CAS number index

CAS numbers starting with 20, page 36

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

Showing 3,501 to 3,600 of 7,121 chemicals

CAS numberChemical nameFormulaMol. weight

2058040-87-0tert-Butyl 6-bromo-7-fluoro-1,2,3,4-tetrahydroisoquinoline-2-carboxylateC₁₄H₁₇BrFNO₂330.20
205805-13-6Methyl 4-(4-chlorophenyl)-1-methylpiperidine-3-carboxylateC₁₄H₁₈ClNO₂267.76
2058059-32-6(1S)-4-Nitro-2,3-dihydro-1H-inden-1-olC₉H₉NO₃179.18
205806-31-14-Allyl-5-(4-fluorophenyl)-4H-1,2,4-triazole-3-thiolC₁₁H₁₀FN₃S235.29
205806-87-73-BB(F)B(F,F)-FC₂₁H₁₆F₄344.35
205807-59-6Pkf-242-484C₁₉H₂₉N₃O₆395.46
205810-04-4Ethyl 4-(((2,2-dimethyl-4,6-dioxo-1,3-dioxan-5-ylidene)methyl)amino)benzoateC₁₆H₁₇NO₆319.31
205812-08-45-tert-Butyl N-((9H-fluoren-9-ylmethoxy)carbonyl)-2-aminoglutarateC₂₄H₂₇NO₆425.48
2058157-09-65-(Tetramethyl-1,3,2-dioxaborolan-2-yl)-1,2,3,4-tetrahydroquinolineC₁₅H₂₂BNO₂259.16
205818-52-62,2-Dimethyl-3-oxo-3,4-dihydro-2H-1,4-benzoxazine-6-carbonitrileC₁₁H₁₀N₂O₂202.21
20582-55-25-Thiazolecarboxylic acid, 4-methyl-, ethyl esterC₇H₉NO₂S171.22
20582-85-84-(Methylthio)butanolC₅H₁₂OS120.22
2058252-91-6Chloro(p-cymene)[2-[(di-tert-butylphosphino)methyl]pyridine]ruthenium(II) TriflateC₂₅H₃₈ClF₃NO₃PRuS657.14
205826-73-91-(5-Bromo-2-methoxyphenyl)propan-2-oneC₁₀H₁₁BrO₂243.10
205826-86-42-((2,2-Dimethylpropanoyl)amino)-2-(4-hydroxyphenyl)acetic acid, (2R)-C₁₃H₁₇NO₄251.28
205829-17-01-(2-Chloroacetyl)pyrazolidin-3-oneC₅H₇ClN₂O₂162.58
20583-31-73-(4-Nitrophenyl)-1H-pyrazoleC₉H₇N₃O₂189.17
20583-33-91-(1H-Pyrazol-3-yl)ethan-1-oneC₅H₆N₂O110.12
20583-66-81,1,1,5,5,6,6,7,7,7-Decafluoro-2,4-heptanedioneC₇H₂F₁₀O₂308.07
2058326-37-52-{3-Azabicyclo[3.1.0]hexan-3-yl}acetic acid hydrochlorideC₇H₁₂ClNO₂177.63
2058331-75-03-Bromo-1,1-difluoropropan-2-olC₃H₅BrF₂O174.97
20585-34-6Cyclohexylphenylglycolic acid, (+)-C₁₄H₁₈O₃234.29
20586-95-23-Heptyl-1H-1,2,4-triazol-5-amineC₉H₁₈N₄182.27
20586-97-45-(4-tert-Butylphenyl)-4H-1,2,4-triazol-3-amineC₁₂H₁₆N₄216.29
205865-67-4Ethyl 2,2-Difluoro-2-(trimethylsilyl)acetateC₇H₁₄F₂O₂Si196.27
20587-30-8Methyl 5-methyl-2-nitrobenzoateC₉H₉NO₄195.17
20587-61-5Diethylene glycol monobenzoateC₁₁H₁₄O₄210.23
205871-49-44-(2-Formylphenyl)benzoic acidC₁₄H₁₀O₃226.23
205871-52-93-(2-Formylphenyl)benzoic acidC₁₄H₁₀O₃226.23
205873-26-3(1S,2S)-(-)-N,N'-Dimethyl-1,2-bis[3-(trifluoromethyl)phenyl]ethylenediamineC₁₈H₁₈F₆N₂376.34
205873-28-5Methyl 5-(methylsulfonyl)-1H-indole-2-carboxylateC₁₁H₁₁NO₄S253.28
205873-56-93,4-Diacetamidobenzoic acidC₁₁H₁₂N₂O₄236.23
205873-57-03-Bromo-2-methoxybenzenemethanolC₈H₉BrO₂217.06
205877-26-54-EthynyltriphenylamineC₂₀H₁₅N269.35
205877-92-5tert-Butyl N-(4-oxocyclohex-2-en-1-yl)carbamateC₁₁H₁₇NO₃211.26
205877-96-9tert-Butyl N-(3-iodo-4-oxocyclohex-2-en-1-yl)carbamateC₁₁H₁₆INO₃337.16
20588-62-93-MethoxytriphenylamineC₁₉H₁₇NO275.35
20588-68-5N,N-Diethylsulfamoyl chlorideC₄H₁₀ClNO₂S171.65
205881-86-36-Fluoro-9-methyl-2-phenyl-4-(pyrrolidin-1-yl-carbonyl)-2,9-dihydro-1H-pyrido(3,4-b)indol-1-oneC₂₃H₂₀FN₃O₂389.43
205884-12-4(2E)-3-(1-Methyl-1H-indol-3-yl)prop-2-enoic acidC₁₂H₁₁NO₂201.22
20589-63-33-NitroperyleneC₂₀H₁₁NO₂297.31
20589-86-02H-1,2-Thiazine, 3,6-dihydro-4,5-dimethyl-2-(phenylsulfonyl)-, 1-oxideC₁₂H₁₅NO₃S₂285.39
2059-24-71-Chloro-2-(trifluoromethyl)naphthaleneC₁₁H₆ClF₃230.62
2059-75-81,3-Bis(4-bromophenyl)-2-thioureaC₁₃H₁₀Br₂N₂S386.11
2059-76-94-IodophenylisothiocyanateC₇H₄INS261.09
2059-99-62-(4-Bromobenzoyl)benzamideC₁₄H₁₀BrNO₂304.14
20590-32-3Mead acidC₂₀H₃₄O₂306.49
2059082-61-82-Methoxyethylamine hydroiodideC₃H₁₀INO203.02
20591-60-02-Bromo-3-(dimethylamino)acroleinC₅H₈BrNO178.03
20591-87-1Ethyl 2-hydroxyiminopropionateC₅H₉NO₃131.13
2059140-61-1tert-Butyl 6-iodo-2-azaspiro[3.3]heptane-2-carboxylateC₁₁H₁₈INO₂323.17
20592-10-32-Ethyloctan-1-olC₁₀H₂₂O158.28
20592-20-57-[(1R,2R,3R,5S)-3,5-Dihydroxy-2-[(3S)-3-hydroxyoctyl]cyclopentyl]heptanoic acidC₂₀H₃₈O₅358.52
20592-85-2Sodium aminotris(methylenephosphonate)C₃H₁₁NNaO₉P₃321.03
205927-03-33,3'-Di-tert-butyl-5,5',6,6'-tetramethyl(1,1'-biphenyl)-2,2'-diolC₂₄H₃₄O₂354.53
205927-64-63-(Dimethylamino)benzohydrazideC₉H₁₃N₃O179.22
205928-24-12-Phenyl-N-(4-phenyl-1,3-thiazol-2-yl)acetamideC₁₇H₁₄N₂OS294.38
205934-46-9N-[(2S)-Butan-2-yl]-1-(2-chlorophenyl)-N-methylisoquinoline-3-carboxamideC₂₁H₂₁ClN₂O352.87
205937-77-51-[4-(Methylsulfanyl)phenyl]ethan-1-amine hydrochlorideC₉H₁₄ClNS203.74
20594-30-34-Methyl-1H,2H,5H,6H,7H-cyclopenta[b]pyridin-2-oneC₉H₁₁NO149.19
20594-83-6NalbuphineC₂₁H₂₇NO₄357.45
20595-04-43R-Hydroxypalmitic acidC₁₆H₃₂O₃272.43
20595-29-32-Fluorocinnamic acidC₉H₇FO₂166.15
20595-30-6(2E)-3-(3-Fluorophenyl)-2-propenoic acidC₉H₇FO₂166.15
20595-44-2trans-2,3-Dichlorocinnamic acidC₉H₆Cl₂O₂217.05
20595-45-32,4-Dichlorocinnamic acid, (E)-C₉H₆Cl₂O₂217.05
20595-47-5(2E)-3-(2,5-Dichlorophenyl)prop-2-enoic acidC₉H₆Cl₂O₂217.05
20596-93-4Magnesium uranium(4+) hexaacetateC₂H₃MgO₂U+₅321.38
2059684-74-94-Amino-1-(1-methyl-1H-pyrazol-4-yl)pyrrolidin-2-one dihydrochlorideC₈H₁₄Cl₂N₄O253.13
205985-95-12-(Methylsulfonyl)aniline hydrochlorideC₇H₁₀ClNO₂S207.68
205985-96-22-(4-Hydroxycarbonyl-2-nitrophenyl)malondialdehydeC₁₀H₇NO₆237.17
205985-97-3Methyl 5-bromonicotinoylacetateC₉H₈BrNO₃258.07
205985-98-4Methyl 3-(2-chlorophenyl)-3-oxopropanoateC₁₀H₉ClO₃212.63
205989-12-4Luotonin AC₁₈H₁₁N₃O285.31
205989-13-5Luotonin BC₁₈H₁₁N₃O₂301.31
2059908-07-3rac-(2R,3S)-2-(Pyridin-4-yl)oxolan-3-amine dihydrochlorideC₉H₁₄Cl₂N₂O237.13
2059908-45-9rac-(1R,2R)-2-(3-Chlorophenyl)cyclohexane-1-carboxylic acidC₁₃H₁₅ClO₂238.71
2059908-57-3(1R,2S)-2-Fluorocyclohexan-1-amine hydrochlorideC₆H₁₃ClFN153.63
2059909-65-6(6R)-2,8,14-Triazatricyclo(8.4.0.0,2,6)tetradeca-1(14),10,12-trieneC₁₁H₁₅N₃189.26
2059909-93-0rac-(3R,6R)-6-Methylmorpholine-3-carboxylic acid hydrochlorideC₆H₁₂ClNO₃181.62
2059910-04-01-Amino-3-fluorocyclobutane-1-carboxylic acid hydrochlorideC₅H₉ClFNO₂169.58
2059910-49-3(1S,3s)-3-Hydroxy-1-(4-methylphenyl)cyclobutane-1-carboxylic acidC₁₂H₁₄O₃206.24
2059910-53-9(1S,3s)-1-(3,5-Difluorophenyl)-3-hydroxycyclobutane-1-carboxylic acidC₁₁H₁₀F₂O₃228.19
2059910-59-5Methyl((((3S)-piperidin-3-yl)methyl))amine dihydrochlorideC₇H₁₈Cl₂N₂201.14
2059910-71-1(2R)-2-(Dimethylamino)hexanoic acidC₈H₁₇NO₂159.23
2059910-88-0(3S)-3-Amino-3-(3-iodophenyl)propanoic acid hydrochlorideC₉H₁₁ClINO₂327.55
2059911-46-3Rac-(1s,3s)-1-(2-chlorophenyl)-3-hydroxycyclobutane-1-carboxylic acidC₁₁H₁₁ClO₃226.66
2059911-57-6Rac-(1r,3r)-3-(2,2,2-trifluoroethoxy)cyclobutan-1-olC₆H₉F₃O₂170.13
2059911-70-3(1S)-1-(Piperidin-4-yl)ethan-1-ol hydrochlorideC₇H₁₆ClNO165.66
2059912-10-43-(Benzenesulfonyl)cyclobutan-1-amine hydrochlorideC₁₀H₁₄ClNO₂S247.75
2059912-12-6(2S)-1-Methyl-2-(propan-2-yl)piperazine hydrochlorideC₈H₁₉ClN₂178.71
2059912-18-2(6S)-2,8,14-Triazatricyclo[8.4.0.0,2,6]tetradeca-1(14),10,12-trieneC₁₁H₁₅N₃189.26
2059912-44-4[(3S,4R)-4-(Hydroxymethyl)-3,4-dimethylpyrrolidin-3-yl]methanol hydrochlorideC₈H₁₈ClNO₂195.69
2059913-52-7rac-(2'R,4S)-6-(Propan-2-yl)-2,3-dihydrospiro(1-benzopyran-4,1'-cyclopropane)-2'-carboxylic acidC₁₅H₁₈O₃246.31
2059913-68-5[(3R)-Piperidin-3-yl]methanamine dihydrochlorideC₆H₁₆Cl₂N₂187.11
2059913-70-9Rac-2-chloro-1-[(1s,4s)-4-(trifluoromethyl)cyclohexyl]ethan-1-oneC₉H₁₂ClF₃O228.64
2059913-71-0Methyl((((2S)-piperidin-2-yl)methyl))amine dihydrochlorideC₇H₁₈Cl₂N₂201.14
2059913-74-3Methyl[(1R)-1-(2-methylphenyl)ethyl]amine hydrochlorideC₁₀H₁₆ClN185.70
2059913-79-8Rac-(1r,3r)-3-(phenylsulfanyl)cyclobutan-1-amine hydrochlorideC₁₀H₁₄ClNS215.75
2059913-83-4rac-(1r,4r)-4-(1H-Imidazol-2-yl)cyclohexan-1-amine dihydrochlorideC₉H₁₇Cl₂N₃238.16

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