CAS number index

CAS numbers starting with 51, page 27

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

Showing 2,601 to 2,700 of 3,648 chemicals

CAS numberChemical nameFormulaMol. weight

51707-55-2ThidiazuronC₉H₈N₄OS220.26
51708-72-64-Chloro-2-methylbutanoyl chlorideC₅H₈Cl₂O155.02
5171-37-9IsopteropodineC₂₁H₂₄N₂O₄368.43
51713-72-5Benzyl[2-(4-methoxyphenyl)ethyl]amineC₁₆H₁₉NO241.33
51715-17-4N-NitrosochlordiazepoxideC₁₆H₁₃ClN₄O₂328.76
51716-62-2(3'aR,6'aS)-Hexahydro-1'H-spiro(1,3-dioxolane-2,2'-pentalen)-5'-oneC₁₀H₁₄O₃182.22
51716-63-3cis-Tetrahydropentalene-2,5(1H,3H)-dioneC₈H₁₀O₂138.17
51717-23-8Copper(I) iodide-triethyl phosphiteC₆H₁₅CuIO₃P356.61
51717-61-4N-((Thiophen-2-yl)methyl)adamantan-1-amine hydrochlorideC₁₅H₂₂ClNS283.87
51718-81-1Ethyl 2-(1H-imidazol-4-yl)acetate hydrochlorideC₇H₁₁ClN₂O₂190.63
51719-61-04-Chloro-3,5-dimethylanilineC₈H₁₀ClN155.63
51719-65-42-(3,5-Dichlorophenyl)acetic acidC₈H₆Cl₂O₂205.04
51719-69-81-Bromo-3-(bromomethyl)-5-methylbenzeneC₈H₈Br₂263.96
51719-84-74-Phenyl-1H-1,2,3-triazole-5-carbaldehydeC₉H₇N₃O173.18
5172-02-11-Chloro-4-(phenylethynyl)benzeneC₁₄H₉Cl212.68
5172-74-7N-(4-Acetamido-5-chloro-2-methoxyphenyl)benzamideC₁₆H₁₅ClN₂O₃318.76
51720-15-1Ethyl 2-(4-phenyltriazol-1-yl)acetateC₁₂H₁₃N₃O₂231.25
51720-20-82-(4-Phenyl-1H-1,2,3-triazol-1-yl)acetic acidC₁₀H₉N₃O₂203.20
51720-29-74-(Bromomethyl)-1H-imidazole hydrobromideC₄H₆Br₂N₂241.91
51721-21-2Ethyl 5-tert-butyl-1H-imidazole-4-carboxylateC₁₀H₁₆N₂O₂196.25
51721-22-3(5-tert-Butyl-1H-imidazol-4-yl)methanolC₈H₁₄N₂O154.21
51721-39-23-Decyn-1-olC₁₀H₁₈O154.25
51721-68-74-Methoxybenzamidine hydrochlorideC₈H₁₁ClN₂O186.64
51723-15-02-Aminobenzaldehyde hydrochlorideC₇H₈ClNO157.60
51724-44-86beta-HydroxynorethindroneC₂₀H₂₆O₃314.43
51724-48-2TrichotheceneC₁₅H₂₄O220.36
51725-83-8Ethyl 4-ethoxy-beta-oxobenzenepropanoateC₁₃H₁₆O₄236.27
51726-43-31,6-Dimethyl-4-oxo-1,4-dihydro-quinoline-3-carboxylic acidC₁₂H₁₁NO₃217.22
51726-83-14-Oxo-1,4-dihydrobenzo[h]quinoline-3-carboxylic acidC₁₄H₉NO₃239.23
51727-04-94-Hydroxy-5-methoxy-2-pyridinecarboxylic acidC₇H₇NO₄169.14
51727-05-05,6-Dimethyl-2-oxo-1,2-dihydropyridine-3-carboxylic acidC₈H₉NO₃167.16
51727-06-13-Methyl-2,4-dioxo-1,2,3,4-tetrahydropyrimidine-5-carboxylic acidC₆H₆N₂O₄170.12
51727-47-02-(((Phenylamino)carbonyl)oxy)ethyl methacrylateC₁₃H₁₅NO₄249.27
51728-10-04-Bromo-2-(quinolin-8-yliminomethyl)-phenolC₁₆H₁₁BrN₂O327.18
51729-83-0Methyl isopropyl carbonateC₅H₁₀O₃118.13
5173-46-6DienedioneC₁₈H₂₂O₂270.37
5173-98-8N-Bicyclo[2.2.1]hept-2-yl-2-(5-p-tolyl-tetrazol-2-yl)-acetamideC₁₇H₂₁N₅O311.39
51730-94-0(Methyl-2-phenoxyethoxy)propanolC₁₂H₁₈O₃210.27
51732-34-4Acetamide, N-(3-(dipropylamino)phenyl)-C₁₄H₂₂N₂O234.34
51732-61-7Vitamin K1 aglycone IC₁₈H₁₈O₄298.34
51735-01-41-Butoxy-3-(piperidin-1-yl)propan-2-olC₁₂H₂₅NO₂215.34
51736-77-76''-O-CarbamoyltobramycinC₁₉H₃₈N₆O₁₀510.55
51739-61-83-Amino-N-methylpropanamide hydrochlorideC₄H₁₁ClN₂O138.60
51739-62-92-Amino-N-methylbutanamide hydrochlorideC₅H₁₃ClN₂O152.63
5174-32-32-Acetoxy-5-nitrobenzyl chlorideC₉H₈ClNO₄229.62
5174-74-31-(4-Chloro-phenyl)-pyrimidine-2,4,6-trioneC₁₀H₇ClN₂O₃238.63
5174-94-73-Phenyl-1,8-naphthyridin-2-amineC₁₄H₁₁N₃221.26
51740-76-2Androstan-17-one, 3-amino-2-hydroxy-, hydrochloride, (2beta,3alpha,5alpha)-C₁₉H₃₂ClNO₂341.92
51741-29-81H-Imidazol-1-amineC₃H₅N₃83.09
51742-11-16-Acetyl-3-methyl-2-cyclohexen-1-oneC₉H₁₂O₂152.19
51742-87-1(-)-MefloquineC₁₇H₁₆F₆N₂O378.32
51743-07-82-(4,5-Dimethoxy-2-nitrophenyl)-1-(4-methoxyphenyl)ethanoneC₁₇H₁₇NO₆331.32
51744-66-2(5E,7E,22E)-9,10-Secoergosta-5,7,10(19),22-tetraen-3beta-OLC₂₈H₄₄O396.66
51744-78-61-[(2E,4E,6E)-8-Hydroxy-6-methyldodeca-2,4,6-trienoyl]pyrrolidin-2-oneC₁₇H₂₅NO₃291.39
51744-84-4(-)-threo-MefloquineC₁₇H₁₆F₆N₂O378.32
51746-64-6Ethyl 2-oxo-7-phenyl-3,5,6,7-tetrahydro-2H-thiopyrano[2,3-d][1,3]thiazole-6-carboxylateC₁₅H₁₅NO₃S₂321.42
51746-81-72-Amino-1-(pyridin-2-yl)ethan-1-one dihydrochlorideC₇H₁₀Cl₂N₂O209.08
51746-82-82-Amino-1-(pyridin-3-yl)ethanoneC₇H₈N₂O136.15
51746-85-13-(1H-Imidazol-5-yl)pyridineC₈H₇N₃145.16
51746-87-34-(1H-Imidazol-5-yl)pyridineC₈H₇N₃145.16
51746-88-44-(1H-Imidazol-4-yl)piperidine dihydrochlorideC₈H₁₅Cl₂N₃224.13
51746-93-13-(1H-Imidazol-4-yl)aniline dihydrochlorideC₉H₁₁Cl₂N₃232.11
51747-00-32-(Piperidin-3-yl)pyridine dihydrochlorideC₁₀H₁₆Cl₂N₂235.16
51747-03-63-(1H-Pyrazol-5-yl)piperidine dihydrochlorideC₈H₁₅Cl₂N₃224.13
51747-43-42-(4-Chlorophenyl)prop-2-enoic acidC₉H₇ClO₂182.61
51747-44-52-(4-Nitrophenyl)prop-2-enoic acidC₉H₇NO₄193.16
51748-44-81-Bromo-4-(propan-2-yloxy)butaneC₇H₁₅BrO195.10
51749-83-81,8-Dichloro-9,10-bis(phenylethynyl)anthraceneC₃₀H₁₆Cl₂447.36
5175-14-42-Oxo-1,2-dihydro-1,8-naphthyridine-3-carboxylic acidC₉H₆N₂O₃190.16
5175-26-82-Nitropyridine-3-carbaldehydeC₆H₄N₂O₃152.11
5175-38-21H-Isoindole-1,3(2H)-dione, 2-[(3,4-dihydro-1-isoquinolinyl)methyl]-C₁₈H₁₄N₂O₂290.32
5175-48-42-(2-Methylallyloxy)ethanolC₆H₁₂O₂116.16
5175-50-8N-(2-Cyanoethyl)-N-(4-methoxyphenyl)-2,1,3-benzothiadiazole-4-sulfonamideC₁₆H₁₄N₄O₃S₂374.45
5175-83-7XeroformC₆H₃BiBr₃O539.78
5175-92-87-Benzyl-2-(piperidin-1-yl)-7H-purin-6-olC₁₇H₁₉N₅O309.37
51750-47-1IsoundecanolC₁₁H₂₄O172.31
51751-34-94-Hydroxy-2-oxo-2H-chromene-3-carbaldehydeC₁₀H₆O₄190.15
51751-44-13,3'-Dibromo-2,2'-bithiopheneC₈H₄Br₂S₂324.06
51752-67-14-Chloropyrido(3,4-d)pyrimidineC₇H₄ClN₃165.58
51753-57-2PhenazepamC₁₅H₁₀BrClN₂O349.62
51755-66-93-(Methylthio)-1-hexanolC₇H₁₆OS148.27
51755-67-03-(Methylsulfanyl)cyclohexan-1-olC₇H₁₄OS146.25
51755-72-73-MercaptohexanalC₆H₁₂OS132.23
51755-83-03-MercaptohexanolC₆H₁₄OS134.24
51755-85-23-(Methylthio)hexyl acetateC₉H₁₈O₂S190.31
51756-08-2Butanoic acid, 2-ethyl-3-oxo-, methyl esterC₇H₁₂O₃144.17
51756-09-3Pentanoic acid, 2-acetyl-4-methyl-, methyl esterC₉H₁₆O₃172.22
51756-80-03-Aminorifamycin SC₃₇H₄₆N₂O₁₂710.78
51757-47-25-(2-Adamantylidene)-2,2-dimethyl-1,3-dioxane-4,6-dioneC₁₆H₂₀O₄276.33
51758-97-52-Cyclopropyl-5-nitro-1H-1,3-benzodiazoleC₁₀H₉N₃O₂203.20
51759-47-82-Thiophen-2-yl-1H-benzoimidazol-5-ylamineC₁₁H₉N₃S215.28
51759-50-32-Cyclohexyl-5-nitro-1H-benzimidazoleC₁₃H₁₅N₃O₂245.28
51759-51-42-Cyclohexyl-1H-benzoimidazol-5-ylamineC₁₃H₁₇N₃215.30
51759-60-56-Nitro-2-(2-pyridyl)benzimidazoleC₁₂H₈N₄O₂240.22
51759-79-6AscofuranolC₂₃H₃₁ClO₅422.95
5176-12-5(2-Nitrophenyl)(phenyl)methanolC₁₃H₁₁NO₃229.24
5176-14-73-Phenyl-2,1-benzisoxazoleC₁₃H₉NO195.22
5176-22-7(1-Azabicyclo(2.2.2)octan-3-yl)methanolC₈H₁₅NO141.21
5176-27-2tert-Butyl 1H-pyrrole-1-carboxylateC₉H₁₃NO₂167.21
5176-28-3tert-Butyl 11-azatricyclo[6.2.1.0^{2,7}]undeca-2,4,6,9-tetraene-11-carboxylateC₁₅H₁₇NO₂243.31

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