CAS number index

CAS numbers starting with 51, page 34

3,648 chemicals have a CAS number that starts with 51. They are listed in CAS order.

Showing 3,301 to 3,400 of 3,648 chemicals

CAS numberChemical nameFormulaMol. weight

519012-45-4N-(1,1-Dioxidotetrahydrothiophen-3-yl)-2-{[(4-fluorophenyl)carbonyl]amino}-4,5,6,7-tetrahydro-1-benzothiophene-3-carboxamideC₂₀H₂₁FN₂O₄S₂436.53
519012-49-82-{[(3,4-Dimethoxyphenyl)carbonyl]amino}-N-(1,1-dioxidotetrahydrothiophen-3-yl)-4,5,6,7-tetrahydro-1-benzothiophene-3-carboxamideC₂₂H₂₆N₂O₆S₂478.59
519012-94-34-Amino-3-(4-ethoxyphenyl)-N-(2-furylmethyl)-2-thioxo-2,3-dihydro-1,3-thiazole-5-carboxamideC₁₇H₁₇N₃O₃S₂375.48
519013-11-74-Amino-3-(4-ethoxyphenyl)-N-ethyl-2-thioxo-2,3-dihydro-1,3-thiazole-5-carboxamideC₁₄H₁₇N₃O₂S₂323.44
519013-13-94-Amino-3-(4-ethoxyphenyl)-N-(3-pyridinylmethyl)-2-thioxo-2,3-dihydro-1,3-thiazole-5-carboxamideC₁₈H₁₈N₄O₂S₂386.50
519013-39-94-Amino-N-ethyl-3-(4-methylphenyl)-2-thioxo-2,3-dihydro-1,3-thiazole-5-carboxamideC₁₃H₁₅N₃OS₂293.42
519013-41-34-Amino-3-(4-methoxyphenyl)-5-(1-piperidinylcarbonyl)-1,3-thiazole-2(3H)-thioneC₁₆H₁₉N₃O₂S₂349.48
519013-42-44-Amino-3-(4-methoxyphenyl)-N-(pyridin-3-ylmethyl)-2-sulfanylidene-1,3-thiazole-5-carboxamideC₁₇H₁₆N₄O₂S₂372.48
519013-43-54-Amino-5-(1H-benzimidazol-2-yl)-3-(4-methoxyphenyl)-1,3-thiazole-2(3H)-thioneC₁₇H₁₄N₄OS₂354.46
519013-44-64-Amino-N-(2-furylmethyl)-3-(4-methylphenyl)-2-thioxo-2,3-dihydro-1,3-thiazole-5-carboxamideC₁₆H₁₅N₃O₂S₂345.45
519016-28-5N-(Pyridin-2-ylmethyl)quinoline-2-carboxamideC₁₆H₁₃N₃O263.30
519016-42-3(E)-4-[[4-(4-tert-Butylphenyl)-3-ethoxycarbonyl-5-methylthiophen-2-yl]amino]-4-oxobut-2-enoic acidC₂₂H₂₅NO₅S415.51
519016-57-02-Chloro-N-(3-cyano-6-(2-methylbutan-2-yl)-4,5,6,7-tetrahydro-1-benzothiophen-2-yl)acetamideC₁₆H₂₁ClN₂OS324.88
519016-74-1Propan-2-yl 2-(2-chloroacetamido)-6-methyl-4,5,6,7-tetrahydro-1-benzothiophene-3-carboxylateC₁₅H₂₀ClNO₃S329.85
519016-79-62-Amino-5-methyl-4-(4-propylphenyl)thiophene-3-carbonitrileC₁₅H₁₆N₂S256.37
519016-81-03-Thiophenecarbonitrile, 2-amino-4-(2,5-dimethylphenyl)-C₁₃H₁₂N₂S228.32
519016-86-52-Amino-4-(3,4-dimethylphenyl)thiophene-3-carboxamideC₁₃H₁₄N₂OS246.34
519016-87-62-Amino-4-(4-butylphenyl)thiophene-3-carboxamideC₁₅H₁₈N₂OS274.39
519017-58-42-(1H-1,3-Benzodiazol-2-ylsulfanyl)-N-(ethoxymethyl)-N-(2-ethyl-6-methylphenyl)acetamideC₂₁H₂₅N₃O₂S383.52
519018-11-2N-(6-Acetyl-1,3-benzodioxol-5-yl)-2-[(4-hydroxy-6-propyl-2-pyrimidinyl)thio]acetamideC₁₈H₁₉N₃O₅S389.43
519018-14-5N-(6-Acetyl-1,3-benzodioxol-5-yl)-2-morpholin-4-ylacetamideC₁₅H₁₈N₂O₅306.32
519018-25-82-(1H-Benzimidazol-2-ylsulfanyl)-N-(2,4-dichlorophenyl)acetamideC₁₅H₁₁Cl₂N₃OS352.25
519018-28-14-Bromo-1-ethyl-3-methyl-1H-pyrazoleC₆H₉BrN₂189.06
519018-50-92-(2-Bromo-4-cyanophenoxy)acetic acidC₉H₆BrNO₃256.06
519018-52-17-Bromo-2,3-dihydro-1-benzofuran-3-oneC₈H₅BrO₂213.03
519018-63-44-{Methyl[4-(3-nitrophenyl)-1,3-thiazol-2-yl]amino}butanoic acidC₁₄H₁₅N₃O₄S321.36
519018-66-7N-Cyclopropyl-2-(methylthio)benzamideC₁₁H₁₃NOS207.30
519018-69-05-Bromo-N-[4-(4-pyridinylmethyl)phenyl]-2-thiophenesulfonamideC₁₆H₁₃BrN₂O₂S₂409.33
519018-74-7N-[2-(4-Methoxyphenyl)ethyl]-4-(2-oxopyrrolidin-1-yl)benzenesulfonamideC₁₉H₂₂N₂O₄S374.46
519018-79-22-(2-Benzoyl-5-methoxyphenoxy)-N,N-dimethylacetamideC₁₈H₁₉NO₄313.35
519019-36-42-[[Cyclohexyl(oxo)methyl]amino]-1,3-benzothiazole-6-carboxylic acid methyl esterC₁₆H₁₈N₂O₃S318.40
519020-42-94-PyridazinemethanamineC₅H₇N₃109.13
519028-36-52-[2-(Dimethylamino)propan-2-yl]-N-[(4-fluorophenyl)methyl]-5,6-dihydroxypyrimidine-4-carboxamideC₁₇H₂₁FN₄O₃348.38
51903-64-13-(Trifluoromethyl)-4-methylphenyl IsocyanateC₉H₆F₃NO201.15
51903-65-2N,N-Diethyl-2,3-bis(hydroxyimino)butanamideC₈H₁₅N₃O₃201.23
519032-07-6Methyl 2-benzyl-5,6-dihydroxypyrimidine-4-carboxylateC₁₃H₁₂N₂O₄260.25
519032-08-7Methyl 2-(2-(((benzyloxy)carbonyl)amino)propan-2-yl)-5,6-dihydroxypyrimidine-4-carboxylateC₁₇H₁₉N₃O₆361.35
519033-88-64-Amino-N-(2-furylmethyl)-3-(4-methoxyphenyl)-2-thioxo-2,3-dihydro-1,3-thiazole-5-carboxamideC₁₆H₁₅N₃O₃S₂361.45
519034-01-6N-[4-(2,6-Dimethylmorpholin-4-yl)sulfonylphenyl]-2-methylbenzamideC₂₀H₂₄N₂O₄S388.49
519034-56-1N-[3-[(1,1-Dioxothiolan-3-yl)carbamoyl]-4,5,6,7-tetrahydro-1-benzothiophen-2-yl]-2,3-dihydro-1,4-benzodioxine-3-carboxamideC₂₂H₂₄N₂O₆S₂476.58
519035-35-9N-(2-Ethylphenyl)-2-(3-methoxyphenoxy)acetamideC₁₇H₁₉NO₃285.34
519035-58-6N-(2-tert-Butylphenyl)-2-chloro-4-nitrobenzamideC₁₇H₁₇ClN₂O₃332.79
519035-97-33-{5-[(2,3,5-Trimethylphenoxy)methyl]-1,2,4-oxadiazol-3-yl}pyridineC₁₇H₁₇N₃O₂295.34
519036-03-4(Z)-N'-((3,4-Dimethylbenzoyl)oxy)picolinimidamideC₁₅H₁₅N₃O₂269.30
519038-92-714,15-Epoxyeicosa-5(z)-enoic acidC₂₀H₃₆O₃324.50
51904-91-75-Chlorosulphonyl-2-anisic acidC₈H₇ClO₅S250.66
519041-49-7N-(4-Bromophenyl)-2-[4-(furan-2-carbonyl)piperazin-1-yl]acetamideC₁₇H₁₈BrN₃O₃392.25
519042-41-24-Methoxy-N-(3-quinoxalin-2-ylphenyl)benzamideC₂₂H₁₇N₃O₂355.40
519043-09-51-Benzyl-3-(3-chloro-2-methylphenyl)thioureaC₁₅H₁₅ClN₂S290.82
519043-10-8N-(2,3-Dimethylphenyl)-N'-(4-methoxybenzyl)thioureaC₁₇H₂₀N₂OS300.43
519043-11-91-(2-Chlorobenzyl)-3-(2,3-dimethylphenyl)thioureaC₁₆H₁₇ClN₂S304.85
519043-12-01-(2,3-Dimethylphenyl)-3-[2-(4-methoxyphenyl)ethyl]thioureaC₁₈H₂₂N₂OS314.45
519043-14-21-[2-(4-Chlorophenyl)ethyl]-3-(2,3-dimethylphenyl)thioureaC₁₇H₁₉ClN₂S318.87
519044-86-13-[(4-Chlorobenzyl)thio]-1,2,4-thiadiazol-5-amineC₉H₈ClN₃S₂257.77
519044-96-31-[4-(4-Methoxyphenyl)-1,3-thiazol-2-yl]-4-phenylpiperidineC₂₁H₂₂N₂OS350.49
519045-03-53-[4-(Acetylamino)phenyl]-2-phenylpropanoic acidC₁₇H₁₇NO₃283.33
519045-13-71-(2,5-Dimethoxyphenyl)sulfonyl-3,4-dihydro-2H-quinolineC₁₇H₁₉NO₄S333.41
519046-49-2N,N'-Dipropyl-1,4-piperazinedicarboxamideC₁₂H₂₄N₄O₂256.35
519047-11-12-Chloro-6-methoxy-5-nitropyrimidin-4-amineC₅H₅ClN₄O₃204.57
519047-18-82-Anilino-9-methyl-4-oxopyrido[1,2-a]pyrimidine-3-carbaldehydeC₁₆H₁₃N₃O₂279.30
519048-33-06-(3-{[1-(4-Hydroxyphenyl)ethylidene]amino}-2-[(2-methoxyethyl)imino]-2,3-dihydro-1,3-thiazol-4-yl)-3,4-dihydro-2H-1,4-benzoxazin-3-oneC₂₂H₂₂N₄O₄S438.51
519049-15-12-(2-Ketocyclopentylidene)-3-phenyl-5-(3-pyridylmethylene)thiazolidin-4-oneC₂₀H₁₆N₂O₂S348.43
519049-71-9N-(2-Hydroxyethyl)-2-oxo-2-(2-phenylindolizin-3-yl)acetamideC₁₈H₁₆N₂O₃308.34
519049-90-23-[1-(3-Methoxybenzoyl)-2-methylindolizin-3-yl]propanenitrileC₂₀H₁₈N₂O₂318.38
519050-47-64H-Pyrido[1,2-a]thieno[2,3-d]pyrimidine-2-carboxamide, N-[2-(methylthio)phenyl]-4-oxo-C₁₈H₁₃N₃O₂S₂367.45
519050-77-22-(2-Fluoro-6-methoxyphenoxy)acetic acidC₉H₉FO₄200.16
519050-83-02-((2-Methylcyclohexyl)oxy)acetic acidC₉H₁₆O₃172.22
519050-96-51-(3-Bromo-5-fluorophenyl)propan-1-oneC₉H₈BrFO231.06
519054-54-74-Methyl-7-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-3,4-dihydro-2H-1,4-benzoxazineC₁₅H₂₂BNO₃275.16
519054-55-85-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)benzofuranC₁₄H₁₇BO₃244.10
519055-62-0TasisulamC₁₁H₆BrCl₂NO₃S₂415.12
519055-67-52-Methylthiazole-5-sulfonamideC₄H₆N₂O₂S₂178.24
519055-69-75-Bromo-4-methylthiophene-2-sulfonamideC₅H₆BrNO₂S₂256.15
519056-28-1Monoisononyl phthalateC₁₇H₂₄O₄292.38
519056-48-53-Benzyl-1-cyclopropyl-2,4-dioxo-1,2,3,4-tetrahydropyrimidine-5-carbonitrileC₁₅H₁₃N₃O₂267.29
519056-49-66-(tert-Butylsulfonyl)-2-methylpyrazolo[1,5-a]pyrimidin-7-amineC₁₁H₁₆N₄O₂S268.34
519056-51-04-(4-Methoxyphenyl)-6-(trifluoromethyl)pyrimidin-2-amineC₁₂H₁₀F₃N₃O269.23
519056-58-7Ethyl 5-sulfanyl[1,2,3]triazolo[1,5-a]quinazoline-3-carboxylateC₁₂H₁₀N₄O₂S274.31
519056-59-8Methyl 5-[[(1,1-dimethylethyl)amino]sulfonyl]-1-methyl-1H-pyrrole-2-carboxylateC₁₁H₁₈N₂O₄S274.34
519056-61-2(4-tert-Butylphenyl)methanesulfonyl chlorideC₁₁H₁₅ClO₂S246.76
519056-62-3Ethyl 5-amino-1-(1,3-dimethyl-4-nitropyrazol-5-yl)pyrazole-4-carboxylateC₁₁H₁₄N₆O₄294.27
519056-65-6tert-Butyl N-[(4-methyl-5-sulfanyl-4H-1,2,4-triazol-3-yl)methyl]carbamateC₉H₁₆N₄O₂S244.32
519056-67-81-Methyl-3-(trifluoromethyl)-1H-pyrazole-4-sulfonyl chlorideC₅H₄ClF₃N₂O₂S248.61
519059-03-11-(Difluoromethoxy)-3-ethynylbenzeneC₉H₆F₂O168.14
519059-09-73-Cyano-4-fluorobenzylcyanideC₉H₅FN₂160.15
51906-85-5N-(4-Hydroxyphenyl)-2-methylpropanamideC₁₀H₁₃NO₂179.22
51907-04-15-(Trifluoromethyl)thiolan-3-oneC₅H₅F₃OS170.16
51907-16-5Methyl 7-oxo-5H,6H,7H-cyclopenta[c]pyridine-6-carboxylateC₁₀H₉NO₃191.19
51907-18-75H,6H,7H-Cyclopenta[c]pyridin-7-oneC₈H₇NO133.15
51908-16-82,2',3,4',5,5'-HexachlorobiphenylC₁₂H₄Cl₆360.88
51908-29-34-IsothiocyanatobenzenesulfonamideC₇H₆N₂O₂S₂214.27
51908-46-4Dansyl aziridineC₁₄H₁₆N₂O₂S276.36
51908-64-64-Chloro-1-butyneC₄H₅Cl88.54
5191-80-0Cysteine, S-diphenylmethyl-, L-C₁₆H₁₇NO₂S287.38
5191-97-9Ornithine oxoglurateC₁₀H₁₈N₂O₇278.26
51911-82-14,8-Dimethyl-1,3,7-nonatrieneC₁₁H₁₈150.26
51913-96-3BiquinolineC₁₈H₁₂N₂256.31
519137-40-7(2E)-3-[3-(4-Chlorophenyl)-1-phenyl-1H-pyrazol-4-yl]prop-2-enoic acidC₁₈H₁₃ClN₂O₂324.77
519137-42-93-(1-Phenyl-3-p-tolyl-1H-pyrazol-4-yl)-acrylic acidC₁₉H₁₆N₂O₂304.35
519137-46-33-[3-(2-Oxo-2H-chromen-3-yl)-1-phenyl-1H-pyrazol-4-yl]prop-2-enoic acidC₂₁H₁₄N₂O₄358.35

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