CAS number index

CAS numbers starting with 20, page 34

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

Showing 3,301 to 3,400 of 7,121 chemicals

CAS numberChemical nameFormulaMol. weight

20551-25-13-(2-Hydroxyethyl)-6-methyluracilC₇H₁₀N₂O₃170.17
2055107-43-02,4-Dichloro-6-(2,2,2-trifluoroethyl)thieno(2,3-d)pyrimidineC₈H₃Cl₂F₃N₂S287.09
2055119-43-01-(3-Bromo-5-fluorophenyl)piperazine hydrochlorideC₁₀H₁₃BrClFN₂295.58
205515-07-79,10-Diethoxy-2-ethylanthraceneC₂₀H₂₂O₂294.39
2055156-69-7Potassium 2,3-dihydro-1-benzofuran-5-yltrifluoroboranuideC₈H₇BF₃KO226.05
2055172-43-3(2-Ethylpiperidin-1-yl)-[4-[hydroxy(diphenyl)methyl]triazol-2-yl]methanoneC₂₃H₂₆N₄O₂390.49
2055172-60-4(4-[1,1'-Biphenyl]-4-yl-1H-1,2,3-triazol-1-yl)[(2R)-2-(phenylmethyl)-1-piperidinyl]-methanoneC₂₇H₂₆N₄O422.53
20552-63-0[1,2,4]Triazolo[4,3-b]pyridazin-6-olC₅H₄N₄O136.11
205521-82-0GrenadadieneC₂₀H₃₁BrO₄415.37
205521-84-2GrenadamideC₂₁H₃₃NO315.50
2055223-49-7tert-Butyl (3S)-3-[(6-aminopyridin-3-yl)oxy]pyrrolidine-1-carboxylateC₁₄H₂₁N₃O₃279.34
2055223-58-8tert-Butyl (3R)-3-[(6-aminopyridin-3-yl)oxy]pyrrolidine-1-carboxylateC₁₄H₂₁N₃O₃279.34
205524-46-5tert-Butyl (2R)-5-oxopyrrolidine-2-carboxylateC₉H₁₅NO₃185.22
2055248-91-2rac-Methyl (2R,3S)-3-{[(tert-butoxy)carbonyl]amino}piperidine-2-carboxylateC₁₂H₂₂N₂O₄258.32
205526-24-5Fmoc-Phe(3,5-F2)-OHC₂₄H₁₉F₂NO₄423.42
205526-26-7(2S)-2-{[(9H-Fluoren-9-ylmethoxy)carbonyl]amino}-3-(2-fluorophenyl)propanoic acidC₂₄H₂₀FNO₄405.43
205526-29-0Fmoc-D-4-IodophenylalanineC₂₄H₂₀INO₄513.33
205526-30-33,4,5-Trifluoro-L-phenylalanine, N-FMOC protectedC₂₄H₁₈F₃NO₄441.40
205526-32-5Fmoc-pentafluoro-L-phenylalanineC₂₄H₁₆F₅NO₄477.38
205526-61-0(2S)-2-Methylpiperidine hydrochlorideC₆H₁₄ClN135.64
205526-65-4N-Phenyl-1-naphthylamine hydrobromideC₁₆H₁₄BrN300.20
205527-00-05,6,7,4'-Tetrahydroxyflavonol 3-O-rutinosideC₂₇H₃₀O₁₆610.52
2055274-99-0Ethyl 3,5-dichloro-4-formylpicolinateC₉H₇Cl₂NO₃248.06
205528-30-9Fmoc-D-4-PyridylalanineC₂₃H₂₀N₂O₄388.42
205528-32-1(S)-2-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)-3-(thiazol-4-yl)propanoic acidC₂₁H₁₈N₂O₄S394.45
205528-33-2Fmoc-D-4-ThiazolylalanineC₂₁H₁₈N₂O₄S394.45
205533-31-94,5-Difluoro-2-hydroxybenzoic acidC₇H₄F₂O₃174.10
205534-17-42'',4''-Di-O-(Z-p-coumaroyl)afzelinC₃₉H₃₂O₁₄724.67
2055344-88-0tert-Butyl 3-chloro-1,2,3,6-tetrahydropyridine-1-carboxylateC₁₀H₁₆ClNO₂217.70
205535-74-61-(3-((3,4-Dimethoxyphenethyl)(methyl)amino)propyl)-4,5-dimethoxy-2,3-dihydro-1H-indene-1-carbonitrileC₂₆H₃₄N₂O₄438.57
2055362-72-44-(5-(((5Z)-3-Benzyl-4-oxo-2-sulfanylidene-1,3-thiazolidin-5-ylidene)methyl)furan-2-yl)benzoic acidC₂₂H₁₅NO₄S₂421.50
2055389-20-1(1S)-1-Cyclopropyl-2,2-difluoroethan-1-amine hydrochlorideC₅H₁₀ClF₂N157.59
2055390-05-91-Phenyl-2-(trifluoromethoxy)ethan-1-amine hydrochlorideC₉H₁₁ClF₃NO241.64
2055390-07-11-(Trifluoromethoxy)butan-2-amine hydrochlorideC₅H₁₁ClF₃NO193.60
2055390-08-2(2S)-1-(Trifluoromethoxy)propan-2-amine hydrochlorideC₄H₉ClF₃NO179.57
2055390-11-71-Cyclobutyl-2,2,2-trifluoroethan-1-amine hydrochlorideC₆H₁₁ClF₃N189.61
2055390-15-1(2R)-1,1,1-Trifluoro-4-methylpentan-2-amine hydrochlorideC₆H₁₃ClF₃N191.62
2055396-18-2RefChem:345417C₁₄H₁₉FeKN₃O₁₀484.26
2055397-18-5(1,1'-Biphenyl)-3-carboxylic acid, 4-fluoro-5-methyl-, 2-(phenylsulfonyl)hydrazideC₂₀H₁₇FN₂O₃S384.43
2055397-28-7WM-1119C₁₈H₁₃F₂N₃O₃S389.38
2055397-88-92-Fluoro-N'-(phenylsulfonyl)-5-(4-pyridazinyl)benzohydrazideC₁₇H₁₃FN₄O₃S372.38
20554-84-1ParthenolideC₁₅H₂₀O₃248.32
20554-95-4FaradiolC₃₀H₅₀O₂442.73
2055405-76-85-Oxa-6-azaspiro(2.4)heptane hydrochlorideC₅H₁₀ClNO135.59
2055405-85-9Methyl 4H,5H,6H,7H-pyrazolo[1,5-a]pyrazine-2-carboxylate hydrochlorideC₈H₁₂ClN₃O₂217.66
2055405-95-1PIP4K-IN-a131C₂₀H₁₃N₃295.35
20555-02-6BurrodinC₁₅H₂₀O₄264.32
20555-04-8HymeninC₁₅H₁₈O₄262.31
20555-57-15-Hydroxydopamine hydrobromideC₈H₁₂BrNO₃250.09
20555-67-34-Amino-N-(3,4-dimethylphenyl)benzene-1-sulfonamideC₁₄H₁₆N₂O₂S276.36
20555-88-8N(4)-HydroxycytosineC₄H₅N₃O₂127.10
20555-89-9N(4)-MethoxycytosineC₅H₇N₃O₂141.13
20555-91-3Benzene, 1,2-dichloro-4-iodo-C₆H₃Cl₂I272.90
2055536-64-4CintirorgonC₂₇H₂₃F₆NO₆S603.54
2055540-61-7UltraCat (contains 5% Nitromethane at maximum)C₆₁H₆₈Cl₂N₂Ru1001.21
2055597-12-9Asn-007C₂₂H₂₅ClFN₇O₂473.94
20556-11-0L-Lysine-L-valineC₁₁H₂₃N₃O₃245.32
20556-13-2Lys-IleC₁₂H₂₅N₃O₃259.35
20556-14-3Val-IleC₁₁H₂₂N₂O₃230.31
20556-16-5Val-AspC₉H₁₆N₂O₅232.24
20556-18-7Lys-AspC₁₀H₁₉N₃O₅261.28
2055602-83-8Bay-1797C₂₀H₁₇ClN₂O₄S416.89
2055614-94-13-Ethynyl-3-fluorooxolaneC₆H₇FO114.12
2055649-81-3Estetrol monohydrateC₁₈H₂₆O₅322.40
2055713-74-94-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)-1,3-benzoxazoleC₁₃H₁₆BNO₃245.09
2055719-96-3N-(2-Bromo-5-methoxybenzyl)-N-(trifluoromethyl)propan-1-amineC₁₂H₁₅BrF₃NO326.16
2055722-93-32,3,5,6-Tetrakis(3,6-bis(1,1-dimethylethyl)-9H-carbazol-9-yl)benzonitrileC₈₇H₉₇N₅1212.77
2055732-24-4ClaficapavirC₁₇H₁₂ClNO₄S₂393.87
2055752-24-21-Phenyl-4-[4-(4,4,5,5-tetramethyl-[1,3,2]dioxaborolan-2-yl)-benzyl]-piperazineC₂₃H₃₁BN₂O₂378.32
2055756-21-1N'-(2-Chloro-4-(2-fluorophenoxy)-5-methylphenyl)-N-ethyl-N-methylmethanimidamideC₁₇H₁₈ClFN₂O320.80
2055765-77-8BosmolisibC₂₄H₁₇Cl₂N₅O₂478.34
2055779-20-74-Iodo-5-(methoxycarbonyl)-1,2-thiazole-3-carboxylic acidC₆H₄INO₄S313.07
2055812-54-75-Bromo-4-((2-ethylhexyl)oxy)-2-thiophenecarboxaldehydeC₁₃H₁₉BrO₂S319.26
205582-83-83-Acetyl-2-methyl-6-(trifluoromethyl)pyridineC₉H₈F₃NO203.16
2055839-78-41-(2,6-Diazaspiro(3.3)heptan-2-yl)ethan-1-one, trifluoroacetic acidC₉H₁₃F₃N₂O₃254.21
2055839-95-5(2,2-Difluorocyclobutyl)methanamine hydrochlorideC₅H₁₀ClF₂N157.59
205584-69-64,6-Dichloro-7-methoxyquinazolineC₉H₆Cl₂N₂O229.07
2055840-65-66,6-Difluoro-2-azabicyclo(2.2.1)heptane hydrochlorideC₆H₁₀ClF₂N169.60
2055840-67-86-Chloro-1H,2H,3H-pyrrolo(3,4-c)pyridine hydrochlorideC₇H₈Cl₂N₂191.06
2055841-03-57-Bromo-2,3,4,5-tetrahydro-1H-benzo[e][1,4]diazepine hydrochlorideC₉H₁₂BrClN₂263.57
2055841-07-9rac-(1R,2R)-2-(4-Chloro-3-fluorophenyl)cyclopropane-1-carboxylic acidC₁₀H₈ClFO₂214.62
2055841-46-64-Amino-5-(methoxycarbonyl)-1,2-thiazole-3-carboxylic acidC₆H₆N₂O₄S202.19
2055841-68-21-(2-Chloro-3-methylphenyl)methanamine hydrochlorideC₈H₁₁Cl₂N192.09
2055848-72-9(2S)-2-Amino-3,3-difluoropropan-1-ol hydrochlorideC₃H₈ClF₂NO147.55
2055848-75-21-Piperidinecarboxylic acid, 3-amino-4,4-difluoro-, 1,1-dimethylethyl ester, (3S)-C₁₀H₁₈F₂N₂O₂236.26
2055849-14-2(4R)-Spiro(2.4)heptan-4-olC₇H₁₂O112.17
2055858-41-61-tert-Butyl 4-(1,3-dioxo-2,3-dihydro-1H-isoindol-2-yl) 4-methylpiperidine-1,4-dicarboxylateC₂₀H₂₄N₂O₆388.42
20559-16-41-Myristoyl-sn-glycero-3-phosphocholineC₂₂H₄₆NO₇P467.58
20559-17-5PC(13:0/0:0)C₂₁H₄₄NO₇P453.56
20559-18-61-Lauroyl-2-hydroxy-sn-glycero-3-phosphocholineC₂₀H₄₂NO₇P439.53
20559-55-1OxibendazoleC₁₂H₁₅N₃O₃249.27
2055910-20-66-Chloro-3,4-dimethylpyridine-2-carbonitrileC₈H₇ClN₂166.61
2055931-49-02-Fluoro-5-methylpyridine-3-sulfonyl chlorideC₆H₅ClFNO₂S209.63
205594-32-7Tmc-49AC₁₃H₁₉NO₂221.30
205594-65-62-Fluoro-3-(2S-azetidinylmethoxy)pyridine, F-18C₉H₁₁FN₂O181.20
2055988-81-11-tert-Butyl 2-(1,3-dioxo-2,3-dihydro-1H-isoindol-2-yl) piperidine-1,2-dicarboxylateC₁₉H₂₂N₂O₆374.39
205599-75-3Orexin AC₁₅₂H₂₄₃N₄₇O₄₄S₄3561.17
2055999-80-75-(Propoxymethyl)quinolin-8-ol hydrochlorideC₁₃H₁₆ClNO₂253.73
2056-18-0Ethylenediamine, N,N'-bis(o-chlorobenzyl)-, dihydrochlorideC₁₆H₂₀Cl₄N₂382.16
2056-56-6CintazoneC₂₂H₂₂N₂O₂346.43

All pages for 20 (72 pages)Show all

Every CAS number here is checked for a valid check digit. Confirm it with the supplier before you order. CAS Registry Number is a registered trademark of the American Chemical Society.