CAS number index

CAS numbers starting with 521, page 2

318 chemicals have a CAS number that starts with 521. They are listed in CAS order.

Showing 101 to 200 of 318 chemicals

CAS numberChemical nameFormulaMol. weight

52128-85-55-Methyl-1,2-diphenyl-1,2-dihydro-3H-pyrazol-3-oneC₁₆H₁₄N₂O250.30
521280-59-1[2-(4-Acetamidoanilino)-2-oxoethyl] 3-[ethyl(phenyl)sulfamoyl]benzoateC₂₅H₂₅N₃O₆S495.56
521280-72-85-Chloro-N-[3-(1H-imidazol-1-yl)propyl]-4-(4-methylbenzenesulfonyl)-1,3-thiazol-2-amineC₁₆H₁₇ClN₄O₂S₂396.93
521281-14-12-Ethoxy-N-(3-morpholin-4-ylsulfonylphenyl)pyridine-3-carboxamideC₁₈H₂₁N₃O₅S391.45
521281-71-04-(2-Methylindolizine-3-carbonyl)benzonitrileC₁₇H₁₂N₂O260.30
521281-75-4N-[3-[(2-Chlorophenyl)sulfamoyl]-4-morpholin-4-ylphenyl]-2-methylpropanamideC₂₀H₂₄ClN₃O₄S437.95
521281-85-6N-Cyclopentyl-3-[methyl(phenyl)sulfamoyl]benzamideC₁₉H₂₂N₂O₃S358.46
521282-06-44-(3-Methylpiperidin-1-yl)-3-nitro-N-pyridin-3-ylbenzamideC₁₈H₂₀N₄O₃340.38
521282-12-23-(1-Azepanylsulfonyl)-4-chloro-N-(1H-1,2,4-triazol-5-yl)benzamideC₁₅H₁₈ClN₅O₃S383.86
521282-56-44-Chloro-N-cyclohexyl-N-pyridin-2-ylbenzamideC₁₈H₁₉ClN₂O314.82
521282-86-0N-(1,5-Dimethyl-3-oxo-2-phenylpyrazol-4-yl)-2-(4-methylphenyl)quinoline-4-carboxamideC₂₈H₂₄N₄O₂448.53
521283-09-02-(4-Ethylpiperazin-1-yl)pyrido[1,2-a]pyrimidin-4-oneC₁₄H₁₈N₄O258.32
521283-72-7N-Cyclopropyl-2,3-dihydro-1,4-dioxine-5-carboxamideC₈H₁₁NO₃169.18
521283-79-4N,N-Dimethyl-3-(1-methylimidazole-2-carbonyl)benzenesulfonamideC₁₃H₁₅N₃O₃S293.35
521283-90-92-(4-Methoxyphenyl)-5-[(2-phenylethyl)amino]-1,3-oxazole-4-carbonitrileC₁₉H₁₇N₃O₂319.36
521284-22-02-((4-Aminophenethyl)amino)-1-phenylethanol hydrochloride, (R)-C₁₆H₂₁ClN₂O292.81
521286-38-42-(((tert-Butoxy)carbonyl)amino)pentanoic acidC₁₀H₁₉NO₄217.26
52129-98-34-PropanoylbenzonitrileC₁₀H₉NO159.19
521294-90-6N-(5-(4-Methoxybenzyl)-1,3,4-thiadiazol-2-yl)-3-phenylpropanamideC₁₉H₁₉N₃O₂S353.45
521294-91-7N-[5-[(4-Methoxyphenyl)methyl]-1,3,4-thiadiazol-2-yl]-2-thiophen-2-ylacetamideC₁₆H₁₅N₃O₂S₂345.45
521294-92-8N-[5-(2-Methylpropyl)-1,3,4-thiadiazol-2-yl]-2-thiophen-2-ylacetamideC₁₂H₁₅N₃OS₂281.41
521294-97-33-Methyl-N-(4-pyrrolidin-1-ylsulfonylphenyl)butanamideC₁₅H₂₂N₂O₃S310.42
521295-10-3N-[4-(tert-Butylsulfamoyl)phenyl]cyclohexanecarboxamideC₁₇H₂₆N₂O₃S338.47
521295-12-55-Methyl-3-phenyl-N-(4-pyrrolidin-1-ylsulfonylphenyl)-1,2-oxazole-4-carboxamideC₂₁H₂₁N₃O₄S411.48
521295-13-6N-[5-[(4-Methoxyphenyl)methyl]-1,3,4-thiadiazol-2-yl]-5-methyl-3-phenyl-1,2-oxazole-4-carboxamideC₂₁H₁₈N₄O₃S406.47
521295-15-85-Methyl-N-[5-(2-methylpropyl)-1,3,4-thiadiazol-2-yl]-3-phenyl-1,2-oxazole-4-carboxamideC₁₇H₁₈N₄O₂S342.42
521295-17-03-Phenyl-N-(4-pyrrolidin-1-ylsulfonylphenyl)butanamideC₂₀H₂₄N₂O₃S372.49
521295-60-3N-[4-(4-Methoxyphenoxy)phenyl]-2-methylbenzamideC₂₁H₁₉NO₃333.39
521295-70-56-{[4-(3,5-Dimethylphenoxy)phenyl]carbamoyl}cyclohex-3-ene-1-carboxylic acidC₂₂H₂₃NO₄365.43
521297-71-24-(5-Methyl-1,3-dioxo-1,3,3a,4,7,7a-hexahydro-2H-isoindol-2-yl)phenyl furan-2-carboxylateC₂₀H₁₇NO₅351.36
521298-74-8Ethyl 2-[(benzylsulfonyl)amino]-4,5,6,7-tetrahydro-1-benzothiophene-3-carboxylateC₁₈H₂₁NO₄S₂379.50
521299-46-72-(4-Chlorophenyl)-N-[2-(4-fluorophenyl)ethyl]acetamideC₁₆H₁₅ClFNO291.75
521299-90-13-Phenyl-N-[4-(pyrimidin-2-ylsulfamoyl)phenyl]butanamideC₂₀H₂₀N₄O₃S396.47
5213-16-14-Bromo-2-methoxybenzoyl chlorideC₈H₆BrClO₂249.49
5213-24-14-tert-Butyl-6-(2-methoxypropan-2-yl)pyrimidin-2-amineC₁₂H₂₁N₃O223.32
5213-35-4Imidazole, 4-methyl-2-nitro-, mixed with 5-methyl-2-nitroimidazole (1:1)C₄H₅N₃O₂127.10
5213-49-02,4-DinitroimidazoleC₃H₂N₄O₄158.07
5213-82-13-(Benzylsulfanyl)-6-methyl-1,2,4-triazin-5-olC₁₁H₁₁N₃OS233.30
5213-88-73-(3-Nitrophenyl)-1-phenyl-2-propyn-1-oneC₁₅H₉NO₃251.24
52130-17-33-Amino-2-methylbenzoic acidC₈H₉NO₂151.16
52130-25-35-HydroxydantroleneC₁₄H₁₀N₄O₆330.26
52130-30-05-(3-(Trifluoromethyl)phenyl)furfuralC₁₂H₇F₃O₂240.18
52130-33-3Hydantoin, 1-((5-(3,4-dichlorophenyl)-2-furanyl)methyleneamino)-5-hydroxy-C₁₄H₉Cl₂N₃O₄354.15
52130-34-45-(3,4-Dichlorophenyl)-2-furaldehydeC₁₁H₆Cl₂O₂241.07
52130-86-62-Bromo-N-[2-(2-fluorobenzoyl)-4-nitrophenyl]acetamideC₁₅H₁₀BrFN₂O₄381.16
52130-87-72-Bromo-N-[2-(2-chlorobenzoyl)-4-nitrophenyl]acetamideC₁₅H₁₀BrClN₂O₄397.61
521300-00-5N-(4-Acetamidophenyl)-5-methyl-3-phenyl-1,2-oxazole-4-carboxamideC₁₉H₁₇N₃O₃335.36
521300-02-7N-Benzyl-2,2-dimethyl-N-(pyridin-2-yl)propanamideC₁₇H₂₀N₂O268.36
521300-03-84-Amino-3-(propan-2-yl)-1H-pyrazole-5-carboxamideC₇H₁₂N₄O168.20
521300-10-72-(4-Fluorophenyl)-N-(2-methoxyethyl)acetamideC₁₁H₁₄FNO₂211.24
521300-14-1Methyl 4-{[(4-fluorophenyl)acetyl]amino}benzoateC₁₆H₁₄FNO₃287.29
521300-44-72-(2-Chloro-6-methylphenyl)acetic acidC₉H₉ClO₂184.62
521304-36-91,3-Dimethylimidazolium methanesulfonateC₆H₁₂N₂O₃S192.24
52131-48-3Ethyl 2-quinolin-2-ylsulfanylacetateC₁₃H₁₃NO₂S247.32
52131-82-59-[(Oxiran-2-yl)methyl]-9H-carbazoleC₁₅H₁₃NO223.28
521313-35-92-Heptyl-3-hydroxy-4-quinoloneC₁₆H₂₁NO₂259.35
521314-04-52-[4-(Ethylsulfamoyl)phenyl]acetic acidC₁₀H₁₃NO₄S243.28
521318-03-6N-Cyclopropyl-2-pyridin-2-ylquinoline-4-carboxamideC₁₈H₁₅N₃O289.34
521318-27-4N-(2-Chloro-3-pyridinyl)-4-fluorobenzenesulfonamideC₁₁H₈ClFN₂O₂S286.71
521318-61-65-{[2-(Dimethylamino)ethyl]amino}-2-(4-methoxyphenyl)-1,3-oxazole-4-carbonitrileC₁₅H₁₈N₄O₂286.33
521318-69-42-[[3-(3-Oxo-1,2-benzothiazol-2-yl)phenyl]sulfonylamino]benzoic acidC₂₀H₁₄N₂O₅S₂426.48
521318-97-8N-(Oxolan-2-ylmethyl)-3-[[3-(trifluoromethyl)phenyl]sulfamoyl]benzamideC₁₉H₁₉F₃N₂O₄S428.43
521319-69-75-[3-[2-(Dimethylamino)ethylamino]-2-hydroxypropoxy]-2-phenyl-3-benzofurancarboxylic acid ethyl esterC₂₄H₃₀N₂O₅426.51
521319-81-35,7-Dimethyl-2-[(1H-1,2,4-triazol-5-ylsulfanyl)methyl]imidazo[1,2-a]pyrimidineC₁₁H₁₂N₆S260.33
521319-95-9N-[(2-Phenyl-1,3-thiazol-4-yl)methyl]furan-2-carboxamideC₁₅H₁₂N₂O₂S284.34
521320-01-41-(3,4-Dimethoxyphenyl)-3,3-difluoro-4-(4-methylphenyl)azetidin-2-oneC₁₈H₁₇F₂NO₃333.33
521320-04-72-(4-Methoxyphenyl)-5-(prop-2-enylamino)-1,3-oxazole-4-carbonitrileC₁₄H₁₃N₃O₂255.28
521320-07-01-(3,4-Dimethylphenyl)-2-(quinoxalin-2-ylsulfanyl)ethan-1-oneC₁₈H₁₆N₂OS308.41
521320-54-72-(2-Chlorophenyl)-N-(2-methoxyethyl)-4-(4-methylphenyl)sulfonyl-1,3-oxazol-5-amineC₁₉H₁₉ClN₂O₄S406.89
521320-99-0N,N-Dimethyl-4-(2-methylindolizine-3-carbonyl)benzenesulfonamideC₁₈H₁₈N₂O₃S342.42
521322-05-4N-Cyclopentyl-2-(quinoxalin-2-ylsulfanyl)acetamideC₁₅H₁₇N₃OS287.39
521322-26-91-[3-Chloro-4-(difluoromethoxy)phenyl]-3-(3-fluoro-4-methylphenyl)thioureaC₁₅H₁₂ClF₃N₂OS360.79
521327-92-4Methyl 2-[(4E)-1-(1,3-benzothiazol-2-yl)-4-[1-(4-chloroanilino)ethylidene]-5-oxopyrazol-3-yl]acetateC₂₁H₁₇ClN₄O₃S440.91
521327-93-52-[(4E)-1-(1,3-Benzothiazol-2-yl)-4-[1-(4-methoxyanilino)ethylidene]-5-oxo-3-pyrazolyl]acetic acid methyl esterC₂₂H₂₀N₄O₄S436.49
521328-07-42-{1-[4-(Pyridin-2-yl)piperazin-1-yl]ethylidene}-1H-indene-1,3(2H)-dioneC₂₀H₁₉N₃O₂333.39
521329-08-81-{5-[(3,4-Dimethoxyphenyl)amino]-1,2,4-thiadiazol-3-yl}propan-2-oneC₁₃H₁₅N₃O₃S293.35
52133-67-2Ethyl 2-cyano-4,4-diethoxybutyrateC₁₁H₁₉NO₄229.28
52134-62-08-HydroxymethylriboflavinC₁₇H₂₀N₄O₇392.37
5214-61-91-(Benzylmethylamino)-3-(alpha,alpha,alpha-trifluoro-3-tolyl)oxy-2-propanolC₁₈H₂₀F₃NO₂339.36
52140-59-71',2'-Dihydrospiro[cyclohexane-1,3'-indole]-2',4-dioneC₁₃H₁₃NO₂215.25
52142-48-0N-(4-Isopropoxybenzyl)-N'-(4-methoxybenzyl)thioureaC₁₉H₂₄N₂O₂S344.48
52142-53-71-[(4-Propan-2-yloxyphenyl)methyl]-3-[(4-propoxyphenyl)methyl]thioureaC₂₁H₂₈N₂O₂S372.53
52144-28-24-Methoxy-6-nitroquinoline-2-carboxylic acidC₁₁H₈N₂O₅248.19
52144-69-1n-PropylpentafluorobenzeneC₉H₇F₅210.15
52144-92-01-[3,5-Bis(phenylmethoxy)phenyl]-2-[(1,1-dimethylethyl)(phenylmethyl)amino]ethanoneC₃₃H₃₅NO₃493.65
52146-21-15,5-Dimethylheptanoic acidC₉H₁₈O₂158.24
52146-70-0SabandinolC₁₅H₁₆O₇308.29
52146-86-82,4-Dinitrotoluene-5-sulfonic acidC₇H₆N₂O₇S262.20
52147-62-31-Anilino-6-phenyl-2,5-dithiobiureaC₁₄H₁₅N₅S₂317.44
52147-67-8Methyl (methylsulphinyl)acetateC₄H₈O₃S136.17
52147-97-4(E)-2-Phenylethene-1-sulfonyl chlorideC₈H₇ClO₂S202.66
52147-98-5(E)-2-(4-Chlorophenyl)ethene-1-sulfonyl chlorideC₈H₆Cl₂O₂S237.11
5215-07-61-Amino-3-(4-chloro-phenoxy)-propan-2-olC₉H₁₂ClNO₂201.65
5215-26-9N-(2-Fluorophenyl)-2-phenylacetamideC₁₄H₁₂FNO229.25
5215-28-1N-(4-Fluorophenyl)-2-phenylacetamideC₁₄H₁₂FNO229.25
5215-32-7N-(2-Fluorophenyl)-3-phenylpropanamideC₁₅H₁₄FNO243.28
52152-10-0(+)-cis-IsopulegoneC₁₀H₁₆O152.24
52152-93-9Cefsulodin sodiumC₂₂H₁₉N₄NaO₈S₂554.54
52153-09-0L-Glucono-1,5-lactoneC₆H₁₀O₆178.14
52153-44-3RefChem:314170C₁₀H₁₄O₃182.22

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