CAS number index

CAS numbers starting with 20, page 60

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

Showing 5,901 to 6,000 of 7,121 chemicals

CAS numberChemical nameFormulaMol. weight

209128-50-7(1R,2R)-2-((tert-Butoxycarbonyl)amino)cyclohexane-1-carboxylic acidC₁₂H₂₁NO₄243.30
2091283-34-87-Bromo-2-oxo-1,3-dihydrobenzimidazole-5-carbonitrileC₈H₄BrN₃O238.04
2091298-81-45-Chloro-2-methyl-6-nitro-1,8-naphthyridineC₉H₆ClN₃O₂223.62
20913-07-913-Phenyltridecanoic acidC₁₉H₃₀O₂290.45
20913-25-1Ethyl 2-methylcyclopropanecarboxylateC₇H₁₂O₂128.17
2091300-58-01-(2-Chloropyridin-4-yl)-2,2-difluoroethan-1-olC₇H₆ClF₂NO193.58
2091327-62-5Rac-(1r,3r)-3-(methoxymethyl)cyclobutan-1-amineC₆H₁₃NO115.18
2091327-91-01-[(tert-Butoxy)carbonyl]-2,2-dimethylazetidine-3-carboxylic acidC₁₁H₁₉NO₄229.28
2091328-15-1tert-Butyl 3-hydroxy-2,2-dimethylazetidine-1-carboxylateC₁₀H₁₉NO₃201.27
2091328-57-11-[(2S)-Oxetan-2-yl]methanamineC₄H₉NO87.12
2091355-32-53-(Trifluoromethyl)cyclobutane-1-carbaldehydeC₆H₇F₃O152.12
2091362-20-6Methyl 1-(hydroxymethyl)-2,3-dihydro-1H-indene-5-carboxylateC₁₂H₁₄O₃206.24
2091362-81-91-(Bromomethyl)-1-methoxycyclopropaneC₅H₉BrO165.03
2091369-45-6Methyl 2-{5H,6H,7H,8H-imidazo[1,2-a]pyrimidin-3-yl}acetateC₉H₁₃N₃O₂195.22
2091385-54-32-(3-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)propyl)-4-methyl-1,3-thiazole-5-carboxylic acidC₂₃H₂₂N₂O₄S422.51
2091390-30-41-(1-Bromoethyl)-2-(trifluoromethoxy)benzeneC₉H₈BrF₃O269.06
2091396-14-2(3-Ethoxycyclobutyl)methanesulfonyl chlorideC₇H₁₃ClO₃S212.70
2091398-00-23-(Trifluoromethyl)-1-oxa-2,8-diazaspiro(4.5)dec-2-eneC₈H₁₁F₃N₂O208.18
2091400-93-81-Bromo-5-(chloromethyl)-2-fluoro-3-iodobenzeneC₇H₄BrClFI349.37
2091406-32-35-Hydroxypyrazolo[1,5-a]pyridine-3-carbonitrileC₈H₅N₃O159.15
2091417-05-7tert-Butyl 7-amino-5-azaspiro[2.5]octane-5-carboxylateC₁₂H₂₂N₂O₂226.32
2091419-29-14-((((tert-Butoxy)carbonyl)amino)methyl)-4H,5H,6H,7H-pyrazolo(1,5-a)pyridine-3-carboxylic acidC₁₄H₂₁N₃O₄295.34
2091424-72-3tert-Butyl N-(6-bromopyrimidin-4-yl)carbamateC₉H₁₂BrN₃O₂274.12
2091425-28-22-Bromo-1,3-bis(difluoromethyl)-5-nitrobenzeneC₈H₄BrF₄NO₂302.02
2091425-58-83-Bromo-6-fluoro-2-methoxybenzene-1-sulfonyl chlorideC₇H₅BrClFO₃S303.54
2091427-15-36-Bromo-2-methoxypyrazolo[1,5-a]pyrimidine-3-sulfonyl chlorideC₇H₅BrClN₃O₃S326.56
2091428-08-7(4-Methyloxolan-2-yl)methanesulfonyl chlorideC₆H₁₁ClO₃S198.67
2091428-29-21-Bromo-3,3-difluoro-4-methylpentaneC₆H₁₁BrF₂201.05
2091430-99-6(1-(2,2,2-Trifluoroethyl)-1H-pyrazol-3-yl)methanesulfonyl chlorideC₆H₆ClF₃N₂O₂S262.64
2091438-66-12-Amino-6-chloropyrimidine-4-carbonitrileC₅H₃ClN₄154.56
2091439-47-16-Chloro-3-(propan-2-yl)pyridine-2-carbonitrileC₉H₉ClN₂180.64
2091445-71-32-Bromo-4-(methoxymethyl)benzonitrileC₉H₈BrNO226.07
2091447-89-92-Chloro-5-trifluoromethanesulfonylpyridineC₆H₃ClF₃NO₂S245.61
2091448-04-1(6-Methyloxan-2-yl)methanesulfonyl chlorideC₇H₁₃ClO₃S212.70
2091451-92-04-(1H-1,2,3,4-Tetrazol-5-yl)pyridin-2-amineC₆H₆N₆162.16
2091452-31-02H,3H,4H-Pyrano(2,3-c)pyridin-4-oneC₈H₇NO₂149.15
2091455-57-9tert-Butyl 5,8-diazaspiro[3.6]decane-8-carboxylateC₁₃H₂₄N₂O₂240.35
2091468-76-51-Bromo-5-(bromomethyl)-3-chloro-2-methylbenzeneC₈H₇Br₂Cl298.40
2091471-08-64-Bromo-2-hydroxy-6-(trifluoromethyl)benzonitrileC₈H₃BrF₃NO266.02
2091473-85-5Methyl 6-chloro-1-methyl-1H-pyrazolo[3,4-b]pyridine-5-carboxylateC₉H₈ClN₃O₂225.63
2091493-91-11-Ethyl-3-oxocyclobutane-1-carbonitrileC₇H₉NO123.16
20915-57-5MethindioneC₁₂H₁₃NO₂203.24
2091503-23-81-(2-Chloropyridin-4-yl)cyclobutane-1-carbonitrileC₁₀H₉ClN₂192.65
2091504-18-4(1-Benzylcyclohex-2-en-1-yl)methanamineC₁₄H₁₉N201.31
2091504-96-83-Amino-2-fluoro-6-hydroxybenzonitrileC₇H₅FN₂O152.13
2091506-85-13-Amino-2-methanesulfonylbenzonitrileC₈H₈N₂O₂S196.23
2091509-20-31-(Chloromethyl)-4,5-difluoro-2-iodobenzeneC₇H₄ClF₂I288.46
2091510-26-64-(2,4-Difluorophenyl)-1H-pyrazol-5-amineC₉H₇F₂N₃195.17
2091511-83-81-(1-Bromoethyl)-3-(trifluoromethoxy)benzeneC₉H₈BrF₃O269.06
2091512-93-3Methyl 8-amino-6-chloroimidazo(1,2-a)pyrazine-3-carboxylateC₈H₇ClN₄O₂226.62
2091517-76-7Methyl 4-(2-hydroxyphenyl)-1,3-oxazole-2-carboxylateC₁₁H₉NO₄219.20
2091517-94-9Methyl 2-(3-hydroxyoxetan-3-yl)acetateC₆H₁₀O₄146.14
2091520-30-6Methyl 4H,5H,6H,7H-(1,3)thiazolo(5,4-b)pyridine-2-carboxylateC₈H₁₀N₂O₂S198.25
2091528-20-83-Amino-6-bromo-2-methoxybenzonitrileC₈H₇BrN₂O227.06
2091530-12-82-(3-Bromo-1-methyl-1H-pyrazol-5-yl)acetonitrileC₆H₆BrN₃200.04
2091534-69-75-Bromo-1,2,4-thiadiazole-3-carbonitrileC₃BrN₃S190.03
2091537-29-82-Bromo-4-chloro-1-ethyl-1H-imidazole-5-carbonitrileC₆H₅BrClN₃234.48
2091542-88-83-Fluoro-1-methyl-1H-pyrazole-4-sulfonyl chlorideC₄H₄ClFN₂O₂S198.61
2091545-71-86-Methoxy-2,2-dimethyl-2,3,4,5-tetrahydro-1,4-benzoxazepineC₁₂H₁₇NO₂207.27
2091548-41-15-Bromo-1,3,4-oxadiazole-2-carbonitrileC₃BrN₃O173.96
2091549-02-76-Chloro-1,3-dimethyl-1H-pyrazolo[3,4-b]pyridin-4-olC₈H₈ClN₃O197.63
2091550-40-0Methyl 4-bromo-2-methyl-2H-indazole-7-carboxylateC₁₀H₉BrN₂O₂269.10
2091554-91-33-Hydroxy-1-phenylcyclobutane-1-carboxamideC₁₁H₁₃NO₂191.23
2091561-37-2Methyl 7-oxo-5H,6H,7H-cyclopenta(b)pyridine-2-carboxylateC₁₀H₉NO₃191.19
2091565-66-93-Methyl-4H,5H,6H,7H-pyrazolo[1,5-a]pyrazineC₇H₁₁N₃137.19
2091573-19-02-(1,4-Dioxan-2-yl)ethane-1-sulfonyl chlorideC₆H₁₁ClO₄S214.67
2091576-24-6Methyl 5-formyl-1,3-thiazole-4-carboxylateC₆H₅NO₃S171.18
209158-91-83,4-Methylenedioxy-3',4',5'-trimethoxy chalconeC₁₉H₁₈O₆342.35
2091582-15-72-(6,7-Dihydropyrazolo[1,5-a]pyrazin-5(4H)-yl)ethan-1-amineC₈H₁₄N₄166.23
2091588-79-12-(1-Ethenylcyclopropyl)acetic acidC₇H₁₀O₂126.16
2091593-06-32-(Chloromethyl)-1,3-thiazole-4-carbonitrileC₅H₃ClN₂S158.61
2091595-63-8Ethyl 4-bromo-2,3-dihydro-1-benzofuran-2-carboxylateC₁₁H₁₁BrO₃271.11
2091596-47-1Ethyl 4-hydroxy-1-methyl-1H-pyrazole-3-carboxylateC₇H₁₀N₂O₃170.17
2091597-42-9(5-Cyclopropyl-1H-pyrazol-4-yl)methanolC₇H₁₀N₂O138.17
2091597-77-03-(Difluoromethyl)-4-fluorobenzene-1-sulfonyl chlorideC₇H₄ClF₃O₂S244.62
2091598-16-0rac-(1R,2S)-2-Fluorocyclohexane-1-sulfonyl chlorideC₆H₁₀ClFO₂S200.66
2091599-41-4Ethyl 4-hydroxy-1-methyl-4,5,6,7-tetrahydro-1H-indazole-3-carboxylateC₁₁H₁₆N₂O₃224.26
2091599-93-62-(2-Methoxypyridin-4-yl)morpholineC₁₀H₁₄N₂O₂194.23
20916-22-7N-(4-Chlorophenyl)-2-(4-nitrophenoxy)acetamideC₁₄H₁₁ClN₂O₄306.70
20916-26-12-{[(4-Nitrophenoxy)acetyl]amino}benzoic acidC₁₅H₁₂N₂O₆316.27
20916-30-7N-Benzyl-2-(2-nitrophenoxy)acetamideC₁₅H₁₄N₂O₄286.29
20916-70-5p-tert-Butyl-N,N-diethylbenzamideC₁₅H₂₃NO233.35
2091602-53-63-Bromo-5-(difluoromethyl)-2-methylthiopheneC₆H₅BrF₂S227.07
2091605-06-85-Bromoisoquinoline-8-carbonitrileC₁₀H₅BrN₂233.07
2091606-48-13-Bromo-2-fluoro-5-(trifluoromethyl)benzoic acidC₈H₃BrF₄O₂287.01
2091606-50-54-(Difluoromethyl)-1-methyl-1H-pyrazole-3-carboxylic acidC₆H₆F₂N₂O₂176.12
2091606-83-42-Bromo-6-fluoro-3-(trifluoromethyl)benzonitrileC₈H₂BrF₄N268.01
2091608-10-34-Cyano-5-fluoro-1H-indole-2-carboxylic acidC₁₀H₅FN₂O₂204.16
2091608-75-03-Bromo-2-chloro-5-(difluoromethyl)thiopheneC₅H₂BrClF₂S247.49
2091608-91-03-Fluoro-3-(4-fluorophenyl)cyclobutane-1-carboxylic acidC₁₁H₁₀F₂O₂212.19
2091609-24-23-Bromo-4-(trifluoromethyl)pyridazineC₅H₂BrF₃N₂226.98
2091619-22-45-(Bromomethyl)-1,1-difluorospiro[2.3]hexaneC₇H₉BrF₂211.05
2091625-18-0Ethyl 3-chloro-5-methylpyridazine-4-carboxylateC₈H₉ClN₂O₂200.63
2091625-52-2tert-Butyl 8-amino-6-azaspiro(3.5)nonane-6-carboxylateC₁₃H₂₄N₂O₂240.35
209163-25-72-[3-({[(9H-Fluoren-9-yl)methoxy]carbonyl}amino)-2-oxopiperidin-1-yl]acetic acidC₂₂H₂₂N₂O₅394.43
2091630-94-14-tert-Butyl-1H-pyrazole-5-carboxylic acidC₈H₁₂N₂O₂168.20
2091632-09-45-Bromo-2-[(trifluoromethyl)sulfanyl]pyrimidineC₅H₂BrF₃N₂S259.05
2091633-90-65-{[(9H-Fluoren-9-yl)methoxy]carbonyl}-2H,4H,5H,6H,7H-pyrazolo[4,3-c]pyridine-3-carboxylic acidC₂₂H₁₉N₃O₄389.41
2091636-03-0(4-(Trifluoromethyl)oxan-4-yl)methanolC₇H₁₁F₃O₂184.16
2091645-52-0Methyl 4-oxo-4H,5H,6H-cyclopenta[b]thiophene-2-carboxylateC₉H₈O₃S196.23

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