CAS number index

CAS numbers starting with 51, page 18

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

Showing 1,701 to 1,800 of 3,648 chemicals

CAS numberChemical nameFormulaMol. weight

514799-66-71-[5-({4-Nitro-1H-pyrazol-1-yl}methyl)-2-furoyl]azepaneC₁₅H₁₈N₄O₄318.33
514799-92-9Ethyl 2-{[(1-ethyl-1H-pyrazol-3-yl)carbonyl]amino}-4,5,6,7-tetrahydro-1-benzothiophene-3-carboxylateC₁₇H₂₁N₃O₃S347.44
514799-94-12-{4-Nitrophenoxy}-N'-[1-(2-pyridinyl)ethylidene]propanohydrazideC₁₆H₁₆N₄O₄328.33
514800-43-21-[(4-Bromo-1-methyl-1H-pyrazol-5-yl)carbonyl]-4-(2-furoyl)piperazineC₁₄H₁₅BrN₄O₃367.20
514800-69-2Methyl 4-((4-nitro-1H-pyrazol-1-yl)methyl)benzoateC₁₂H₁₁N₃O₄261.24
514800-77-23-((3,5-Dimethyl-4-nitro-1H-pyrazol-1-yl)methyl)-4-methoxybenzaldehydeC₁₄H₁₅N₃O₄289.29
514800-80-74-Chloro-1,5-dimethyl-1H-pyrazole-3-carboxylic acidC₆H₇ClN₂O₂174.59
514800-81-8Methanone, (4-((4-chloro-1H-pyrazol-1-yl)methyl)phenyl)(4-phenyl-1-piperazinyl)-C₂₁H₂₁ClN₄O380.88
514800-87-44-Bromo-1-ethyl-1H-pyrazole-3-carbohydrazideC₆H₉BrN₄O233.07
514800-97-64-Bromo-1-ethyl-1H-pyrazole-5-carboxylic acidC₆H₇BrN₂O₂219.04
514800-99-84-Methoxy-3-[(4-nitro-1H-pyrazol-1-yl)methyl]benzaldehydeC₁₂H₁₁N₃O₄261.24
514801-03-71-(2-Chlorobenzyl)-3,5-dimethyl-1H-pyrazol-4-amineC₁₂H₁₄ClN₃235.72
514801-04-8N-(4-Acetamidophenyl)-4-[(4-chloropyrazol-1-yl)methyl]benzamideC₁₉H₁₇ClN₄O₂368.82
514801-08-24-[(4-Nitro-1H-pyrazol-1-yl)methyl]benzoic acidC₁₁H₉N₃O₄247.21
514801-12-81-((4-Fluorophenyl)methyl)-1H-pyrazol-4-amineC₁₀H₁₀FN₃191.21
514801-29-74-Bromo-1-ethyl-N-(1,3-thiazol-2-yl)-1H-pyrazole-3-carboxamideC₉H₉BrN₄OS301.17
514801-35-5Methyl 5-({[3-cyano-6-(difluoromethyl)-4-methyl-2-pyridinyl]sulfanyl}methyl)-2-furoateC₁₅H₁₂F₂N₂O₃S338.33
514801-40-21-Ethyl-N-(thiazol-2-yl)-1H-pyrazole-3-carboxamideC₉H₁₀N₄OS222.27
514801-47-94-Chloro-N-(4-chlorobenzyl)-1,3-dimethyl-1H-pyrazole-5-carboxamideC₁₃H₁₃Cl₂N₃O298.17
514807-66-0(E)-3-(4-Fluorophenyl)-N-[2-[[(E)-3-(4-fluorophenyl)prop-2-enoyl]amino]ethyl]prop-2-enamideC₂₀H₁₈F₂N₂O₂356.37
51481-10-8DeoxynivalenolC₁₅H₂₀O₆296.32
51481-60-8Naloxone hydrochloride dihydrateC₁₉H₂₆ClNO₆399.87
51481-61-9CimetidineC₁₀H₁₆N₆S252.35
51481-62-0N-((4-Hexyl-1-piperazinyl)phenylmethylene)-2-methyl-1-propanamineC₂₁H₃₅N₃329.53
51481-65-3MezlocillinC₂₁H₂₅N₅O₈S₂539.59
514811-93-9N-(1,3-Dioxo-1,3-dihydro-2H-isoindol-2-yl)-4-[(3-methylbutanoyl)amino]benzamideC₂₀H₁₉N₃O₄365.39
514814-49-4Pmx-205C₄₅H₆₂N₁₀O₆839.05
514815-97-51-[(4-Bromo-1,5-dimethyl-1H-pyrazol-3-yl)carbonyl]indolineC₁₄H₁₄BrN₃O320.19
514816-17-2N-(2-Cyano-1-cyclopenten-1-yl)-1-ethyl-1H-pyrazole-5-carboxamideC₁₂H₁₄N₄O230.27
514816-26-3N-(5-Chloropyridin-2-yl)-1-ethylpyrazole-3-carboxamideC₁₁H₁₁ClN₄O250.69
514816-42-3Methyl 4-bromo-1-methyl-1H-pyrazole-5-carboxylateC₆H₇BrN₂O₂219.04
514816-72-9N-(2-Bromo-4-methylphenyl)-1-methyl-1H-pyrazole-3-carboxamideC₁₂H₁₂BrN₃O294.15
514816-86-52-(2,6-Dichlorophenoxy)-N-(2,5-dimethylphenyl)acetamideC₁₆H₁₅Cl₂NO₂324.21
514817-57-3N-(3-Methoxyphenyl)-5-[(4-nitropyrazol-1-yl)methyl]furan-2-carboxamideC₁₆H₁₄N₄O₅342.31
514817-95-93-({5-[(4-Chloro-3,5-dimethyl-1H-pyrazol-1-yl)methyl]-2-furoyl}amino)-4-methylbenzoic acidC₁₉H₁₈ClN₃O₄387.82
514818-14-51H-Pyrazole-5-carboxamide, N-(2,3-dihydro-1,4-benzodioxin-6-yl)-1-methyl-4-nitro-C₁₃H₁₂N₄O₅304.26
514818-33-8N-(4-Bromo-2-methylphenyl)-5-[(3,5-dimethylpyrazol-1-yl)methyl]furan-2-carboxamideC₁₈H₁₈BrN₃O₂388.26
514818-41-8N-(2-Bromophenyl)-1,3-dimethyl-1H-pyrazole-4-carboxamideC₁₂H₁₂BrN₃O294.15
514818-65-64-Bromo-2,5-dimethyl-N-[(E)-pyridin-3-ylmethylideneamino]pyrazole-3-carboxamideC₁₂H₁₂BrN₅O322.17
51482-36-1(2S)-2-(1,3-Dioxo-1,3-dihydro-2H-isoindol-2-yl)propanalC₁₁H₉NO₃203.20
51482-39-4Methyl O-tert-butyl-L-tyrosinate hydrochlorideC₁₄H₂₂ClNO₃287.79
51482-97-46-Chloro-2-(piperidin-1-yl)benzo[d]thiazoleC₁₂H₁₃ClN₂S252.77
51482-98-54-Chloro-6-methoxy-1,3-benzothiazol-2-amineC₈H₇ClN₂OS214.68
514820-03-2Ispinesib mesylateC₃₁H₃₇ClN₄O₅S613.18
514822-02-7(E)-N-(4-Acetylphenyl)-3-(5-methylfuran-2-yl)prop-2-enamideC₁₆H₁₅NO₃269.30
514822-14-1(2E)-3-(5-Methylfuran-2-yl)-N-(4-sulfamoylphenyl)prop-2-enamideC₁₄H₁₄N₂O₄S306.34
514823-59-73-Bromo-N-ethyl-4-methyl-N-phenylbenzamideC₁₆H₁₆BrNO318.21
514824-92-12-({4-[(Cyclohexylamino)sulfonyl]anilino}carbonyl)benzoic acidC₂₀H₂₂N₂O₅S402.47
514826-78-92-Iodo-1,3-phenylene Bis(trifluoromethanesulfonate)C₈H₃F₆IO₆S₂500.13
51483-84-28-Benzyl-3-oxa-8-azabicyclo[3.2.1]octane-2,4-dioneC₁₃H₁₃NO₃231.25
51483-87-52,5-Dimethyl 1-benzylpyrrolidine-2,5-dicarboxylateC₁₅H₁₉NO₄277.32
51483-92-26-Bromo-4H-chromen-4-oneC₉H₅BrO₂225.04
514836-86-3Ethyl 5-methyl-2-[(5-methyl-3-phenyl-1,2-oxazole-4-carbonyl)amino]-4-phenylthiophene-3-carboxylateC₂₅H₂₂N₂O₄S446.53
514836-93-25-[(3,5-Dimethylpyrazol-1-yl)methyl]-N-(4-ethoxyphenyl)furan-2-carboxamideC₁₉H₂₁N₃O₃339.39
514837-61-7[5-[(E)-[(4-Chlorobenzoyl)hydrazinylidene]methyl]-2-methoxyphenyl]methyl acetateC₁₈H₁₇ClN₂O₄360.80
514838-46-14-Chloro-N-(4-methoxy-2-methylphenyl)-2-methylpyrazole-3-carboxamideC₁₃H₁₄ClN₃O₂279.73
514838-56-3N-(2-Ethoxybenzyl)-1-ethyl-4-nitro-1H-pyrazole-3-carboxamideC₁₅H₁₈N₄O₄318.33
51484-05-06-NitrochromoneC₉H₅NO₄191.14
51484-06-16-Bromo-4-oxo-4H-chromene-2-carboxylic acidC₁₀H₅BrO₄269.05
51484-40-3DifenpiramideC₁₉H₁₆N₂O288.35
51484-44-7N-(4-Methylpyridin-2-yl)-2-(4-phenylphenyl)acetamideC₂₀H₁₈N₂O302.38
51484-68-5DihydroxyaluminiumC₂H₈AlNO₄137.07
514840-19-82-Amino-1-(3-bromophenyl)-4-(3-methoxyphenyl)-7,7-dimethyl-5-oxo-1,4,5,6,7,8-hexahydro-3-quinolinecarbonitrileC₂₅H₂₄BrN₃O₂478.39
514840-30-3N-(2-Furylmethyl)-5-({2-nitrophenoxy}methyl)-2-furamideC₁₇H₁₄N₂O₆342.31
514841-28-21-Ethyl-N-(2-methoxy-4-nitrophenyl)-5-methylpyrazole-4-carboxamideC₁₄H₁₆N₄O₄304.31
514841-56-6N-[1-(1-Adamantyl)ethyl]-1-ethyl-1H-pyrazole-4-carboxamideC₁₈H₂₇N₃O301.43
514842-42-3[3-[(3,5-Dimethyl-4-nitropyrazol-1-yl)methyl]phenyl]-(3-methylpiperidin-1-yl)methanoneC₁₉H₂₄N₄O₃356.43
514842-48-9N-[1-(4-Chlorobenzyl)-3,5-dimethyl-1H-pyrazol-4-yl]-5-methyl-3-phenyl-4-isoxazolecarboxamideC₂₃H₂₁ClN₄O₂420.90
514842-72-92-(3,4-Dimethylphenyl)-N'-(3-pyridinylmethylene)-4-quinolinecarbohydrazideC₂₄H₂₀N₄O380.45
514842-98-93-(Pyrrolidin-1-ylmethyl)piperidineC₁₀H₂₀N₂168.28
514843-12-02,4-Dichloro-5-(propan-2-yl)pyrimidineC₇H₈Cl₂N₂191.06
514843-34-6Methyl 2-{[(3,4-dimethoxyphenyl)acetyl]amino}-4-(1-naphthyl)thiophene-3-carboxylateC₂₆H₂₃NO₅S461.54
51485-76-83-(1-Methylpyrrol-2-yl)prop-2-enoic acidC₈H₉NO₂151.16
514854-64-92-(4-Chlorophenoxy)-N-[1-(2,6-dichlorobenzyl)-1H-pyrazol-4-yl]acetamideC₁₈H₁₄Cl₃N₃O₂410.69
514854-97-8N-(2,4-Dimethylphenyl)-4-[(4-nitropyrazol-1-yl)methyl]benzamideC₁₉H₁₈N₄O₃350.38
514855-06-2N-(3-Chlorophenyl)-1-ethyl-5-methyl-4-pyrazolecarboxamideC₁₃H₁₄ClN₃O263.73
514855-56-2N-(2,4-Dichlorophenyl)-1-ethyl-1H-pyrazole-4-carboxamideC₁₂H₁₁Cl₂N₃O284.15
514855-64-2N-(1-Benzyl-1H-pyrazol-4-yl)-2-(2-chlorophenoxy)acetamideC₁₈H₁₆ClN₃O₂341.80
514855-92-6Methyl 2-{[(1-ethyl-1H-pyrazol-4-yl)carbonyl]amino}benzoateC₁₄H₁₅N₃O₃273.29
514855-97-1N-(3-Chlorophenyl)-1-ethyl-2,3-dimethyl-1H-indole-5-carboxamideC₁₉H₁₉ClN₂O326.83
514856-13-43-Bromo-4,5-diethoxybenzonitrileC₁₁H₁₂BrNO₂270.13
514856-25-83,5-Dimethoxy-N'-{4-methoxy-3-[(2-naphthyloxy)methyl]benzylidene}benzohydrazideC₂₈H₂₆N₂O₅470.52
514856-39-4N-[(1-Ethyl-1H-pyrazol-4-yl)methyl]pyridine-3-carboxamideC₁₂H₁₄N₄O230.27
514856-53-24-Bromo-2-ethyl-N-(4-propan-2-ylphenyl)pyrazole-3-carboxamideC₁₅H₁₈BrN₃O336.23
514856-92-93-[(4-Chloropyrazol-1-yl)methyl]-N-(1-ethylbenzimidazol-2-yl)benzamideC₂₀H₁₈ClN₅O379.85
514857-29-5Methyl 4-oxo-3-phenyl-2-sulfanyl-3,4-dihydroquinazoline-7-carboxylateC₁₆H₁₂N₂O₃S312.35
51486-03-42-Amino-5-methylthiophene-3-carboxamideC₆H₈N₂OS156.21
51486-04-52-Amino-4,5-dimethylthiophene-3-carboxamideC₇H₁₀N₂OS170.24
51486-13-6Benzo(b)thiophene-3-carboxylic acid, 4,5,6,7-tetrahydro-2-(((methylamino)thioxomethyl)amino)-, ethyl esterC₁₃H₁₈N₂O₂S₂298.43
51486-16-92,3-Dihydro-5,6-dimethyl-3-(2-propen-1-yl)-2-thioxothieno(2,3-d)pyrimidin-4(1H)-oneC₁₁H₁₂N₂OS₂252.36
51486-17-03-Methyl-2-(methylsulfanyl)-5,6,7,8-tetrahydro[1]benzothieno[2,3-d]pyrimidin-4(3H)-oneC₁₂H₁₄N₂OS₂266.39
51486-48-73-((Chloromethyl)sulfanyl)prop-1-eneC₄H₇ClS122.62
51487-25-32-((4-Hydroxyquinazolin-2-yl)thio)-1-morpholinoethanoneC₁₄H₁₅N₃O₃S305.36
51487-69-5CloethocarbC₁₁H₁₄ClNO₄259.69
51488-20-14-Chloro-3-methylphenyl isocyanateC₈H₆ClNO167.59
51488-22-32-Chloro-4-(trifluoromethyl)phenyl isocyanateC₈H₃ClF₃NO221.56
51489-14-62-(Methylamino)-N-(propan-2-yl)acetamideC₆H₁₄N₂O130.19
51489-20-4DO 710C₁₆H₂₅N₃O₄S355.46
5149-69-93-(1-Benzofuran-2-yl)-3-oxopropanenitrileC₁₁H₇NO₂185.18
51490-17-66,7,8,9-Tetrahydro-5H-benzo(7)annulen-2-amine hydrochlorideC₁₁H₁₆ClN197.71

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