CAS number index

CAS numbers starting with 20, page 15

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

Showing 1,401 to 1,500 of 7,121 chemicals

CAS numberChemical nameFormulaMol. weight

20241-03-63,3-Dimethyl-1-(3-methylphenyl)-1-triazeneC₉H₁₃N₃163.22
20241-05-8Triazene, 1-(m-chlorophenyl)-3,3-dimethyl-C₈H₁₀ClN₃183.64
20241-06-93,3-Dimethyl-1-(3-nitrophenyl)triazeneC₈H₁₀N₄O₂194.19
20241-74-11,4-Bis(2,6-diethylanilino)anthracene-9,10-dioneC₃₄H₃₄N₂O₂502.66
20241-76-3Disperse Blue 77C₂₀H₁₂N₂O₆376.32
20241-99-02-Propenoic acid, 2-methyl-, 2,2-bis[(2-propen-1-yloxy)methyl]butyl esterC₁₆H₂₆O₄282.38
2024104-93-4(1-(2,2-Difluoroethyl)cyclobutyl)methanolC₇H₁₂F₂O150.17
202415-39-21-(2-Oxopropyl)-2,5-dihydro-1H-1,2,3,4-tetrazol-5-oneC₄H₆N₄O₂142.12
2024244-82-25-Bromo-4-fluoro-6-methoxypyrimidineC₅H₄BrFN₂O207.00
2024284-20-4tert-Butyl N-(1-amino-1-(naphthalen-2-yl)propan-2-yl)carbamateC₁₈H₂₄N₂O₂300.40
2024291-74-33-Ethynyl-1-methyl-1H-pyrazole-5-carbaldehydeC₇H₆N₂O134.14
20243-59-8Luteolin 7-methyl etherC₁₆H₁₂O₆300.27
2024359-30-42-((4-Fluorophenyl)methyl)oxolane-2-carboxylic acidC₁₂H₁₃FO₃224.23
2024389-76-01-(3-Fluoro-5-methoxyphenyl)-1H-pyrazole-3-carboxylic acidC₁₁H₉FN₂O₃236.20
20244-61-52,4,4,6-Tetrabromocyclohexa-2,5-dienoneC₆H₂Br₄O409.70
20244-86-47-MethylguanosineC₁₁H₁₆N₅O₅+298.28
2024418-01-53-(2-Oxo-1,3-oxazolidin-3-yl)propane-1-sulfonyl chlorideC₆H₁₀ClNO₄S227.67
2024430-38-24,4-Difluoro-3,3-dimethylpentanoic acidC₇H₁₂F₂O₂166.17
20245-33-47-MethylinosineC₁₁H₁₅N₄O₅+283.26
20245-39-01,3,7-Trihydroxy-2-(3-methylbut-2-enyl)-xanthoneC₁₈H₁₆O₅312.32
20245-49-22-Hydroxy-4-methylhexanoic acidC₇H₁₄O₃146.19
2024538-64-36-Chloropyrazolo[1,5-a]pyrimidineC₆H₄ClN₃153.57
202459-40-32-[(1,3-Benzodioxol-5-ylamino)methylene]-5,5-dimethyl-1,3-cyclohexanedioneC₁₆H₁₇NO₄287.31
20246-26-8(2S,3R)-2,3,4-Trihydroxybutanoic acidC₄H₈O₅136.10
20246-33-7D-Gulonic acidC₆H₁₂O₇196.16
20246-55-3TripalmitoleinC₅₁H₉₂O₆801.29
20246-59-7Hydroxydocosanoic acid sophorosideC₃₈H₆₈O₁₅764.95
20246-81-5(1,1'-Biphenyl)-2,2'-dicarboxylic acid, 4,4'-dinitro-C₁₄H₈N₂O₈332.22
202460-48-86-[(2-Aminoethyl)amino]pyridine-3-carbonitrileC₈H₁₀N₄162.20
202463-68-1AM 281C₂₁H₁₉Cl₂IN₄O₂557.22
2024646-57-74-(5-Bromopyridin-3-yl)-2,6-dichloropyrimidineC₉H₄BrCl₂N₃304.96
2024658-08-86-Chloro-3-((2,2-difluoro-1-methylcyclopropyl)methyl)-3,4-dihydropyrimidin-4-oneC₉H₉ClF₂N₂O234.63
202466-68-0Ro 04-6790C₁₂H₁₆N₆O₂S308.37
202466-77-14-Amino-N-[2,6-bis(methylamino)pyridin-4-yl]benzenesulfonamideC₁₃H₁₇N₅O₂S307.38
202468-35-7(2R,3S)-2-(15N)azanyl-3-(113C)methyl(1,2,3,4,5-13C5)pentanoic acidC₆H₁₃NO₂138.12
202468-69-7(±)-1,2-Propylene-d6 oxideC₃H₆O64.12
202468-80-2(~2~H_7_)Butan(~2~H)oic acidC₄H₈O₂96.15
20247-82-92-Hydroxy-6-methylbenzohydrazideC₈H₁₀N₂O₂166.18
202475-38-56,7-Dimethoxy-N-(3-methoxyphenyl)quinazolin-4-amineC₁₇H₁₇N₃O₃311.34
202475-54-56,7-Dimethoxy-N-(3,4,5-trimethoxyphenyl)quinazolin-4-amineC₁₉H₂₁N₃O₅371.39
202475-55-6RefChem:236349C₁₆H₁₄FN₃O₂299.31
202475-60-3Whi-p131C₁₆H₁₅N₃O₃297.31
202477-57-41-tert-Butyl 2-methyl 2,5-dihydro-1H-pyrrole-1,2-dicarboxylateC₁₁H₁₇NO₄227.26
20248-08-2delta-AmyroneC₃₀H₄₈O424.71
20248-18-4(20S)-3-Oxopregna-1,4-diene-20-carboxylic acidC₂₂H₃₀O₃342.48
20248-64-04,6-Dichlorobenzene-1,3-diamineC₆H₆Cl₂N₂177.03
20248-86-64,4'-Bis(bromomethyl)biphenylC₁₄H₁₂Br₂340.06
202480-67-92-(2,4-Dichloro-3,5,6-trideuteriophenoxy)acetic acidC₈H₆Cl₂O₃224.06
202480-74-81,2-Propylene-d6 carbonateC₄H₆O₃108.13
202482-44-82-[4-[5-[1-(2,5-Disulfophenyl)-1,5-dihydro-3-[(methylamino)carbonyl]-5-oxo-4H-pyrazol-4-ylidene]-3-(2-oxo-1-pyrrolidinyl)-1,3-pentadien-1-yl]-5-hydroxy-3-[(methylamino)carbonyl]-1H-pyrazol-1-yl]-1,4-benzenedisulfonic acid potassium salt (1:5)C₃₁H₂₄K₅N₇O₁₇S₄1090.32
202483-62-32-(2-Hexyldecyloxy)benzamideC₂₃H₃₉NO₂361.57
202483-63-44-Hexadecyl-1-phenyl-3-pyrazolidinoneC₂₅H₄₂N₂O386.62
2024887-18-91-Ethoxy-4,4-difluorocyclohexane-1-carboxylic acidC₉H₁₄F₂O₃208.20
20249-16-53-Oxocyclobutane-1-carbonitrileC₅H₅NO95.10
20249-17-63-Hydroxycyclobutane-1-carbonitrileC₅H₇NO97.12
20249-18-73-Chlorocyclobutane-1-carbonitrileC₅H₆ClN115.56
2025-40-3Ethyl benzylidenecyanoacetateC₁₂H₁₁NO₂201.22
2025-95-81,8-Bis(bromomethyl)naphthaleneC₁₂H₁₀Br₂314.02
2025009-34-92-(2,2-Difluoro-1-methylcyclopropyl)acetic acidC₆H₈F₂O₂150.12
202521-89-92-Amino-3-fluoro-3-methylbutan-1-olC₅H₁₂FNO121.16
202522-22-3(4-Fluoro-2-(trifluoromethyl)phenyl)methanamineC₈H₇F₄N193.14
202522-23-41-(2-Chloro-5-fluorophenyl)methanamineC₇H₇ClFN159.59
202522-28-9(3-Chloro-2-methylphenyl)methanamine hydrochlorideC₈H₁₁Cl₂N192.09
202523-13-5But-3-en-1-yl 1H-imidazole-1-carboxylateC₈H₁₀N₂O₂166.18
202525-95-93-O-MethylcalopocarpinC₂₁H₂₂O₄338.40
202529-18-8Sodium (~2~H_5_)propanoateC₃H₅NaO₂101.09
202533-71-9(2S,4R,5R)-4-Ethenyl-2-(1-hydroxy-1-methylethyl)-8-methyl-1-oxaspiro(4.5)dec-7-ene-6,9-dioneC₁₅H₂₀O₄264.32
2025360-91-0Arazasetron besylateC₂₃H₂₆ClN₃O₆S508.00
202537-09-55-Benzyl-4-methyl-1,3,4,5-tetrahydro-2H-1,5-benzodiazepine-2-thioneC₁₇H₁₈N₂S282.41
20254-76-63-Chloroquinoxaline-2-carboxylic acidC₉H₅ClN₂O₂208.60
2025402-94-0{6,6-Difluorospiro[2.5]octan-1-yl}methanamineC₉H₁₅F₂N175.22
20255-23-6Ferric picrateC₁₈H₆FeN₉O₂₁740.13
20255-70-3Bis(4-iodophenyl)amineC₁₂H₉I₂N421.02
20255-95-21,2-DimyristoylphosphatidylethanolamineC₃₃H₆₆NO₈P635.86
2025556-80-12-Methyl-2-(1,3-thiazol-5-yl)propanoic acidC₇H₉NO₂S171.22
2025562-22-31-Bromo-3,3-difluoropentaneC₅H₉BrF₂187.03
20256-00-2Dodecylamine nitrateC₁₂H₂₈N₂O₃248.37
20256-39-72-Acetamido-5-chlorothiazoleC₅H₅ClN₂OS176.63
20256-54-6TetrahexylammoniumC₂₄H₅₂N+354.69
20256-55-7DioctyldimoniumC₁₈H₄₀N+270.52
20256-56-8DidecyldimethylammoniumC₂₂H₄₈N+326.63
20256-58-0DimethyldimyristylammoniumC₃₀H₆₄N+438.85
2025628-29-71-(tert-Butoxycarbonyl)-3-(2-methoxyethyl)azetidine-3-carboxylic acidC₁₂H₂₁NO₅259.30
20257-17-4N-(1-Hydroxyethylidene)isoleucineC₈H₁₅NO₃173.21
20257-95-8Methyl 8-hydroxyoctanoateC₉H₁₈O₃174.24
202578-88-9Bms-561388C₂₁H₂₉N₅O₃399.50
2025786-84-73-(Chloromethyl)-5,5-difluoro-4,5,6,7-tetrahydro-1,2-benzoxazoleC₈H₈ClF₂NO207.61
2025788-52-53-Cyclobutylpropane-1-sulfonyl chlorideC₇H₁₃ClO₂S196.70
202579-74-63-(4-Methoxy-2-methylphenyl)-2,5-dimethyl-N-pentan-3-ylpyrazolo[1,5-a]pyrimidin-7-amineC₂₁H₂₈N₄O352.48
20258-07-5Cyclohexyl N-cyclohexylcarbamateC₁₃H₂₃NO₂225.33
202581-65-58-Ethoxy-1,3-dimethyl-4H-cyclohepta[c]furan-4-oneC₁₃H₁₄O₃218.25
202584-20-1Methyl 6-(methylsulfanyl)-1H-indole-2-carboxylateC₁₁H₁₁NO₂S221.28
202584-22-36-(Methylsulfanyl)-1H-indoleC₉H₉NS163.25
202585-62-4Orb1991383C₅₄H₈₆O₂₄1119.26
20259-31-8Docosanoic acid, iron(3+) salt (3:1)C₆₆H₁₂₉FeO₆1074.60
20259-32-9Ferric palmitateC₄₈H₉₃FeO₆822.11
20259-33-0(~18~O)Oxo(~15~N_2_)-1lambda~5~-diazyneN₂O48.00
202590-69-0Norcisapride, (+)-C₁₄H₂₀ClN₃O₃313.79
202590-98-5(6S)-4-(4-Chlorophenyl)-N-(4-hydroxyphenyl)-2,3,9-trimethyl-6H-thieno(3,2-f)(1,2,4)triazolo(4,3-a)(1,4)diazepine-6-acetamideC₂₅H₂₂ClN₅O₂S492.00
202591-23-92-(4-(4-Chlorophenyl)-2,3,9-trimethyl-6H-thieno[3,2-f][1,2,4]triazolo[4,3-a][1,4]diazepin-6-yl)acetamideC₁₉H₁₈ClN₅OS399.91

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