CAS number index

CAS numbers starting with 20, page 61

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

Showing 6,001 to 6,100 of 7,121 chemicals

CAS numberChemical nameFormulaMol. weight

2091650-15-43-Chloro-2-fluoro-4-nitroanilineC₆H₄ClFN₂O₂190.56
2091652-88-75-Bromo-1-(cyclopropylmethyl)-1H-1,2,4-triazoleC₆H₈BrN₃202.06
2091656-23-23-(Thiophen-2-yl)-1H-pyrrole-2-carboxylic acidC₉H₇NO₂S193.23
2091659-29-73-(Methoxycarbonyl)-1,4-dimethyl-1H-pyrazole-5-carboxylic acidC₈H₁₀N₂O₄198.18
2091668-88-9Methyl 3-amino-2-bromoimidazo(1,2-a)pyridine-6-carboxylateC₉H₈BrN₃O₂270.09
2091677-17-53,3-Dimethoxy-2,2-dimethylcyclobutan-1-oneC₈H₁₄O₃158.20
2091679-77-31-Bromo-3-(bromomethyl)-2-chloro-5-fluorobenzeneC₇H₄Br₂ClF302.37
209169-05-12-(6-Bromo-1H-indol-3-yl)-N-methylethanamineC₁₁H₁₃BrN₂253.14
2091694-00-51-{1-[(tert-Butoxy)carbonyl]piperidin-3-yl}-4-methyl-1H-pyrazole-5-carboxylic acidC₁₅H₂₃N₃O₄309.37
2091694-43-6tert-Butyl 7-oxo-5-azaspiro(2.5)octane-5-carboxylateC₁₂H₁₉NO₃225.29
2091696-96-5Methyl 4H,5H,6H,7H-pyrazolo[1,5-a]pyrimidine-2-carboxylateC₈H₁₁N₃O₂181.19
2091697-40-22,4,5-Trifluorobenzoyl cyanideC₈H₂F₃NO185.10
20917-49-1N-NitrosoheptamethyleneimineC₇H₁₄N₂O142.20
20917-61-7N-Methyl-benzyllinoleamideC₂₆H₄₁NO383.62
209170-04-7N-(4-Methylpyridin-2-yl)-2-(2-oxo-2,3-dihydro-1,3-benzoxazol-3-yl)acetamideC₁₅H₁₃N₃O₃283.29
2091703-25-0tert-Butyl cis-3-hydroxy-2-methyl-piperidine-1-carboxylateC₁₁H₂₁NO₃215.29
2091705-21-24-Oxo-4H,5H-pyrazolo(1,5-a)pyrazine-2-carboxylic acidC₇H₅N₃O₃179.13
2091707-34-35-Amino-1-methyl-1H-1,2,4-triazole-3-carbonitrileC₄H₅N₅123.12
2091708-07-33-Bromo-2-chloro-6-methylphenolC₇H₆BrClO221.48
2091710-10-84-Bromo-3-chloro-2-fluorobenzyl bromideC₇H₄Br₂ClF302.37
2091711-92-9Ethyl 5-amino-4-bromo-1,2-oxazole-3-carboxylateC₆H₇BrN₂O₃235.04
2091726-80-42-Cyano-1-benzofuran-6-sulfonyl chlorideC₉H₄ClNO₃S241.66
209173-94-43-(Quinolin-8-ylsulfonylamino)benzoic acidC₁₆H₁₂N₂O₄S328.35
2091736-28-4tert-Butyl 7-oxo-4-azaspiro[2.4]heptane-4-carboxylateC₁₁H₁₇NO₃211.26
2091743-12-14-Chloro-5-iodopyrimidine-2-carboxylic acidC₅H₂ClIN₂O₂284.44
2091746-02-85-(Bromomethyl)-1-chloro-3-iodo-2-methylbenzeneC₈H₇BrClI345.40
2091748-48-8Spiro[3.3]heptane-2-sulfonyl chlorideC₇H₁₁ClO₂S194.68
2091748-97-72-(5-Oxaspiro(2.5)octan-6-yl)acetic acidC₉H₁₄O₃170.21
2091749-03-8{2,9-Dioxaspiro[5.5]undecan-3-yl}methanesulfonyl chlorideC₁₀H₁₇ClO₄S268.76
209176-12-52,7-Bis[3-(pyrrolidino)propionamido]anthraquinoneC₂₈H₃₂N₄O₄488.59
2091769-17-2FosmanogepixC₂₂H₂₁N₄O₆P468.41
2091769-83-23-(2-Amino-2-methylpropyl)-5,5-dimethylpyrrolidin-2-oneC₁₀H₂₀N₂O184.28
2091769-85-43-(2-Bromoethyl)-5,5-dimethylpyrrolidin-2-oneC₈H₁₄BrNO220.11
2091774-57-91-(Bromomethyl)-4,5-difluoro-2-iodobenzeneC₇H₄BrF₂I332.91
2091775-15-24-(Methoxymethyl)-2-azaspiro[4.4]nonaneC₁₀H₁₉NO169.27
2091782-13-53-Bromo-1H-pyrazolo[4,3-b]pyridine-5-carbonitrileC₇H₃BrN₄223.03
2091782-61-33,5-Difluoropyrazine-2-carbonitrileC₅HF₂N₃141.08
2091785-54-32-{Bicyclo[1.1.1]pentan-1-yl}ethan-1-olC₇H₁₂O112.17
2091787-99-22-Bromo-6-(trifluoromethyl)benzofuranC₉H₄BrF₃O265.03
2091793-00-71-(Difluoromethyl)cyclopropane-1-sulfonyl chlorideC₄H₅ClF₂O₂S190.60
2091795-23-06-Methyl-4H,5H,6H,7H-pyrazolo(1,5-a)pyrazineC₇H₁₁N₃137.19
2091802-86-56-Chloro-4,5-dimethylpyridine-2-carbonitrileC₈H₇ClN₂166.61
2091811-71-93-Amino-2-chloro-4-nitrophenolC₆H₅ClN₂O₃188.57
2091835-63-92-(4-Chloro-6-methyl-1-benzothiophen-5-yl)acetic acidC₁₁H₉ClO₂S240.71
2091848-23-46-(Difluoromethoxy)-1H-indole-2-carboxylic acidC₁₀H₇F₂NO₃227.17
2091853-19-71-(1-{[(9H-Fluoren-9-yl)methoxy]carbonyl}piperidin-3-yl)-1H-pyrazole-3-carboxylic acidC₂₄H₂₃N₃O₄417.46
2091856-13-0Methyl 3-bromo-2-methyl-5H,6H,7H-pyrrolo[1,2-a]imidazole-6-carboxylateC₉H₁₁BrN₂O₂259.10
2091856-57-2Methyl 2-amino-6-methoxybenzo[d]thiazole-4-carboxylateC₁₀H₁₀N₂O₃S238.27
2091857-66-65-Bromo-6-chloro-3-methylpyridine-2-carbonitrileC₇H₄BrClN₂231.48
2091871-85-9tert-Butyl 4-[5-(chloromethyl)-1,2-oxazol-3-yl]piperidine-1-carboxylateC₁₄H₂₁ClN₂O₃300.79
2091872-40-91-(Bromomethyl)-1-methanesulfonylcyclopropaneC₅H₉BrO₂S213.10
2091872-93-25-Bromo-2-chloro-3-fluoropyridin-4-amineC₅H₃BrClFN₂225.45
2091880-94-1Ethyl 3-bromo-4-methyl-1,2-oxazole-5-carboxylateC₇H₈BrNO₃234.05
2091893-43-33-(1-{[(9H-Fluoren-9-yl)methoxy]carbonyl}piperidin-3-yl)-1H-pyrazole-4-carboxylic acidC₂₄H₂₃N₃O₄417.46
2091895-09-7(Quinazolin-2-yl)methanolC₉H₈N₂O160.18
2091896-93-21-(1-(((9H-Fluoren-9-yl)methoxy)carbonyl)piperidin-3-yl)-1H-pyrazole-4-carboxylic acidC₂₄H₂₃N₃O₄417.46
20919-36-2N-Benzyl-2-hydroxybenzamideC₁₄H₁₃NO₂227.26
20919-42-0N-IodophthalimideC₈H₄INO₂273.03
20919-82-81,1'-(Benzylimino)dipropan-2-olC₁₃H₂₁NO₂223.32
2091906-33-9rac-(2R,3R)-3-Methyl-1,4-dioxane-2-carboxylic acidC₆H₁₀O₄146.14
2091911-03-21-Bromo-2-(bromomethyl)-5-chloro-4-methoxybenzeneC₈H₇Br₂ClO314.40
2091937-32-32-(4-Bromo-5-fluoro-2-methylphenyl)acetonitrileC₉H₇BrFN228.06
2091940-57-52-Oxa-5,9-diazaspiro[3.6]decan-8-oneC₇H₁₂N₂O₂156.19
2091951-89-01-(Trifluoromethyl)-1H-pyrazole-3-carbaldehydeC₅H₃F₃N₂O164.09
2091966-90-22-(5-Amino-1,3-benzothiazol-2-yl)acetonitrileC₉H₇N₃S189.24
2091984-54-03-Cyano-1-methyl-1H-indole-6-carboxylic acidC₁₁H₈N₂O₂200.20
2091989-95-45-Bromo-1-methyl-1H-1,2,3-triazole-4-carbonitrileC₄H₃BrN₄187.00
2092-16-2Thiocyanic acid, calcium salt (2:1)C₂CaN₂S₂156.25
2092-17-3Barium thiocyanateC₂BaN₂S₂253.50
2092-34-44-Methyl-N'-[(1-phenylcyclopropyl)methylidene]benzene-1-sulfonohydrazideC₁₇H₁₈N₂O₂S314.41
2092-49-1DivanillinC₁₆H₁₄O₆302.28
2092-55-9Alizarine Violet NC₁₆H₁₁N₂NaO₅S366.33
2092-56-0D&C Red No. 8C₁₇H₁₂ClN₂NaO₄S398.80
20920-03-01-Hydroxycycloheptanecarboxylic acidC₈H₁₄O₃158.20
2092005-84-82-(Methylamino)-1,3-oxazole-5-carbonitrileC₅H₅N₃O123.11
2092018-25-0Methyl 3-amino-6-methylfuro(2,3-b)pyridine-2-carboxylateC₁₀H₁₀N₂O₃206.20
2092022-82-53-(Methoxymethyl)-N,N-dimethylpyrrolidin-3-amineC₈H₁₈N₂O158.25
2092024-09-25-Aminopyridazine-3-carbonitrileC₅H₄N₄120.11
2092027-33-13-Cyano-1-methyl-1H-indole-5-carboxylic acidC₁₁H₈N₂O₂200.20
2092031-18-8(1,1'-Bi(cyclobutylidene))-3-carboxylic acidC₉H₁₂O₂152.19
2092040-62-3Methyl 7-bromo-3-oxo-3,4-dihydro-2H-1,4-benzoxazine-5-carboxylateC₁₀H₈BrNO₄286.08
2092047-08-82,4-Dichloro-5-fluoroquinolineC₉H₄Cl₂FN216.04
2092050-62-7rac-(1R,2R)-1-(Bromomethyl)-2-(trifluoromethyl)cyclopropaneC₅H₆BrF₃203.00
2092052-40-71-(Bromomethyl)-1-(trifluoromethyl)cyclobutaneC₆H₈BrF₃217.03
2092062-85-42-Bromo-3-(difluoromethyl)thiopheneC₅H₃BrF₂S213.05
2092064-60-12-((4-Bromo-1-methyl-1H-pyrazol-3-yl)oxy)acetic acidC₆H₇BrN₂O₃235.04
2092066-16-36-(Cyclopropylmethyl)pyrimidin-4-olC₈H₁₀N₂O150.18
2092066-54-98-Bromo-2,3-dihydro-1,4-benzodioxin-6-olC₈H₇BrO₃231.04
2092067-64-4Methyl 2-formylimidazo[1,2-a]pyridine-6-carboxylateC₁₀H₈N₂O₃204.19
2092075-80-23-(Fluoromethyl)bicyclo(1.1.1)pentane-1-carboxylic acidC₇H₉FO₂144.15
2092076-18-9Methyl 2-(fluorosulfonyl)pyridine-4-carboxylateC₇H₆FNO₄S219.19
2092077-08-08a-(Hydroxymethyl)-hexahydro-1H-imidazolidino[4,3-c]morpholin-3-oneC₇H₁₂N₂O₃172.18
2092079-54-25-Bromo-2,4-dichloro-3-fluorobenzoic acidC₇H₂BrCl₂FO₂287.90
2092099-08-4(1,1-Dioxo-1lambda6-thietan-3-yl)methanesulfonyl chlorideC₄H₇ClO₄S₂218.68
20921-00-06-Bromochroman-2-oneC₉H₇BrO₂227.06
20921-96-4Methyl(2-cyanophenyl)acetateC₁₀H₉NO₂175.19
2092120-45-94-Bromo-5-(fluoromethyl)-1-methyl-1H-pyrazoleC₅H₆BrFN₂193.02
2092124-83-73-Amino-3-cyclopropylpropane-1,2-diolC₆H₁₃NO₂131.18
2092124-98-4tert-Butyl 7-(aminomethyl)-6-azaspiro(3.4)octane-6-carboxylateC₁₃H₂₄N₂O₂240.35
2092125-31-83-Hydroxythietane-3-carbonitrile 1,1-dioxideC₄H₅NO₃S147.16

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