-(3-Nitrophenyl)-4-phenyl-1,2-dihydro-3H-pyrazol-3-oneC₁₅H₁₁N₃O₃281.27
400075-09-44-(4-Chlorophenyl)-2-phenyl-1,2-dihydro-3H-pyrazol-3-oneC₁₅H₁₁ClN₂O270.72
400075-23-2N'-(4-Chlorobenzoyl)-2-hydroxybenzohydrazideC₁₄H₁₁ClN₂O₃290.71
400075-29-8Ethyl 6-(1H-1,2,4-triazol-1-yl)nicotinateC₁₀H₁₀N₄O₂218.22
400075-39-02-(Benzenesulfonyl)-5-(4-bromophenyl)-5-oxopentanamideC₁₇H₁₆BrNO₄S410.29
400075-53-82-[4-(3-Chlorophenyl)piperazin-1-yl]-1-(4-fluorophenyl)ethanolC₁₈H₂₀ClFN₂O334.82
400075-55-01-(4-Fluorophenyl)-2-[4-(2-fluorophenyl)piperazino]-1-ethanolC₁₈H₂₀F₂N₂O318.37
400075-81-23-(4-Chlorophenyl)-4,5,6,7-tetrahydro-1H-indazoleC₁₃H₁₃ClN₂232.71
400075-85-6N'-[1-[3-Chloro-5-(trifluoromethyl)pyridin-2-yl]-1,2,4-triazol-3-yl]-N,N-dimethylmethanimidamideC₁₁H₁₀ClF₃N₆318.69
400075-96-95-(1-Benzyl-5-chloro-1H-1,3-benzimidazol-2-yl)-2(1H)-pyridinoneC₁₉H₁₄ClN₃O335.79
400075-98-13-(5-Chloro-1-methyl-1H-1,3-benzimidazol-2-yl)-2(1H)-pyridinoneC₁₃H₁₀ClN₃O259.70
400076-00-83-[1-(4-Chlorobenzyl)-1H-1,3-benzimidazol-2-yl]-2(1H)-pyridinoneC₁₉H₁₄ClN₃O335.79
400076-01-95-Chloro-2-(6-chloro-3-pyridinyl)-1-methyl-1H-1,3-benzimidazoleC₁₃H₉Cl₂N₃278.14
400076-02-02-Methoxy-5-[(4-methylbenzoyl)amino]-1-pyridiniumolateC₁₄H₁₄N₂O₃258.28
400076-17-73-[(4-Chlorophenyl)sulfanyl]-2-pyrazinecarbonitrileC₁₁H₆ClN₃S247.71
400076-29-14-[(2-Chlorophenyl)sulfanyl]-2-phenyl-5-pyrimidinecarboxylic acidC₁₇H₁₁ClN₂O₂S342.81
400076-44-02-Allyl-5-nitro-1(2H)-isoquinolinoneC₁₂H₁₀N₂O₃230.22
400076-51-92-Methyl-4-(pyridin-4-yl)pyrimidine-5-carboxylic acidC₁₁H₉N₃O₂215.21
400076-55-33-(4-Chlorophenyl)-N-ethyl-4-(1H-1,2,4-triazol-1-yl)-1H-pyrazole-1-carboxamideC₁₄H₁₃ClN₆O316.75
400076-58-64-(3-Chlorophenyl)-5-methyl-2-phenyl-1,2-dihydro-3H-pyrazol-3-oneC₁₆H₁₃ClN₂O284.75
400076-77-92-(2-Cyano-3-fluorophenyl)-2-(1-methyl-1H-pyrrol-2-yl)succinonitrileC₁₆H₁₁FN₄278.29

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