CAS number index

CAS numbers starting with 4, page 20

28,986 chemicals have a CAS number that starts with 4. They are listed in CAS order.

Showing 1,901 to 2,000 of 5,000 chemicals

CAS numberChemical nameFormulaMol. weight

404828-14-4N-(5-Methyl-1H-pyrazol-3-yl)-2-phenylquinazolin-4-amineC₁₈H₁₅N₅301.35
40483-47-45-Methyl-1,2,4-oxadiazol-3-amineC₃H₅N₃O99.09
404830-45-115-Keto travoprostC₂₆H₃₃F₃O₆498.54
404831-88-55-Oxo-N-phenyl-1-[(4-propan-2-ylphenyl)methyl]pyrrolidine-3-carboxamideC₂₁H₂₄N₂O₂336.44
404832-64-0N-(4-Amino-2-methylphenyl)furan-2-carboxamideC₁₂H₁₂N₂O₂216.24
404832-85-5N'-(2-Methylphenyl)-N-[(3-methylphenyl)methyl]oxamideC₁₇H₁₈N₂O₂282.34
404835-53-61-(3,4-Dimethylphenyl)-5-oxopyrrolidine-3-carboxamideC₁₃H₁₆N₂O₂232.28
404835-85-4N-(2-Hydroxy-5-methylphenyl)furan-2-carboxamideC₁₂H₁₁NO₃217.22
404837-63-4N-(1,3-Benzodioxol-5-ylmethyl)-5-oxo-1-phenylpyrrolidine-3-carboxamideC₁₉H₁₈N₂O₄338.36
404838-11-5N-(1,3-Dioxoisoindol-2-yl)-2-(2-methoxyphenyl)acetamideC₁₇H₁₄N₂O₄310.31
404838-60-4N'-Benzyl-N-(3-methylbutyl)oxamideC₁₄H₂₀N₂O₂248.33
404838-64-82-tert-Butyl-N-(2-ethoxyphenyl)-1,3-dioxoisoindole-5-carboxamideC₂₁H₂₂N₂O₄366.42
404838-69-32-(2,4-Dichlorophenoxy)-N-(3-morpholin-4-ylpropyl)propanamideC₁₆H₂₂Cl₂N₂O₃361.27
404839-11-84-(2-Hydroxyethyl)-1H-pyrrole-3-carboxylic acidC₇H₉NO₃155.15
40484-36-46-(Chloromethyl)phenanthridineC₁₄H₁₀ClN227.69
40484-55-7N-(4-Benzamidonaphthalen-1-yl)benzamideC₂₄H₁₈N₂O₂366.42
404842-10-02-[(2-Naphthalen-2-yloxyacetyl)amino]benzoic acidC₁₉H₁₅NO₄321.33
404843-25-0N-[4-[5-(Furan-2-yl)-1,3,4-oxadiazol-2-yl]phenyl]-3-methoxybenzamideC₂₀H₁₅N₃O₄361.36
404844-02-6Cgp-74588C₂₈H₂₉N₇O479.59
404844-11-74-(Chloromethyl)-N-(4-methyl-3-((4-(3-pyridinyl)-2-pyrimidinyl)amino)phenyl)benzamideC₂₄H₂₀ClN₅O429.91
404845-56-31-(4-Ethoxyphenyl)-5-oxopyrrolidine-3-carboxamideC₁₃H₁₆N₂O₃248.28
404845-74-5N-(2-Methylphenyl)-N'-(prop-2-en-1-yl)ethanediamideC₁₂H₁₄N₂O₂218.26
404846-01-12-(1-Phenoxyethyl)-1H-1,3-benzodiazoleC₁₅H₁₄N₂O238.29
404849-00-95-Cyclohexyl-3-pyridin-2-yl-1,2,4-oxadiazoleC₁₃H₁₅N₃O229.28
404852-54-64-Benzoyl-N-butan-2-ylbenzamideC₁₈H₁₉NO₂281.36
404853-19-6N-[(1,5-Dimethylpyrazol-4-yl)methyl]-2-methyl-4-nitropyrazole-3-carboxamideC₁₁H₁₄N₆O₃278.27
404854-32-6(4E)-5-Methyl-2-(4-nitrophenyl)-4-[1-(2-piperazin-1-ylethylamino)ethylidene]pyrazol-3-oneC₁₈H₂₄N₆O₃372.43
404857-69-811-Mercaptoundecyl 2-Bromo-2-methylpropanoateC₁₅H₂₉BrO₂S353.37
404861-55-84-(1,3-Benzodioxol-5-ylmethyl)-N-(2-fluorophenyl)piperazine-1-carbothioamideC₁₉H₂₀FN₃O₂S373.45
404862-21-1N-[6-(2,2-Dimethylpropanoylamino)-9H-fluoren-3-yl]-2,2-dimethylpropanamideC₂₃H₂₈N₂O₂364.49
404862-48-24-Benzyl-N-(2-chlorophenyl)piperazine-1-carbothioamideC₁₈H₂₀ClN₃S345.90
404863-80-52-[(4-Cyano-1-methyl-5,6,7,8-tetrahydroisoquinolin-3-yl)sulfanyl]-N-(2-methoxyphenyl)acetamideC₂₀H₂₁N₃O₂S367.47
404869-31-41-(2,6-Dichlorobenzoyl)piperazineC₁₁H₁₂Cl₂N₂O259.14
404869-77-83-(4-Chlorophenyl)-3-(1H-pyrrol-1-yl)propanoic acidC₁₃H₁₂ClNO₂249.70
40487-42-1PendimethalinC₁₃H₁₉N₃O₄281.31
40488-01-5(6-Amino-4,4-diphenylheptan-3-yl) acetateC₂₁H₂₇NO₂325.45
404889-57-2CarpelastofuranC₃₀H₃₄O₈522.59
40489-45-0Benzyl 3-hydroxy-2-(phenylmethoxycarbonylamino)propanoateC₁₈H₁₉NO₅329.35
404892-30-4HyoscyamideC₃₆H₃₆N₂O₈624.69
404892-58-6(4-Pyrrol-1-yl-phenoxy)-acetic acidC₁₂H₁₁NO₃217.22
404893-30-7AchyrofuranC₃₂H₄₀O₈552.66
404894-53-7Ethyl 4-({[(4-fluorobenzyl)amino]carbothioyl}amino)benzoateC₁₇H₁₇FN₂O₂S332.40
404894-89-91-(2-Fluorophenyl)-3-(2-methylpropyl)thioureaC₁₁H₁₅FN₂S226.32
404897-77-4(4E)-5-(4-Methoxyphenyl)-2-(4-nitrophenyl)-4-({[2-(piperazin-1-yl)ethyl]amino}methylidene)-2,4-dihydro-3H-pyrazol-3-oneC₂₃H₂₆N₆O₄450.50
404899-68-94-Bromo-N'-(4-propylbenzoyl)benzohydrazideC₁₇H₁₇BrN₂O₂361.24
4049-01-8N(4)-AcetylsulfamonomethoxineC₁₃H₁₄N₄O₄S322.35
4049-33-61,2,3,4-Tetra-O-acetyl-beta-D-xylopyranoseC₁₃H₁₈O₉318.28
4049-38-1(±)-EriodictyolC₁₅H₁₂O₆288.25
404900-23-8N-[4-(1,3-Benzoxazol-2-yl)phenyl]propanamideC₁₆H₁₄N₂O₂266.30
404901-68-45-Amino-2,3-dihydro-1,3-benzothiazol-2-oneC₇H₆N₂OS166.21
404902-00-7N-(2-Chlorophenyl)morpholine-4-carbothioamideC₁₁H₁₃ClN₂OS256.76
404902-36-93-[(2-Aminophenyl)amino]-5-[4-(dimethylamino)phenyl]cyclohex-2-en-1-oneC₂₀H₂₃N₃O321.42
404903-29-31-Cyclopentyl-3-(3-methylphenyl)thioureaC₁₃H₁₈N₂S234.37
404904-30-9N-(1,3-Benzothiazol-2-yl)-2-methylpyrazole-3-carboxamideC₁₂H₁₀N₄OS258.31
404905-23-3Methyl 4-({[(4-methylphenyl)sulfonyl]carbamoyl}amino)benzoateC₁₆H₁₆N₂O₅S348.38
404910-12-9N-(1,3-Benzothiazol-2-yl)-2-[(5-prop-2-enyl-[1,2,4]triazino[5,6-b]indol-3-yl)sulfanyl]acetamideC₂₁H₁₆N₆OS₂432.53
404912-27-21-(3,5-Dimethylbenzoyl)-2-phenyl-4,5-dihydro-1H-imidazoleC₁₈H₁₈N₂O278.36
404914-73-4N-(4-Nitrophenyl)-2-(5H-[1,2,4]triazino[5,6-b]indol-3-ylsulfanyl)butanamideC₁₉H₁₆N₆O₃S408.44
404914-82-52-[(5-Methyl-5H-[1,2,4]triazino[5,6-b]indol-3-yl)sulfanyl]acetamideC₁₂H₁₁N₅OS273.32
404915-03-31-Phenyl-2-[(5-prop-2-enyl-[1,2,4]triazino[5,6-b]indol-3-yl)sulfanyl]ethanoneC₂₀H₁₆N₄OS360.44
404915-46-42-(3,4-Dichlorophenyl)-3-propyl-1,2-dihydroquinazolin-4-oneC₁₇H₁₆Cl₂N₂O335.23
40492-14-6Sodium hydrogen 4-amino-5-hydroxynaphthalene-1,7-disulphonateC₁₀H₈NNaO₇S₂341.30
40492-52-22,3-Dihydro-5-hydroxybenzo(b)furanC₈H₈O₂136.15
40492-93-17-Chloro-2-naphtholC₁₀H₇ClO178.62
404920-28-12-Quinolineethanol, 4-(dimethylamino)-1,2,3,4-tetrahydro-beta,beta-dimethyl-6-nitro-C₁₅H₂₃N₃O₃293.37
404921-11-59-(2-Methoxyphenyl)-10-(4-methoxyphenyl)-3,3,6,6-tetramethyl-4,5,7,9-tetrahydro-2H-acridine-1,8-dioneC₃₁H₃₅NO₄485.62
404922-73-29-(1-Ethyl-3-methyl-1H-pyrazol-4-yl)-3,3,6,6-tetramethyl-10-phenyl-3,4,6,7,9,10-hexahydro-1,8(2H,5H)-acridinedioneC₂₉H₃₅N₃O₂457.62
404923-47-39-(1,3-Dimethylpyrazol-4-yl)-3,3,6,6-tetramethyl-10-(4-methylphenyl)-4,5,7,9-tetrahydro-2H-acridine-1,8-dioneC₂₉H₃₅N₃O₂457.62
404923-48-49-(1-Ethyl-3-methylpyrazol-4-yl)-3,3,6,6-tetramethyl-10-(4-methylphenyl)-4,5,7,9-tetrahydro-2H-acridine-1,8-dioneC₃₀H₃₇N₃O₂471.64
40493-18-33-Chloro-8-thia-4,6-diazatricyclo[7.4.0.0,2,7]trideca-1(9),2,4,6-tetraeneC₁₀H₉ClN₂S224.72
404932-10-13-Benzyl-2-(4-fluorophenyl)-2,3-dihydroquinazolin-4(1H)-oneC₂₁H₁₇FN₂O332.38
404932-70-33-(Furan-2-ylmethyl)-2-(4-methylphenyl)-1,2-dihydroquinazolin-4-oneC₂₀H₁₈N₂O₂318.38
404933-13-7N-[4-[[5-[3-(Furan-2-ylmethyl)-4-oxo-1,2-dihydroquinazolin-2-yl]-2-methoxyphenyl]methoxy]phenyl]acetamideC₂₉H₂₇N₃O₅497.55
404933-81-93-(2-Diethylaminoethyl)-2-(p-tolyl)-1,2-dihydroquinazolin-4-oneC₂₁H₂₇N₃O337.47
404950-80-7PanobinostatC₂₁H₂₃N₃O₂349.43
404951-53-7DacinostatC₂₂H₂₅N₃O₃379.46
40496-13-7N-(4-Methoxyphenyl)benzo[cd]indol-2-amineC₁₈H₁₄N₂O274.32
40496-58-0(2,3,4,9-Tetrahydro-1H-carbazol-3-yl)-acetonitrileC₁₄H₁₄N₂210.28
404964-34-75-Fluoro-3-methylbenzo[b]thiophene-2-sulphonyl chlorideC₉H₆ClFO₂S₂264.73
404964-60-93-(Bicyclo[4.2.0]octa-1(6),2,4-trien-3-yl)acrylic acidC₁₁H₁₀O₂174.20
404964-94-91-(6,7-Dihydroxynaphthalen-2-yl)-2-methylpropan-1-oneC₁₄H₁₄O₃230.26
404965-07-71-Bromo-3-methoxynaphthalen-2-olC₁₁H₉BrO₂253.09
40497-11-8Ethyl 2,3-dicyanopropionateC₇H₈N₂O₂152.15
40497-30-12-Methyl-4,6-pyrimidinedioneC₅H₆N₂O₂126.11
40499-78-3Furazan, di-p-anisoyl-, 2-oxideC₁₈H₁₄N₂O₆354.32
40499-83-04-HydroxypyrrolidineC₄H₉NO87.12
405-03-83,4-DifluorostyreneC₈H₆F₂140.13
405-04-93-Fluoro-4-hydroxybenzonitrileC₇H₄FNO137.11
405-05-03-Fluoro-4-hydroxybenzaldehydeC₇H₅FO₂140.11
405-06-13-Fluoro-4-methylanisoleC₈H₉FO140.16
405-09-4(2-Fluoro-4-methoxyphenyl)methanolC₈H₉FO₂156.16
405-17-4N-(2,2-Difluoroethyl)anilineC₈H₉F₂N157.16
405-18-5Ethenesulfonyl fluoride, 2-phenyl-C₈H₇FO₂S186.21
405-22-1NidroxyzoneC₈H₁₀N₄O₅242.19
405-31-21,2-Bis(4-fluorophenyl)disulfaneC₁₂H₈F₂S₂254.33
405-39-0N2,N6-Bis[(phenylmethoxy)carbonyl]-L-lysineC₂₂H₂₆N₂O₆414.46
405-40-3N-(3,3,3-Trifluoropropyl)anilineC₉H₁₀F₃N189.18
405-42-5(2,2-Difluoroethenyl)benzeneC₈H₆F₂140.13
405-43-64-(2-Chloro-1,1,2-trifluoroethoxy)-benzoic acidC₉H₆ClF₃O₃254.59
405-44-72-Chloro-1,1,2-trifluoroethyl 4-nitrophenyl etherC₈H₅ClF₃NO₃255.58

All pages for 4 (50 pages)Show all

Every CAS number here is checked for a valid check digit. Confirm it with the supplier before you order. CAS Registry Number is a registered trademark of the American Chemical Society.