CAS number index

CAS numbers starting with 20, page 33

7,121 chemicals have a CAS number that starts with 20. They are listed in CAS order.

Showing 3,201 to 3,300 of 7,121 chemicals

CAS numberChemical nameFormulaMol. weight

20526-31-2MethanesulfonylethyneC₃H₄O₂S104.13
20526-58-3Butanedioic acid, 2-sulfo-, sodium salt (1:?)C₄H₄NaO₇S-219.13
20526-83-4Naphthalene-1-13CC₁₀H₈129.17
20529-19-53-(4-Phenylpiperazin-1-yl)propan-1-amineC₁₃H₂₁N₃219.33
20529-22-04-(3-Methylphenyl)-1-piperazinepropanamineC₁₄H₂₃N₃233.36
20529-23-11-(3-Aminopropyl)-4-(2-methoxyphenyl)piperazineC₁₄H₂₃N₃O249.36
20529-25-33-{4-[3-(Trifluoromethyl)phenyl]piperazin-1-yl}propan-1-amineC₁₄H₂₀F₃N₃287.33
20529-26-42-[4-(4-Methoxyphenyl)piperazin-1-yl]ethanamineC₁₃H₂₁N₃O235.33
2053-25-0Etonitazene hydrochlorideC₂₂H₂₉ClN₄O₃432.95
2053-29-4AzomethineCH₃N29.04
2053-96-52-Fluoro-4'-(trifluoromethyl)benzanilideC₁₄H₉F₄NO283.22
2053-99-84-Fluoro-2'-(trifluoromethyl)benzanilideC₁₄H₉F₄NO283.22
20530-38-53,3,3-TrifluoropropanenitrileC₃H₂F₃N109.05
205304-86-5Tubulysin AC₄₃H₆₅N₅O₁₀S844.09
205311-54-22-Methyl-1H-imidazole-5-sulfonyl chlorideC₄H₅ClN₂O₂S180.62
205312-69-24-(Prop-2-enamidomethyl)benzoic acidC₁₁H₁₁NO₃205.21
205313-58-2(2-Azidoethyl)phosphonic acidC₂H₆N₃O₃P151.06
205315-55-52-Deacetoxytaxinine JC₃₇H₄₆O₁₀650.76
205319-06-8Dichloro{bis[2-(diphenylphosphino)phenyl]ether}palladium(II), 98%C₃₆H₂₈Cl₂OP₂Pd715.89
205319-10-4Dichloro-(4,5-bis(diphenylphosphino)-9,9-dimethylxanthene)palladium(II)C₃₉H₃₂Cl₂OP₂Pd755.96
20532-03-09,9'-BiphenanthreneC₂₈H₁₈354.45
20532-05-24-Methyl-3-sulfamoylbenzoic acidC₈H₉NO₄S215.23
20532-06-34-Methoxy-3-sulfamoylbenzoic acidC₈H₉NO₅S231.23
20532-14-32-Methyl-5-sulphamoylbenzoic acidC₈H₉NO₄S215.23
20532-15-42,4-DichlorobenzenesulfonamideC₆H₅Cl₂NO₂S226.08
20532-28-9Benzo(b)thiophen-5-amineC₈H₇NS149.22
20532-30-35-Methoxy-1-benzothiopheneC₉H₈OS164.23
20532-34-71-Benzothiophen-5-ylmethanolC₉H₈OS164.23
20532-45-0N,N-Dimethyl-5-nitro-1-benzothiophene-2-carboxamideC₁₁H₁₀N₂O₃S250.28
205327-13-54,4'-(Diphenylsilanediyl)bis(N,N-diphenylaniline)C₄₈H₃₈N₂Si670.93
20534-58-1Bicyclo(2.2.2)octan-1-olC₈H₁₄O126.20
20534-67-2N-Benzylidene-3-bromoanilineC₁₃H₁₀BrN260.13
20535-43-7Prolyl-prolyl-alanineC₁₃H₂₁N₃O₄283.33
20535-63-1(2,6-Diamino-5-(4-chloro-phenyl)-pyrimidin-4-yl)-acetonitrileC₁₂H₁₀ClN₅259.70
20535-83-5O-(6)-MethylguanineC₆H₇N₅O165.16
2053503-53-84-(1,1,1,3,3,3-Hexafluoro-2-methoxypropan-2-yl)benzoic acidC₁₁H₈F₆O₃302.17
20536-13-41,2-DichlorodisilaneH₄Cl₂Si₂131.11
20536-88-34-Hexyn-3-ol, 3-methyl-6-piperidino-C₁₂H₂₁NO195.31
20537-88-6AmifostineC₅H₁₅N₂O₃PS214.23
205371-26-22-Bromo-5-(trifluoromethoxy)phenolC₇H₄BrF₃O₂257.00
205371-27-32-(Tributylstannyl)pyrazineC₁₆H₃₀N₂Sn369.14
205371-29-5Madolin AC₁₅H₂₂O₂234.34
20538-18-53-[2-(Dimethylamino)ethyl]-1-methyl-3-phenylpyrrolidin-2-oneC₁₅H₂₂N₂O246.35
205381-53-94-Phenoxyphenoxyethyl thiocyanateC₁₅H₁₃NO₂S271.34
205386-51-2Ethanediamide, N,N'-bis(4-pyridinylmethyl)-C₁₄H₁₄N₄O₂270.29
2053901-33-8TetflupyrolimetC₁₉H₁₆F₄N₂O₂380.34
205391-01-14,5-DiaminofluoresceinC₂₀H₁₄N₂O₅362.34
205391-02-24,5-Diaminofluorescein diacetateC₂₄H₁₈N₂O₇446.42
205393-21-1Phenylalanin-isobutylboronsaure-esterC₂₄H₃₈BClN₂O₃448.84
2054-00-44-Fluoro-3'-(trifluoromethyl)benzanilideC₁₄H₉F₄NO283.22
2054-01-54-Fluoro-4'-(trifluoromethyl)benzanilideC₁₄H₉F₄NO283.22
2054-35-5ThiochromanC₉H₁₀S150.25
2054-36-61-Hydroxy-3,6,7-trimethoxy-9H-xanthen-9-oneC₁₆H₁₄O₆302.28
20541-49-5Bis(p-chlorophenyl) diselenideC₁₂H₈Cl₂Se₂381.02
20541-54-21-Diazo-2-naphthol-4-sulfonic acidC₁₀H₇N₂O₄S+251.24
20541-87-12,2'-(Piperazine-1,4-diyldiethane-2,1-diyl)bis(1H-isoindole-1,3(2H)-dione)C₂₄H₂₄N₄O₄432.48
205432-12-8Ethyl 4-(2-(2,4-dinitrophenoxy)-1-oxidodiazenyl)-1-piperazinecarboxylateC₁₃H₁₆N₆O₈384.31
205433-26-7BE-54238AC₂₂H₂₃NO₆397.43
205434-75-9tert-Butyl 2-(hydroxymethyl)piperazine-1-carboxylateC₁₀H₂₀N₂O₃216.28
205437-60-1Amfetamine D6 Hydrochloride, 1,1,2,3,3,3-Hexadeuterio-1-phenylpropan-2-amine HydrochlorideC₉H₁₄ClN177.71
205437-64-5BU 224 hydrochlorideC₁₂H₁₂ClN₃233.70
20544-37-02,4,8,10-Tetraoxa-3,9-diphosphaspiro(5.5)undecane, 3,9-bis(phenylmethyl)-, 3,9-dioxideC₁₉H₂₂O₆P₂408.33
205440-22-8Taxezopidine GC₃₅H₄₄O₉608.73
205440-23-9Taxezopidine HC₃₅H₄₄O₉608.73
205440-82-0Benzo(e)pyrene-d12C₂₀H₁₂264.39
205444-22-02-Chloro-4-iodo-6-(trifluoromethyl)pyridineC₆H₂ClF₃IN307.44
205445-52-93,5-Difluoro-L-phenylalanine, N-BOC protectedC₁₄H₁₇F₂NO₄301.29
205446-21-5Benzoylecgonine-d8C₁₆H₁₉NO₄297.38
205448-66-4Methyl 4-chloro-7-methoxyquinoline-6-carboxylateC₁₂H₁₀ClNO₃251.67
20545-92-0Undecylenic acid monoethanolamideC₁₃H₂₅NO₂227.35
20546-32-1N-(Hydroxymethyl)-N-methylformamideC₃H₇NO₂89.09
20547-99-32,2,6-Trimethylcyclohexane-1,4-dioneC₉H₁₄O₂154.21
20548-54-3Calcium sulfideCaS72.14
205488-15-91-PyrenebutylamineC₂₀H₁₉N273.38
20549-47-7Cyclohexanol, 2-methyl-5-(1-methylethenyl)-, (1R,2R,5R)-rel-C₁₀H₁₈O154.25
205492-50-8Carmabin AC₄₀H₅₇N₅O₆703.92
205492-91-74-[(4,6-Dichloro-1,3,5-triazin-2-yl)amino]-N-(1,1-dimethylethyl)benzamideC₁₄H₁₅Cl₂N₅O340.21
2054933-74-1(2S)-6-{[(tert-Butoxy)carbonyl]amino}-2-(dimethylamino)hexanoicacidC₁₃H₂₆N₂O₄274.36
2054938-28-0Plinabulin-d1C₁₉H₂₀N₄O₂337.40
2054950-50-21-Piperidinecarboxylic acid, 3-[4-[(E)-[(dimethylamino)methylene]amino]-2,3-dihydro-2-oxo-1H-imidazo[4,5-c]pyridin-1-yl]-, 1,1-dimethylethyl ester, (3R)-C₁₉H₂₈N₆O₃388.47
2054953-01-24-Bromo-1-(2,2,2-trifluoroethyl)-1H-pyrazole-3-carbaldehydeC₆H₄BrF₃N₂O257.01
2054953-23-81-Cyclopentyl-4-iodo-1H-pyrazole-5-carbaldehydeC₉H₁₁IN₂O290.10
2054953-75-04-Bromo-5-methyl-1-(2,2,2-trifluoroethyl)-1H-pyrazoleC₆H₆BrF₃N₂243.03
2054953-81-83-Bromo-4-nitro-1-(propan-2-yl)-1H-pyrazoleC₆H₈BrN₃O₂234.05
2054953-89-61-[2-(Morpholin-4-yl)ethyl]-1H-pyrazol-5-amineC₉H₁₆N₄O196.25
205497-54-7PD 128907 (hydrochloride)C₁₄H₂₀ClNO₃285.77
2055-21-2Dimethyl-pyridin-3-ylmethyl-amineC₈H₁₂N₂136.20
2055-23-4PseudooxynicotineC₁₀H₁₄N₂O178.24
2055-44-9PerisoxalC₁₆H₂₀N₂O₂272.35
2055-46-1Tetrahydropyrimidine-2-thioneC₄H₈N₂S116.19
205501-48-0N-(1,3-Benzothiazol-2-yl)-2-chloroacetamide hydrochlorideC₉H₈Cl₂N₂OS263.15
205502-10-92,3,6-Trimethylquinoxalin-5-amineC₁₁H₁₃N₃187.25
205502-60-9N1-9-Acridinyl-1,2-ethanediamineC₁₅H₁₅N₃237.31
205503-61-3N,N',N''-Tri-tert-butylsilanetriamineC₁₂H₃₀N₃Si244.48
2055041-03-54-((((2-Carboxyethyl)thio)carbonothioyl)thio)-4-cyanopentanoic acidC₁₀H₁₃NO₄S₃307.42
2055050-87-68-Chloro-2-(3-methoxyphenyl)-1H-pyrazolo[4,3-c]quinolin-3-oneC₁₇H₁₂ClN₃O₂325.75
2055050-88-77-Bromo-2,5-dihydro-2-(4-methoxyphenyl)-3H-pyrazolo[4,3-c]quinolin-3-oneC₁₇H₁₂BrN₃O₂370.21
205508-75-4Isobutylamine hydroiodideC₄H₁₂IN201.05
2055088-27-05-(3,4,5-Trimethoxyphenyl)-1H-1,2,4-triazole-3-ethanamine hydrochloride (1:1)C₁₃H₁₈N₄O₃278.31
2055089-72-8tert-Butyl (1R,5S,8R)-8-hydroxy-2-azabicyclo[3.3.1]nonane-2-carboxylateC₁₃H₂₃NO₃241.33

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