CAS number index

CAS numbers starting with 51, page 23

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

Showing 2,201 to 2,300 of 3,648 chemicals

CAS numberChemical nameFormulaMol. weight

515873-28-6N-[(1-Ethyl-1H-pyrazol-4-yl)carbonyl]-N'-(3-hydroxyphenyl)thioureaC₁₃H₁₄N₄O₂S290.35
515873-44-6N-(2-Bromophenyl)-N'-[(1-ethyl-1H-pyrazol-4-yl)carbonyl]thioureaC₁₃H₁₃BrN₄OS353.25
515873-55-9N-[(4-Chloro-1,3-dimethyl-1H-pyrazol-5-yl)carbonyl]-N'-(3-methoxyphenyl)thioureaC₁₄H₁₅ClN₄O₂S338.82
515874-26-7Methyl 2-{[(1-ethyl-1H-pyrazol-4-yl)carbonyl]amino}-4,5-dimethyl-3-thiophenecarboxylateC₁₄H₁₇N₃O₃S307.38
515874-71-2N-(2-Hydroxyphenyl)-N'-(1-phenylethyl)butanediamideC₁₈H₂₀N₂O₃312.37
515874-73-42-(Benzylamino)-7,7-dimethyl-7,8-dihydroquinazolin-5(6H)-oneC₁₇H₁₉N₃O281.36
515874-75-62-(Cyclopropylamino)-7,7-dimethyl-6,8-dihydroquinazolin-5-oneC₁₃H₁₇N₃O231.30
515874-98-37-(4-Fluorophenyl)-2-morpholin-4-yl-7,8-dihydro-6H-quinazolin-5-oneC₁₈H₁₈FN₃O₂327.36
515875-03-31-(1,3-Benzothiazol-2-yl)-6-(2-chlorophenyl)-6,7-dihydro-5H-indazol-4-oneC₂₀H₁₄ClN₃OS379.87
515875-11-3Methyl (1-(1,3-benzothiazol-2-yl)-4-{1-[(4-methylphenyl)amino]ethylidene}-5-oxo-4,5-dihydro-1H-pyrazol-3-yl)acetateC₂₂H₂₀N₄O₃S420.49
515875-36-23-(Furan-2-yl)-6-(phenoxymethyl)-[1,2,4]triazolo[3,4-b][1,3,4]thiadiazoleC₁₄H₁₀N₄O₂S298.33
515875-37-33-(Furan-2-yl)-6-(2-methoxyphenyl)-[1,2,4]triazolo[3,4-b][1,3,4]thiadiazoleC₁₄H₁₀N₄O₂S298.33
515880-75-84-[2-[4-(3-Phenylpyrazolo[1,5-a]pyrimidin-6-yl)phenoxy]ethyl]morpholineC₂₄H₂₄N₄O₂400.48
51589-67-44-MethoxylonchocarpinC₂₁H₂₀O₄336.39
5159-41-12-Iodobenzylic alcoholC₇H₇IO234.04
5159-59-1Methyl 6-Amino-2-naphthoateC₁₂H₁₁NO₂201.22
5159-64-87-Methyl-2-naphthalenecarboxylic acidC₁₂H₁₀O₂186.21
5159-70-62,5-Dimethyl-1-(4-ethoxycarbonylphenyl)pyrroleC₁₅H₁₇NO₂243.31
51590-67-1Stannane, butyloxo-C₄H₉OSn191.83
51591-38-9Diacetyl-L-tartaric acidC₈H₁₀O₈234.16
51591-75-4cis-1,3-Dibenzyl-2-imidazolidone-4,5-dicarboxylic acidC₁₉H₁₈N₂O₅354.36
51592-06-4IodogenC₁₆H₁₀Cl₄N₄O₂432.09
51593-56-74-(4-Benzyloxy-3-methoxy-benzylidene)-2-phenyl-4H-oxazol-5-oneC₂₄H₁₉NO₄385.42
51593-69-22H-1-Benzopyran-3-carboxaldehydeC₁₀H₈O₂160.17
51593-70-51-(2H-1-Benzopyran-3-yl)ethanoneC₁₁H₁₀O₂174.20
51593-81-81-(1-Methyl-1H-imidazol-2-yl)-2-phenyl-2-propanolC₁₃H₁₆N₂O216.28
51594-24-21-(Pyridin-2-yl)ethane-1,2-diol hydrochlorideC₇H₁₀ClNO₂175.62
51594-33-3(4S,5S)-(-)-2-Ethyl-5-phenyl-2-oxazoline-4-methanolC₁₂H₁₅NO₂205.26
51594-34-4(1S,2S)-(+)-2-Amino-3-methoxy-1-phenyl-1-propanolC₁₀H₁₅NO₂181.24
51594-51-5N-(4-Methoxyphenyl)-N'-(6-methyl-4-oxo-1,4-dihydropyrimidin-2-yl)guanidineC₁₃H₁₅N₅O₂273.30
51594-55-9(-)-EpichlorohydrinC₃H₅ClO92.53
51594-59-31-(4-Fluorophenyl)prop-2-en-1-oneC₉H₇FO150.15
51594-97-94-(Aminosulfonyl)-benzoyl chlorideC₇H₆ClNO₃S219.65
51596-10-2(6R,25R)-5-O-Demethyl-28-deoxy-6,28-epoxy-25-methylmilbemycin BC₃₁H₄₄O₇528.69
51596-11-3Milbemycin A4C₃₂H₄₆O₇542.71
51596-12-4Milbemycin B, 28-deoxy-6,28-epoxy-25-methyl-, (6R,25R)-C₃₂H₄₆O₇542.71
51596-16-8Milbemycin beta1C₃₂H₄₈O₇544.73
51597-76-33-Chloro-N-(furan-2-ylmethyl)anilineC₁₁H₁₀ClNO207.66
51598-33-5rac-(1R,2R)-1-(Bromomethyl)-2-methylcyclopropaneC₅H₉Br149.03
51598-60-8Cimetropium bromide (JAN/INN)C₂₁H₂₈BrNO₄438.36
51598-96-04-Methylthio-3-butenyl isothiocyanateC₆H₉NS₂159.28
516-02-9Barium oxalateC₂BaO₄225.35
516-03-0Ferrous oxalateC₂FeO₄143.86
516-05-2Methylmalonic acidC₄H₆O₄118.09
516-06-3DL-ValineC₅H₁₁NO₂117.15
516-12-1N-IodosuccinimideC₄H₄INO₂224.99
516-15-4Pregn-4-ene-3,11,20-trioneC₂₁H₂₈O₃328.45
516-21-2CycloguanilC₁₁H₁₄ClN₅251.72
516-35-8Taurochenodeoxycholic acidC₂₆H₄₅NO₆S499.71
516-37-0CerevisterolC₂₈H₄₆O₃430.67
516-38-1CortolC₂₁H₃₆O₅368.51
516-41-65alpha-DihydrocortisolC₂₁H₃₂O₅364.48
516-42-7CortoloneC₂₁H₃₄O₅366.50
516-47-2Allopregnane-3beta,17alpha,21-triol-20-oneC₂₁H₃₄O₄350.50
516-50-7Taurodeoxycholic acidC₂₆H₄₅NO₆S499.71
516-54-1AllopregnanoloneC₂₁H₃₄O₂318.50
516-55-2IsopregnanoloneC₂₁H₃₄O₂318.50
516-59-65alpha-Pregnan-20alpha-ol-3-oneC₂₁H₃₄O₂318.50
516-72-320alpha-HydroxycholesterolC₂₇H₄₆O₂402.66
516-78-9delta7-CampesterolC₂₈H₄₈O400.69
516-79-0DihydroergosterolC₂₈H₄₆O398.68
516-85-8DehydroergosterolC₂₈H₄₂O394.64
516-86-9FecosterolC₂₈H₄₆O398.68
516-90-5Taurolithocholic acidC₂₆H₄₅NO₅S483.71
516-92-7EpicoprostanolC₂₇H₄₈O388.68
516-95-0EpidihydrocholesterinC₂₇H₄₈O388.68
5160-02-1D&C Red 9C₃₄H₂₄BaCl₂N₄O₈S₂888.95
51600-24-9(S)-(-)-1-(1-Naphthyl)ethylamine hydrochlorideC₁₂H₁₄ClN207.70
51600-25-0(R)-2-Methyl-1-phenylpropan-1-amine hydrochlorideC₁₀H₁₆ClN185.70
51601-57-14-(4-Methylphenoxy)-1,1'-biphenylC₁₉H₁₆O260.34
51602-38-1Sulfuric acid, mixt. with nitric acidH₃NO₇S161.09
51604-48-9N-(3-Isocyanato-4-methylphenyl)-2-ethylhexyl carbamateC₁₇H₂₄N₂O₃304.39
51604-72-9Diisopropyl pyridine-2,6-dicarboxylateC₁₃H₁₇NO₄251.28
51605-29-93,4-Dihydro-2H-spiro[naphthalene-1,2'-oxirane]C₁₁H₁₂O160.22
51605-32-4Ethyl 4-methyl-5-imidazolcarboxylateC₇H₁₀N₂O₂154.17
51605-33-54-(Chloromethyl)-5-methyl-1H-imidazole--hydrogen chloride (1/1)C₅H₈Cl₂N₂167.04
51605-97-12-Bromo-4-isopropylanilineC₉H₁₂BrN214.11
51607-16-02,3-O-Isopropylidene-D-erythronolactoneC₇H₁₀O₄158.15
51607-21-76-DeoxyaltritolC₆H₁₄O₅166.17
51608-60-7N-Benzylidene-4-methylbenzensulfonamideC₁₄H₁₃NO₂S259.33
51609-06-4N-tert-ButylcyclohexylamineC₁₀H₂₁N155.28
51609-41-73,6,9,12,15,18,21,24-Octaoxahexacosan-1-ol, 26-(nonylphenoxy)-, dihydrogen phosphateC₃₅H₆₅O₁₄P740.87
5161-29-5Styrene-2,3,4,5,6-d5C₈H₈109.18
5161-99-92-Ethoxycarbonyl-4-hydroxy-2-methylbutyric acid gamma-lactoneC₈H₁₂O₄172.18
51615-88-4Chloro[(chlorocarbonyl)disulfanyl]methanoneC₂Cl₂O₂S₂191.06
51616-99-02-CyclopentylpiperidineC₁₀H₁₉N153.27
51617-12-04-Amino-2,8-dimethylquinolineC₁₁H₁₂N₂172.23
51618-29-26-Chlorobenzothiazole-2-thiolC₇H₄ClNS₂201.70
51618-39-4Furfuryl 2-chloroacetateC₇H₇ClO₃174.58
51619-55-71-HexylpiperazineC₁₀H₂₂N₂170.30
51619-56-81-(2,4-Dichlorobenzyl)piperazineC₁₁H₁₄Cl₂N₂245.15
51619-73-93,3,4,4,5,5,6,6,7,7,8,8,8-Tridecafluoro-N-(2-hydroxyethyl)-N-methyl-1-octanesulfonamideC₁₁H₁₂F₁₃NO₃S485.26
5162-01-6Arnebin IC₂₁H₂₂O₆370.40
5162-03-8Methanone, (2-chlorophenyl)phenyl-C₁₃H₉ClO216.67
5162-44-7Homoallyl bromideC₄H₇Br135.00
5162-82-33-Chloro-4-methylbenzoic AcidC₈H₇ClO₂170.59
51623-90-61-Benzyl-3-thiazol-2-yl-thioureaC₁₁H₁₁N₃S₂249.36
51623-96-21-Benzyl-3-(pyridin-2-ylmethyl)thioureaC₁₄H₁₅N₃S257.36
51624-21-6Bromo(~13~C)methaneCH₃Br95.93
51624-35-22-Chloro(2',3',4',5',6'-~2~H_5_)-1,1'-biphenylC₁₂H₉Cl193.69

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