CAS number index

CAS numbers starting with 55, page 5

2,677 chemicals have a CAS number that starts with 55. They are listed in CAS order.

Showing 401 to 500 of 2,677 chemicals

CAS numberChemical nameFormulaMol. weight

55184-84-42-Oxo-2-phenylethyl 3-chlorobenzoateC₁₅H₁₁ClO₃274.70
55185-18-71,3-BenzenedicarboxylateC₈H₄O₄-₂164.12
55186-89-51-Benzyl-1,4-diazepan-5-oneC₁₂H₁₆N₂O204.27
5519-42-63,4,5-TrimethylpyrazoleC₆H₁₀N₂110.16
5519-50-63-Piperidinone, 1-methyl-C₆H₁₁NO113.16
551901-39-4[2-(2,4-Dimethoxyphenyl)quinolin-4-yl]-pyrrolidin-1-ylmethanoneC₂₂H₂₂N₂O₃362.43
551901-71-4N'-(2,3-Dimethoxybenzylidene)cyclohexanecarbohydrazideC₁₆H₂₂N₂O₃290.36
551903-66-3N-Decyl-2,2-dimethylpropanamideC₁₅H₃₁NO241.42
551907-07-42-(3-Bromophenyl)-N-(pyridin-3-ylmethyl)quinoline-4-carboxamideC₂₂H₁₆BrN₃O418.29
551907-13-25-Bromo-N-(4-methyl-1,3-thiazol-2-yl)furan-2-carboxamideC₉H₇BrN₂O₂S287.14
551907-33-63-(4-Benzylpiperidin-1-yl)-3-oxopropanenitrileC₁₅H₁₈N₂O242.32
551907-44-9N-(3-Ethylphenyl)-5-methylfuran-2-carboxamideC₁₄H₁₅NO₂229.28
551908-16-81-[(2-Nitrophenyl)sulfonyl]-1H-pyrazoleC₉H₇N₃O₄S253.24
551908-71-5N-[4-(Acetylsulfamoyl)phenyl]naphthalene-1-carboxamideC₁₉H₁₆N₂O₄S368.41
551909-18-3N-(2,6-Dichlorophenyl)-2-methylfuran-3-carboxamideC₁₂H₉Cl₂NO₂270.12
551909-20-75-[4-(3-Chlorophenyl)piperazin-1-yl]-5-oxopentanoic acidC₁₅H₁₉ClN₂O₃310.78
551909-42-3N-Cyclohexyl-N'-(4-methylbenzyl)ureaC₁₅H₂₂N₂O246.35
551909-65-04-[(4-Fluorobenzyl)amino]-4-oxobutanoic acidC₁₁H₁₂FNO₃225.22
551910-46-4Methyl 2-(3-chloropropanamido)-5,6-dihydro-4H-cyclopenta[b]thiophene-3-carboxylateC₁₂H₁₄ClNO₃S287.77
551913-16-73-Fluoro-N-undecylbenzamideC₁₈H₂₈FNO293.43
551913-68-9N-(2-Methoxyphenyl)-2-naphthalen-2-yloxyacetamideC₁₉H₁₇NO₃307.35
551916-85-9(3,4-Dihydroisoquinolin-2(1H)-yl)(pyrazin-2-yl)methanoneC₁₄H₁₃N₃O239.28
551917-20-5Methyl (3-carbamoyl-6-methyl-4,5,6,7-tetrahydro-1-benzothiophen-2-yl)carbamateC₁₂H₁₆N₂O₃S268.34
551917-33-02-Ethyl-1-(6-fluoro-2-methyl-3,4-dihydroquinolin-1(2H)-yl)butan-1-oneC₁₆H₂₂FNO263.36
551917-63-6N-(3-Chlorophenyl)-N'-(4-morpholinyl)ureaC₁₁H₁₄ClN₃O₂255.71
551919-02-9N-(2,3-Dihydro-1,4-benzodioxin-6-yl)quinoline-8-sulfonamideC₁₇H₁₄N₂O₄S342.38
551919-54-1N-Cyclopropyl-4-pyrazolo(1,5-b)pyridazin-3-ylpyrimidin-2-amineC₁₃H₁₂N₆252.28
551919-57-41-{Pyrazolo[1,5-b]pyridazin-3-yl}ethan-1-oneC₈H₇N₃O161.16
551919-60-9Bis(1-(2,2,2-trifluoroethyl)guanidine), sulfuric acidC₆H₁₄F₆N₆O₄S380.27
551919-61-0Pyrazolo[1,5-b]pyridazine deriv. 16C₁₆H₁₂N₆288.31
551919-64-33-[(4-Pyrazolo[1,5-b]pyridazin-3-yl-2-pyrimidinyl)amino]benzonitrileC₁₇H₁₁N₇313.32
551920-04-8N-{4-[(Diethylamino)methyl]phenyl}-4-{pyrazolo[1,5-b]pyridazin-3-yl}pyrimidin-2-amineC₂₁H₂₃N₇373.46
551920-54-8Pyrazolopyridazine 1C₁₇H₁₄N₆O318.34
551920-76-4Cyanomethyl 3-(1H-pyrrol-1-yl)-2-thiophenecarboxylateC₁₁H₈N₂O₂S232.26
551920-77-5N-Ethyl-3-(1H-pyrrol-1-yl)-2-thiophenecarboxamideC₁₁H₁₂N₂OS220.30
551920-78-6N-Methyl-3-(1H-pyrrol-1-yl)-2-thiophenecarboxamideC₁₀H₁₀N₂OS206.27
551920-79-7N-Cyclopropyl-3-(1H-pyrrol-1-yl)-2-thiophenecarboxamideC₁₂H₁₂N₂OS232.31
551920-81-1N-Cyclohexyl-5-methyl-1,2-oxazole-4-carboxamideC₁₁H₁₆N₂O₂208.26
551920-83-3Isopropyl N-{1-[(4-methylphenyl)sulfonyl]-4-piperidinyl}carbamateC₁₆H₂₄N₂O₄S340.44
551920-86-6N-{1-[(4-Methoxyphenyl)sulfonyl]-4-piperidinyl}-4-morpholinecarboxamideC₁₇H₂₅N₃O₅S383.47
551920-87-74-Methoxybenzyl N-{1-[(4-methoxyphenyl)sulfonyl]-4-piperidinyl}carbamateC₂₁H₂₆N₂O₆S434.51
551920-97-92-(Acetylamino)-N~1~-benzyl-N~3~-(4-methoxyphenyl)malonamideC₁₉H₂₁N₃O₄355.39
551921-00-71-(4-Methylpiperazino)-2-[2-(trifluoromethyl)-1H-1,3-benzimidazol-1-yl]-1-ethanoneC₁₅H₁₇F₃N₄O326.32
551921-01-85-(1-Methylhydrazino)-3-phenyl-6-(trifluoromethyl)-1,2,4-triazineC₁₁H₁₀F₃N₅269.23
551921-02-9tert-Butyl 4-(2-chloronicotinoyl)piperazine-1-carboxylateC₁₅H₂₀ClN₃O₃325.80
551921-04-12-Acetamido-N-(4-methoxyphenyl)-N'-[(4-methoxyphenyl)methyl]propanediamideC₂₀H₂₃N₃O₅385.42
551921-05-22-(Acetylamino)-N~1~-(2-chlorobenzyl)-N~3~-(4-methoxyphenyl)malonamideC₁₉H₂₀ClN₃O₄389.84
551921-06-32-(Acetylamino)-N~1~-(2-methoxybenzyl)-N~3~-(4-methoxyphenyl)malonamideC₂₀H₂₃N₃O₅385.42
551921-07-42-(Acetylamino)-N~1~-(4-fluorobenzyl)-N~3~-(4-methoxyphenyl)malonamideC₁₉H₂₀FN₃O₄373.38
551921-25-63-(4-Chlorophenyl)-5-{[(3-chlorophenyl)sulfanyl]methyl}isoxazoleC₁₆H₁₁Cl₂NOS336.24
551921-28-92-{[3-(2-Chlorophenyl)-5-isoxazolyl]methyl}-1H-isoindole-1,3(2H)-dioneC₁₈H₁₁ClN₂O₃338.75
551921-29-02-{[3-(4-Methoxyphenyl)-5-isoxazolyl]methyl}-1H-isoindole-1,3(2H)-dioneC₁₉H₁₄N₂O₄334.33
551921-31-4N-{[3-(4-Methoxyphenyl)-5-isoxazolyl]methyl}acetamideC₁₃H₁₄N₂O₃246.27
551921-32-53-(4-Chlorophenyl)-5-[(4-methoxyphenoxy)methyl]-1,2-oxazoleC₁₇H₁₄ClNO₃315.76
551921-34-75-[(4-Fluorophenoxy)methyl]-3-phenyl-1,2-oxazoleC₁₆H₁₂FNO₂269.27
551921-35-83-(4-Chlorophenyl)-5-(phenoxymethyl)-1,2-oxazoleC₁₆H₁₂ClNO₂285.73
551921-43-84-Methoxy-N-[2-[(4-methoxybenzoyl)amino]oxyethyl]benzamideC₁₈H₂₀N₂O₅344.37
551921-48-33-[(Dimethylamino)methyl]-1-(4-methylphenyl)-4-phenyl-2-azetanoneC₁₉H₂₂N₂O294.40
551921-49-41-(4-Methylphenyl)-4-phenyl-3-(1-pyrrolidinylmethyl)-2-azetanoneC₂₁H₂₄N₂O320.44
551921-50-71-(4-Methylphenyl)-4-phenyl-3-(piperidinomethyl)-2-azetanoneC₂₂H₂₆N₂O334.46
551921-52-95-(4-Chlorophenyl)-3-{[(4-methylphenyl)sulfanyl]methyl}isoxazoleC₁₇H₁₄ClNOS315.82
551921-53-0(4-Benzoyl-1-methyltetrahydro-1H-pyrrol-3-yl)(phenyl)methanoneC₁₉H₁₉NO₂293.37
551921-54-1[4-(4-Chlorophenyl)-1-phenyltetrahydro-1H-pyrrol-3-yl](4-methoxyphenyl)methanoneC₂₄H₂₂ClNO₂391.90
551921-55-2(4-Fluorophenyl)[4-(4-methylphenyl)-1-phenyltetrahydro-1H-pyrrol-3-yl]methanoneC₂₄H₂₂FNO359.44
551921-57-45-Amino-1-(4-phenoxyphenyl)-1H-imidazole-4-carbonitrileC₁₆H₁₂N₄O276.30
551921-59-65-Amino-1-(2-ethoxyphenyl)-1H-imidazole-4-carbonitrileC₁₂H₁₂N₄O228.25
551921-70-11-(4-Chlorobenzyl)-3-(morpholinocarbonyl)-6-(trifluoromethyl)-2(1H)-pyridinoneC₁₈H₁₆ClF₃N₂O₃400.78
551922-59-94-[4-(Allyloxy)-2-methylbenzoyl]-1-[2-(dimethylamino)ethyl]-3-hydroxy-5-phenyl-1,5-dihydro-2H-pyrrol-2-oneC₂₅H₂₈N₂O₄420.51
551922-62-44-[4-(Allyloxy)-2-methylbenzoyl]-3-hydroxy-1-[3-(4-morpholinyl)propyl]-5-phenyl-1,5-dihydro-2H-pyrrol-2-oneC₂₈H₃₂N₂O₅476.57
551923-14-93-Methyl-1,4'-bipiperidineC₁₁H₂₂N₂182.31
551923-16-11-(Piperidin-4-yl)azepaneC₁₁H₂₂N₂182.31
551923-32-1(E)-N-(4-(N-(4-Methylpyrimidin-2-yl)sulfamoyl)phenyl)-3-(thiophen-2-yl)acrylamideC₁₈H₁₆N₄O₃S₂400.49
551923-59-2N-(3-(Trifluoromethyl)phenyl)-1-naphthamideC₁₈H₁₂F₃NO315.29
551925-03-23-Methoxy-N'-(2-methyl-3-phenyl-2-propenylidene)benzohydrazideC₁₈H₁₈N₂O₂294.35
551926-02-42-(3,4-Dimethoxyphenyl)-N-naphthalen-1-ylacetamideC₂₀H₁₉NO₃321.38
551926-70-6N-(4-Bromo-2-fluorophenyl)-3-chloropropanamideC₉H₈BrClFNO280.52
551927-75-43-Methyl-N-[4-(1,3-thiazol-2-ylsulfamoyl)phenyl]butanamideC₁₄H₁₇N₃O₃S₂339.44
551930-54-25-(5-Isoxazolyl)-2-furansulfonyl chlorideC₇H₄ClNO₄S233.63
551930-57-51-{[5-(5-Isoxazolyl)-2-thienyl]sulfonyl}piperidineC₁₂H₁₄N₂O₃S₂298.39
551930-61-11-(4-Bromophenyl)-1H-pyrrole-3-carbaldehyde oximeC₁₁H₉BrN₂O265.11
551930-66-6(E)-3-(Dimethylamino)-1-[4-(1H-pyrrol-1-yl)phenyl]-2-propen-1-oneC₁₅H₁₆N₂O240.31
551930-68-8Ethyl 2-(2-chlorophenyl)indolizine-1-carboxylateC₁₇H₁₄ClNO₂299.76
551930-95-1N-Phenyl-2-{[3-(1H-pyrrol-1-yl)-2-thienyl]carbonyl}-1-hydrazinecarboxamideC₁₆H₁₄N₄O₂S326.38
551930-99-53-(4-Chlorophenyl)-5-{1-[(2-chlorophenyl)sulfonyl]-2-pyrrolidinyl}-1,2,4-oxadiazoleC₁₈H₁₅Cl₂N₃O₃S424.31
551931-00-13-(3-Chlorophenyl)-5-{1-[(2-chlorophenyl)sulfonyl]-2-pyrrolidinyl}-1,2,4-oxadiazoleC₁₈H₁₅Cl₂N₃O₃S424.31
551931-01-23-(2-Chlorophenyl)-5-{1-[(2-chlorophenyl)sulfonyl]-2-pyrrolidinyl}-1,2,4-oxadiazoleC₁₈H₁₅Cl₂N₃O₃S424.31
551931-08-9(3Z)-3-(Dimethylaminomethylidene)-5-methylfuran-2-oneC₈H₁₁NO₂153.18
551931-21-62-[(3-Fluorobenzyl)sulfanyl]-6-methyl-4(3H)-pyrimidinoneC₁₂H₁₁FN₂OS250.30
551931-22-75-[(E)-(4-Fluorophenyl)methylidene]-1-(2-methoxyethyl)-2,4,6(1H,3H,5H)-pyrimidinetrioneC₁₄H₁₃FN₂O₄292.27
551931-27-24-(2-Bromobenzoyl)-N-cyclohexyl-1H-pyrrole-2-carboxamideC₁₈H₁₉BrN₂O₂375.27
551931-32-9(E)-4-Oxo-4-(6-quinoxalinylamino)-2-butenoic acidC₁₂H₉N₃O₃243.22
551931-33-04-Methyl-N-(6-quinoxalinyl)benzenecarboxamideC₁₆H₁₃N₃O263.30
551931-35-22-({2-[4-(4-Fluorophenyl)piperazino]-2-oxoethyl}sulfanyl)acetic acidC₁₄H₁₇FN₂O₃S312.37
551931-42-11-(4-Methylphenyl)sulfonyl-N-(pyridin-3-ylmethyl)piperidine-4-carboxamideC₁₉H₂₃N₃O₃S373.48
551931-43-2N-[(2-Chlorophenyl)methyl]-1-(4-methylphenyl)sulfonyl-4-piperidinecarboxamideC₂₀H₂₃ClN₂O₃S406.94
551931-54-5N-Cyclohexyl-1-((4-fluorophenyl)sulfonyl)piperidine-4-carboxamideC₁₈H₂₅FN₂O₃S368.47
551932-03-72-(5-Furan-2-yl-[1,3,4]oxadiazol-2-ylsulfanyl)-1-morpholin-4-yl-ethanoneC₁₂H₁₃N₃O₄S295.32
551933-65-41-(1-Cyclopentyl-1H-tetrazol-5-ylmethyl)-piperidineC₁₂H₂₁N₅235.34
551935-92-3N-Cyclopropyl-N'-hydroxyguanidine hydrochlorideC₄H₁₀ClN₃O151.60
551945-40-58-Methyl-3-[(2-o-tolyl-ethylamino)-methyl]-1H-quinolin-2-oneC₂₀H₂₂N₂O306.41

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