CAS number index

CAS numbers starting with 51, page 36

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

Showing 3,501 to 3,600 of 3,648 chemicals

CAS numberChemical nameFormulaMol. weight

51926-66-02-Methoxy-4,6-dimethylbenzaldehydeC₁₀H₁₂O₂164.20
51927-48-17,8-Dihydronaphthalen-1-olC₁₀H₁₀O146.19
51927-77-62,3-Dihydro-1H-indene-2,5-diolC₉H₁₀O₂150.18
51928-41-71-Propanesulfinic acid, 2,2-dimethyl-, sodium saltC₅H₁₁NaO₂S158.20
51929-55-63-Amino-N-ethyl-4-phenoxy-N-phenylbenzenesulphonamideC₂₀H₂₀N₂O₃S368.46
5193-03-32-Chloro-6-hydrazinopyridineC₅H₆ClN₃143.58
5193-04-44-(2-Nitrophenyl)sulfanylanilineC₁₂H₁₀N₂O₂S246.29
51930-93-94-(tert-Butoxy)butan-2-oneC₈H₁₆O₂144.21
51931-01-2N,N,N-Trimethylanilinium toluene-p-sulphonateC₁₆H₂₁NO₃S307.42
51931-66-9TilidineC₁₇H₂₃NO₂273.38
51932-70-82,3-Dihydro-1H-indene-4-carbaldehydeC₁₀H₁₀O146.19
51932-77-52,5-Diethyl-3,4-diphenylcyclopenta-2,4-dien-1-oneC₂₁H₂₀O288.39
51933-73-43-Methyl-2-(methylsulfanyl)pyridineC₇H₉NS139.22
51933-78-95-Bromo-2-(methylthio)pyridineC₆H₆BrNS204.09
51934-39-57-Bromonaphthalene-1-carboxylic acidC₁₁H₇BrO₂251.08
51934-40-82-((4-Methylphenyl)methoxy)acetic acidC₁₀H₁₂O₃180.20
51934-41-9Ethyl 4-iodobenzoateC₉H₉IO₂276.07
51934-64-61-[2-(2,3-Dimethyl-phenoxy)-ethyl]-piperazineC₁₄H₂₂N₂O234.34
51935-42-31-Chloro-4-hydrazinophthalazineC₈H₇ClN₄194.63
51937-76-92-Chloro-N-(cyclopropylmethyl)acetamideC₆H₁₀ClNO147.60
51937-85-01,3,5-Benzenetricarboxylic acid, copper salt (1:?)C₉H₄CuO₆271.67
51938-12-6Propyl(4-hydroxybutyl)nitrosamineC₇H₁₆N₂O₂160.22
51938-14-8Butyl(2-hydroxyethyl)nitrosamineC₆H₁₄N₂O₂146.19
51938-15-9Butyl(2-oxopropyl)nitrosamineC₇H₁₄N₂O₂158.20
51938-17-1Methyl 4-[methyl(nitroso)amino]butanoateC₆H₁₂N₂O₃160.17
51938-32-0SchaftosideC₂₆H₂₈O₁₄564.50
51939-71-03,4-Dihydro-2H-1-benzopyran-2-carboxylic acidC₁₀H₁₀O₃178.19
5194-32-12-Methylpyrimidine-5-carboxylic acidC₆H₆N₂O₂138.13
5194-37-64-Bromo-1-benzothiophene-2-carboxylic acidC₉H₅BrO₂S257.11
5194-48-92-(Phenylacetyl)benzamideC₁₅H₁₃NO₂239.27
5194-50-32,4-Hexadiene, (2E,4Z)-C₆H₁₀82.15
5194-51-4trans,trans-2,4-HexadieneC₆H₁₀82.15
51940-44-4Pipemidic acidC₁₄H₁₇N₅O₃303.32
51940-64-8Ethyl 2,4-dichloropyrimidine-5-carboxylateC₇H₆Cl₂N₂O₂221.04
51940-78-4ZetidolineC₁₆H₂₂ClN₃O307.82
51941-10-71-Piperazineethanol, 4-(3-chlorophenyl)-C₁₂H₁₇ClN₂O240.73
51941-16-31,3-Dihydro-1-methyl-5-(3-pyridinyl)-2H-imidazole-2-thioneC₉H₉N₃S191.26
51942-32-6N-[2-(Methylsulfanyl)phenyl]benzamideC₁₄H₁₃NOS243.33
51942-34-8N-(2-Methylsulfanylphenyl)thiophene-2-carboxamideC₁₂H₁₁NOS₂249.36
51942-35-95-Chloro-N-[2-(methylsulfanyl)phenyl]thiophene-2-carboxamideC₁₂H₁₀ClNOS₂283.81
51942-36-02-Methoxy-N-(2-methylsulfanylphenyl)benzamideC₁₅H₁₅NO₂S273.36
51942-37-1RefChem:345367C₁₅H₁₅NO₂S273.36
51942-56-43-Amino-2,2-dimethylbutan-1-olC₆H₁₅NO117.19
51944-07-1Nickel(II) carbonate monohydrateCH₂NiO₄136.72
51944-15-11-(1,5-Dimethyl-3-oxo-2-phenyl-2,3-dihydro-1H-pyrazol-4-yl)-3-phenylureaC₁₈H₁₈N₄O₂322.37
51944-21-94-((((4-Chlorophenyl)amino)thioxomethyl)amino)-2,3-dimethyl-1-phenyl-3-pyrazolin-5-oneC₁₈H₁₇ClN₄OS372.88
51944-22-0N-(1,5-Dimethyl-3-oxo-2-phenyl-2,3-dihydro-1H-pyrazol-4-yl)-N'-(4-methylphenyl)thioureaC₁₉H₂₀N₄OS352.46
51944-24-21-(1,5-Dimethyl-3-oxo-2-phenylpyrazol-4-yl)-3-ethylthioureaC₁₄H₁₈N₄OS290.39
51944-25-32-Chloro-6-methyl-N-phenylpyrimidin-4-amineC₁₁H₁₀ClN₃219.68
51944-67-3N-BenzylcrotonamideC₁₁H₁₃NO175.23
51944-89-9N-[4-(Pyridin-2-ylsulfamoyl)phenyl]benzamideC₁₈H₁₅N₃O₃S353.40
51945-89-2Diethyl 2,2,2-trichloro-1-(propionylamino)ethylphosphonateC₉H₁₇Cl₃NO₄P340.57
51946-06-6Octadecanamide, N,N'-[iminobis(2,1-ethanediylimino-2,1-ethanediyl)]bis-C₄₄H₉₁N₅O₂722.25
51947-52-5Methyl 5-((4-aminophenyl)methyl)anthranilateC₁₅H₁₆N₂O₂256.31
51947-89-82-[(6-Chloropyridazin-3-yl)amino]ethan-1-olC₆H₈ClN₃O173.60
51948-21-1N-(4,5-Dimethylthiophen-2-yl)benzamideC₁₃H₁₃NOS231.32
51948-22-2N-(4,5,6,7-Tetrahydrobenzo[b]thiophen-2-yl)benzamideC₁₅H₁₅NOS257.36
51948-71-13,5,7-Trihydroxy-6-prenylflavoneC₂₀H₁₈O₅338.36
51949-05-41-(3-Bromophenyl)-3-(dimethylamino)propan-1-oneC₁₁H₁₄BrNO256.14
5195-24-44,4-Dimethyl-1-phenylpentan-3-oneC₁₃H₁₈O190.29
5195-29-92-(4-Bromophenyl)-2-oxoacetaldehydeC₈H₅BrO₂213.03
51951-04-32-(2-(2-Hydroxyethoxy)ethoxy)acetic acidC₆H₁₂O₅164.16
51951-05-42-(2-(2-(2-Hydroxyethoxy)ethoxy)ethoxy)acetic acidC₈H₁₆O₆208.21
51952-13-72,5,8-Trioxa-11-azadodecaneC₈H₁₉NO₃177.24
51952-41-1Gonadorelin hydrochlorideC₅₅H₇₆ClN₁₇O₁₃1218.77
51952-42-25-Bromopent-2-eneC₅H₉Br149.03
51952-49-9Isononyl acrylateC₁₂H₂₂O₂198.31
51952-65-9Arsonic acid, methyl-, ion(2-)CH₃AsO₃-₂137.95
51952-66-0Hydrogen methylarsonateCH₄AsO₃-138.96
51952-99-93,4-Dimethyl-2,5-pyrroledicarboxaldehydeC₈H₉NO₂151.16
51953-02-73-Cyclohexyl-2-methylpropanoic acidC₁₀H₁₈O₂170.25
51953-17-44(3H)-PyrimidinoneC₄H₄N₂O96.09
51954-81-51-((Phenylmethyl)sulfinyl)-N,N-dipropyl-formamideC₁₄H₂₁NO₂S267.39
51956-02-62,3-Dihydro-1-benzothiophen-5-amine 1,1-dioxideC₈H₉NO₂S183.23
51956-33-3Barium carbonate-13CCBaO₃198.33
51957-32-54-Chloro-5-methylpyrimidineC₅H₅ClN₂128.56
51957-36-92-(Piperidin-1-yl)pyrimidineC₉H₁₃N₃163.22
51958-28-21-(Chloromethyl)-2-(propan-2-yloxy)naphthaleneC₁₄H₁₅ClO234.73
5196-28-11,4-Naphthalenedione, 5-(acetyloxy)-C₁₂H₈O₄216.19
5196-75-83,6-Dichloro-4-methoxy-2H-1-benzopyran-2-oneC₁₀H₆Cl₂O₃245.06
51963-55-4Rifampicin N-oxideC₄₃H₅₈N₄O₁₃838.95
51963-57-6Methanesulfonanilide, 3'-methoxy-4'-((4-methyl-9-acridinyl)amino)-C₂₂H₂₁N₃O₃S407.50
51963-61-2Adenosine triphosphate disodium trihydrateC₁₀H₂₀N₅Na₂O₁₆P₃605.19
51963-62-3Ethyl N-trimethyl-gamma-aminobutyrate chlorideC₉H₂₀ClNO₂209.72
51963-82-72,5-Diethoxy-4-(4-morpholinyl)benzenamineC₁₄H₂₂N₂O₃266.34
51964-22-83-(4-Fluorophenyl)-2,4-thiazolidinedioneC₉H₆FNO₂S211.22
5197-28-42-Bromo-4-nitroanisoleC₇H₆BrNO₃232.03
5197-58-0StenboloneC₂₀H₃₀O₂302.46
5197-62-62-(2-(2-Chloroethoxy)ethoxy)ethanolC₆H₁₃ClO₃168.62
5197-66-02-[2-[2-(2-Chloroethoxy)ethoxy]ethoxy]ethanolC₈H₁₇ClO₄212.67
5197-80-8Benzylethyldimethylammonium chlorideC₁₁H₁₈ClN199.72
5197-87-5Benzyltripropylammonium chlorideC₁₆H₂₈ClN269.86
5197-95-5Benzyltriethylammonium bromideC₁₃H₂₂BrN272.23
51970-29-7alpha-D-Mannopyranosyl azideC₆H₁₁N₃O₅205.17
51971-08-5GlycosinineC₁₄H₁₁NO₂225.25
51971-09-6GlycozolidalC₁₅H₁₃NO₃255.27
51971-46-11-(1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl)cyclopentane-1-carboxylic acidC₁₄H₁₃NO₄259.26
51977-17-4N,N'-(1,5-Naphthalenediyl)bis(ethyl carbamate)C₁₆H₁₈N₂O₄302.33
51978-15-5Mono-2-(methacryloyloxy)ethyl maleateC₁₀H₁₂O₆228.20
51979-57-81-Chloromethyl-2,4-diisocyanatobenzeneC₉H₅ClN₂O₂208.60

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