CAS number index

CAS numbers starting with 1, page 18

122,397 chemicals have a CAS number that starts with 1. They are listed in CAS order.

Showing 1,701 to 1,800 of 5,000 chemicals

CAS numberChemical nameFormulaMol. weight

1005205-96-83-(3-Fluorophenyl)propanohydrazideC₉H₁₁FN₂O182.20
1005206-17-67H-Pyrrolo(2,3-d)pyrimidine-4-carboxylic acidC₇H₅N₃O₂163.14
1005206-25-64,4,5,5-Tetramethyl-2-(4-((trifluoromethyl)sulfanyl)phenyl)-1,3,2-dioxaborolaneC₁₃H₁₆BF₃O₂S304.14
1005207-32-84-Benzylthiophenylboronic acidC₁₃H₁₃BO₂S244.12
1005209-42-6Ethyl 6-bromopyrazolo[1,5-a]pyrimidine-2-carboxylateC₉H₈BrN₃O₂270.09
1005209-44-8Ethyl 6-chloropyrazolo[1,5-A]pyrimidine-2-carboxylateC₉H₈ClN₃O₂225.63
1005212-02-1Gelomulide NC₂₄H₃₂O₇432.51
100522-75-6Ethyl 2-cyano-3-methyl-2-nonenoateC₁₃H₂₁NO₂223.32
100523-83-94-Bromo-2-iodopyridineC₅H₃BrIN283.89
100523-84-05-Bromothiophene-3-carboxylic acidC₅H₃BrO₂S207.05
100523-91-94-Chlorobut-2-en-1-amine hydrochlorideC₄H₉Cl₂N142.03
100523-96-42-Bromo-4-iodopyridineC₅H₃BrIN283.89
100524-07-03-Aminobenzamide oximeC₇H₉N₃O151.17
100524-24-12-{4-Amino-1H-pyrazolo[3,4-d]pyrimidin-1-yl}ethan-1-olC₇H₉N₅O179.18
1005240-92-5N-[1-(2-Bicyclo[2.2.1]heptanyl)ethyl]-2-chlorobenzamideC₁₆H₂₀ClNO277.80
1005241-03-1N-(2,3-Dimethylcyclohexyl)-2-quinazolin-4-yloxyacetamideC₁₈H₂₃N₃O₂313.40
1005241-17-72-Bromo-4,7,7-trimethyl-3-oxo-N-phenylbicyclo[2.2.1]heptane-1-carboxamideC₁₇H₂₀BrNO₂350.26
1005242-74-92-[[1-[(4-Methylphenyl)methyl]pyrazol-3-yl]carbamoyl]bicyclo[2.2.1]heptane-3-carboxylic acidC₂₀H₂₃N₃O₃353.42
1005243-23-13-{[(2-Bromobenzyl)amino]carbonyl}-7-oxabicyclo[2.2.1]heptane-2-carboxylic acidC₁₅H₁₆BrNO₄354.20
1005243-71-93-({4-[(4-Methylpyrimidin-2-yl)sulfamoyl]phenyl}carbamoyl)bicyclo[2.2.1]hept-5-ene-2-carboxylic acidC₂₀H₂₀N₄O₅S428.47
1005246-04-73-((3,4-Dimethylphenyl)carbamoyl)-7-oxabicyclo[2.2.1]heptane-2-carboxylic acidC₁₆H₁₉NO₄289.33
1005246-16-13-{[(2-Fluorobenzyl)amino]carbonyl}bicyclo[2.2.1]hept-5-ene-2-carboxylic acidC₁₆H₁₆FNO₃289.31
1005246-45-63-{[2-(3,4-Dimethoxyphenyl)ethyl]carbamoyl}bicyclo[2.2.1]heptane-2-carboxylic acidC₁₉H₂₅NO₅347.41
1005246-46-73-((2-Bromo-4-methylphenyl)carbamoyl)-7-oxabicyclo[2.2.1]heptane-2-carboxylic acidC₁₅H₁₆BrNO₄354.20
1005246-51-42-(4-Chloro-2-methylphenoxy)-N-[1-(oxolan-2-yl)ethyl]propanamideC₁₆H₂₂ClNO₃311.81
100525-69-72-{4-[2-(Dimethylamino)ethoxy]phenyl}ethan-1-amineC₁₂H₂₀N₂O208.31
1005251-34-24-(1,3-Dioxooctahydro-4,6-ethenocyclopropa[f]isoindol-2(1H)-yl)-N-[4-(pyridin-4-ylmethyl)phenyl]cyclohexanecarboxamideC₃₀H₃₁N₃O₃481.60
1005251-50-23-({2-[(3-Methyl-2-thienyl)carbonyl]hydrazino}carbonyl)bicyclo[2.2.1]hept-5-ene-2-carboxylic acidC₁₅H₁₆N₂O₄S320.37
1005252-33-43-({[3-(Ethoxycarbonyl)-5-methyl-4-(4-methylphenyl)-2-thienyl]amino}carbonyl)-7-oxabicyclo[2.2.1]heptane-2-carboxylic acidC₂₃H₂₅NO₆S443.52
1005252-36-76-({2-[(6-tert-Butyl-4,5,6,7-tetrahydro-1-benzothien-3-yl)carbonyl]hydrazino}carbonyl)-3,4-dimethyl-3-cyclohexene-1-carboxylic acidC₂₃H₃₂N₂O₄S432.59
1005252-42-53-({[3-(Isopropoxycarbonyl)-5-methyl-4-(4-methylphenyl)-2-thienyl]amino}carbonyl)-7-oxabicyclo[2.2.1]heptane-2-carboxylic acidC₂₄H₂₇NO₆S457.55
1005252-43-63-({[4-(4-tert-Butylphenyl)-3-(methoxycarbonyl)-2-thienyl]amino}carbonyl)-7-oxabicyclo[2.2.1]heptane-2-carboxylic acidC₂₄H₂₇NO₆S457.55
1005255-31-12,3,4-Tris(1-phenylethyl)phenolC₃₀H₃₀O406.57
1005258-66-1Ethyl (3-{[(3,5-dioxo-4-azatricyclo[5.2.1.0~2,6~]dec-8-en-4-yl)imino]methyl}-1H-indol-1-yl)acetateC₂₂H₂₁N₃O₄391.43
1005258-68-33-{[3-(Methoxycarbonyl)-5-methylthiophen-2-yl]carbamoyl}bicyclo[2.2.2]oct-5-ene-2-carboxylic acidC₁₇H₁₉NO₅S349.41
1005258-69-43-((3-Fluorophenyl)(6-hydroxythiazolo[3,2-b][1,2,4]triazol-5-yl)methyl)-3,4,5,6-tetrahydro-1H-1,5-methanopyrido[1,2-a][1,5]diazocin-8(2H)-oneC₂₂H₂₀FN₅O₂S437.50
1005259-07-35-((3,4-Dimethoxyphenyl)(2,6-dimethylmorpholino)methyl)thiazolo[3,2-b][1,2,4]triazol-6-olC₁₉H₂₄N₄O₄S404.49
1005259-25-59-Methyl-12-(4-methylbenzenesulfonyl)-8-oxa-10-azatricyclo[7.3.1.0^{2,7}]trideca-2,4,6-trien-11-oneC₁₉H₁₉NO₄S357.43
1005259-27-712-(3,4-Dimethylbenzenesulfonyl)-9,10-dimethyl-8-oxa-10-azatricyclo[7.3.1.0^{2,7}]trideca-2,4,6-trien-11-oneC₂₁H₂₃NO₄S385.49
1005259-29-99,10-Dimethyl-12-(4-methylbenzenesulfonyl)-8-oxa-10-azatricyclo[7.3.1.0^{2,7}]trideca-2,4,6-trien-11-oneC₂₀H₂₁NO₄S371.46
1005259-30-212-(4-Fluorobenzenesulfonyl)-4-methoxy-9-methyl-8-oxa-10-azatricyclo[7.3.1.0^{2,7}]trideca-2,4,6-trien-11-oneC₁₉H₁₈FNO₅S391.42
1005261-02-85-(4-Morpholinophenyl)-2-phenyl-3-(pyridin-4-yl)dihydro-2H-pyrrolo[3,4-d]isoxazole-4,6(5H,6aH)-dioneC₂₆H₂₄N₄O₄456.50
1005261-50-6[2-[(2,3-Dimethylcyclohexyl)amino]-2-oxoethyl] 2-(2-chlorophenoxy)acetateC₁₈H₂₄ClNO₄353.85
1005262-32-75-Isopropyl-2-phenyl-3-thiophen-2-yl-tetrahydro-pyrrolo[3,4-d]isoxazole-4,6-dioneC₁₈H₁₈N₂O₃S342.42
1005262-33-82-[1-(4-Methoxyphenyl)ethyl]-1-oxo-1,2,3,6,7,7a-hexahydro-3a,6-epoxyisoindole-7-carboxylic acidC₁₈H₁₉NO₅329.35
1005262-36-17-(2-Chlorophenyl)-2-(3,5-dimethylpiperidin-1-yl)-7,8-dihydroquinazolin-5(6H)-oneC₂₁H₂₄ClN₃O369.90
1005262-38-32-(5-Chloro-2,4-dimethoxyphenyl)-1-oxo-1,2,3,6,7,7a-hexahydro-3a,6-epoxyisoindole-7-carboxylic acidC₁₇H₁₆ClNO₆365.77
1005262-43-03-(4-Methoxy-phenyl)-2-phenyl-tetrahydro-pyrrolo[3,4-d]isoxazole-4,6-dioneC₁₈H₁₆N₂O₄324.34
1005262-65-62,3-Dimethylphenyl 3-(1,3-dioxooctahydro-4,6-ethenocyclopropa[f]isoindol-2(1H)-yl)propanoateC₂₂H₂₃NO₄365.43
1005262-76-92-(4-Methyl-1,3-dioxo-1,3,3a,4,7,7a-hexahydro-2H-isoindol-2-yl)phenyl thiophene-2-carboxylateC₂₀H₁₇NO₄S367.43
1005263-01-33-Isobutylcarbamoyl-bicyclo[2.2.1]hept-5-ene-2-carboxylic acidC₁₃H₁₉NO₃237.30
1005263-02-4[3-(2,6-Dimethyl-morpholine-4-carbonyl)-phenyl]-(2,6-dimethyl-morpholin-4-yl)-methanoneC₂₀H₂₈N₂O₄360.45
1005263-26-23-(4-Methyl-thiazol-2-ylcarbamoyl)-7-oxa-bicyclo[2.2.1]hept-5-ene-2-carboxylic acidC₁₂H₁₂N₂O₄S280.31
1005264-47-0MX-69C₂₇H₂₆N₂O₄S474.58
1005266-89-66-Bromo-4,5,5-trimethyl-N-(3-methylphenyl)bicyclo[2.1.1]hexane-1-carboxamideC₁₇H₂₂BrNO336.27
1005268-02-92-[2-(Cyclohexen-1-yl)ethylcarbamoyl]bicyclo[2.2.1]hept-5-ene-3-carboxylic acidC₁₇H₂₃NO₃289.38
1005268-18-7Tetrahydrofuran-2-ylmethyl 7-(furan-2-yl)-2-methyl-5-oxo-4-[2-(propan-2-yloxy)phenyl]-1,4,5,6,7,8-hexahydroquinoline-3-carboxylateC₂₉H₃₃NO₆491.58
1005268-29-0Tetrahydro-2-furanylmethyl 7-(2-furyl)-4-(3-hydroxy-4-methoxyphenyl)-2-methyl-5-oxo-1,4,5,6,7,8-hexahydro-3-quinolinecarboxylateC₂₇H₂₉NO₇479.53
1005268-51-8N-(1,3-Benzodioxol-5-ylmethyl)-1,2,5-trimethylpiperidin-4-amineC₁₆H₂₄N₂O₂276.38
100527-04-6Q180 1-(Bromothio)anthraquinoneC₁₄H₇BrO₂S319.18
100527-13-72-(Benzo[d]thiazol-2-yl)benzo[d]isothiazol-3(2H)-oneC₁₄H₈N₂OS₂284.37
100527-50-22-(4-Bromophenyl)quinazoline-4(3H)-thioneC₁₄H₉BrN₂S317.21
100527-73-96-Chloro-3-hydroxy-2-phenyl-4(3H)-quinazolinoneC₁₄H₉ClN₂O₂272.69
1005270-17-6Ditert-butyl 4-hydroxy-4-methyl-6-oxo-2-pyridin-3-ylcyclohexane-1,3-dicarboxylateC₂₂H₃₁NO₆405.49
1005270-49-4[2-[(2,3-Dimethylcyclohexyl)amino]-2-oxoethyl] 2-(4-cyanophenoxy)acetateC₁₉H₂₄N₂O₄344.41
1005272-15-02-[[4-(3-Bicyclo[2.2.1]heptanyl)-5-sulfanylidene-1H-1,2,4-triazol-3-yl]methyl]phthalazin-1-oneC₁₈H₁₉N₅OS353.45
1005272-18-3(1R,4S)-1-(6-Fluoro-2-methyl-1,2,3,4-tetrahydroquinoline-1-carbonyl)-4,7,7-trimethylbicyclo[2.2.1]heptane-2,3-dioneC₂₁H₂₄FNO₃357.43
1005272-77-44-Benzoyl-6,7-dimethyl-4-azatricyclo[4.3.0.0~3,7~]nonane-3-carbonitrileC₁₈H₂₀N₂O280.37
1005272-79-62-(4-Bromophenyl)-5-cyclohexyl-3-(3-pyridinyl)dihydro-2H-pyrrolo[3,4-d]isoxazole-4,6(3H,5H)-dioneC₂₂H₂₂BrN₃O₃456.34
1005272-93-42,7-Diethyl-5,10-diphenyltetrahydropyrrolo[3,4-c]pyrrolo[3',4':4,5]pyrazolo[1,2-a]pyrazole-1,3,6,8(2H,3aH,5H,7H)-tetroneC₂₆H₂₆N₄O₄458.52
1005272-95-61-[(6-Fluoro-2-methyl-3,4-dihydro-1(2H)-quinolinyl)carbonyl]-4,7,7-trimethyl-2-oxabicyclo[2.2.1]heptan-3-oneC₂₀H₂₄FNO₃345.41
1005272-97-8N-(2,3-Dimethylcyclohexyl)-2-[4-ethyl-4-(4-fluorophenyl)-2,5-dioxoimidazolidin-1-yl]acetamideC₂₁H₂₈FN₃O₃389.47
1005273-20-0[2-[(2,3-Dimethylcyclohexyl)amino]-2-oxoethyl] 2-nitrobenzoateC₁₇H₂₂N₂O₅334.37
1005273-39-13-Hydroxy-5-(4-methoxyphenyl)-2-(1,2,3,4-tetrahydro-1-isoquinolinyl)-4-(1H-1,2,4-triazol-1-yl)-2-cyclohexen-1-oneC₂₄H₂₄N₄O₃416.48
1005273-40-4N-[(1,3-Dioxooctahydro-2H-4,7-methanoisoindol-2-yl)methyl]-N-(4-methylphenyl)furan-2-carboxamideC₂₂H₂₂N₂O₄378.43
1005273-53-92-Bromo-N-butyl-4,7,7-trimethyl-3-oxobicyclo[2.2.1]heptane-1-carboxamideC₁₅H₂₄BrNO₂330.27
1005275-31-91-(4-Chlorophenyl)-4-(2,6-dimethylmorpholine-4-carbonyl)pyrrolidin-2-oneC₁₇H₂₁ClN₂O₃336.82
1005280-11-4N-[3-(3,5-Dimethylpiperidine-1-carbonyl)phenyl]-2-(4-oxo-2-piperidin-1-yl-1,3-thiazol-5-yl)acetamideC₂₄H₃₂N₄O₃S456.61
1005280-95-4(1-{Bicyclo[2.2.1]heptan-2-yl}ethyl)ureaC₁₀H₁₈N₂O182.27
1005281-23-12-(3,4-Dimethoxyphenethyl)-3a,4,7,7a-tetrahydro-1H-4,7-epoxyisoindole-1,3(2H)-dioneC₁₈H₁₉NO₅329.35
1005281-34-4N-(2,5-Dimethoxyphenyl)-5-oxo-4-oxatricyclo[4.2.1.0~3,7~]nonane-9-carboxamideC₁₇H₁₉NO₅317.34
1005281-47-91-Benzyl-3-[4-(dimethylamino)phenyl]-5-methyltetrahydropyrrolo[3,4-c]pyrazole-4,6(1H,5H)-dioneC₂₁H₂₄N₄O₂364.45
1005281-54-84-(4-Methyl-1,3-dioxo-1,3,3a,4,7,7a-hexahydro-2H-isoindol-2-yl)phenyl thiophene-2-carboxylateC₂₀H₁₇NO₄S367.43
1005281-55-91,7,7-Trimethylbicyclo[2.2.1]hept-2-yl 8-methoxy-2-oxochromene-3-carboxylateC₂₁H₂₄O₅356.42
1005281-59-33-(1,3-Dioxooctahydro-2H-4,7-methanoisoindol-2-yl)-N-(2-methoxyphenyl)propanamideC₁₉H₂₂N₂O₄342.39
1005281-82-22-[4-(Pyridin-4-ylmethyl)phenyl]-3a,4,7,7a-tetrahydro-1H-4,7-methanoisoindole-1,3(2H)-dioneC₂₁H₁₈N₂O₂330.39
1005281-92-4Ethyl 2-(1,3-dioxo-3a,4,7,7a-tetrahydro-1H-4,7-methanoisoindol-2(3H)-yl)-6-methyl-4,5,6,7-tetrahydrobenzo[b]thiophene-3-carboxylateC₂₁H₂₃NO₄S385.49
1005281-98-02-(4-Methyl-1,3-dioxo-1,3,3a,4,7,7a-hexahydro-2H-isoindol-2-yl)phenyl furan-2-carboxylateC₂₀H₁₇NO₅351.36
1005288-44-74-[(2,6-Dimethylmorpholin-4-yl)carbonyl]-1-(2-methylphenyl)pyrrolidin-2-oneC₁₈H₂₄N₂O₃316.40
1005288-48-14-(3,5-Dimethylpiperidine-1-carbonyl)-1-(2-methylphenyl)pyrrolidin-2-oneC₁₉H₂₆N₂O₂314.43
1005288-56-12-Anilino-2-oxoethyl 5-oxo-4-oxatricyclo[4.2.1.0~3,7~]nonane-9-carboxylateC₁₇H₁₇NO₅315.32
1005291-43-92-Bromo-5-fluoroisonicotinaldehydeC₆H₃BrFNO204.00
1005291-44-0Chlorophyll impurity 3C₃₃H₃₂N₄O₅564.64
1005307-86-7PR5-LL-CM01C₂₃H₂₇N₇401.52
1005308-87-12-Chloro-N-(1H-indazol-6-yl)-5-nitrobenzenesulfonamideC₁₃H₉ClN₄O₄S352.76
1005323-19-2(1R)-1-(4-(1H-Imidazol-1-yl)phenyl)ethan-1-olC₁₁H₁₂N₂O188.23
1005325-43-811C-Pbr-28C₂₁H₂₀N₂O₃347.40
1005326-26-0Ethyl 3-amino-5-methyl-1H-pyrrole-2-carboxylateC₈H₁₂N₂O₂168.20
1005327-66-16-Ethylpyridine-3-carbaldehydeC₈H₉NO135.17
100533-65-1N-[3-(Ethoxycarbonylamino)-2,2-dimethylpropyl]carbamic acid ethyl esterC₁₁H₂₂N₂O₄246.31

All pages for 1 (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.