CAS number index

CAS numbers starting with 20, page 32

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

Showing 3,101 to 3,200 of 7,121 chemicals

CAS numberChemical nameFormulaMol. weight

2051-07-21,5-Bis(4-methoxyphenyl)-1,4-pentadien-3-oneC₁₉H₁₈O₃294.35
2051-10-75,6-ChrysenequinoneC₁₈H₁₀O₂258.28
2051-18-54-Isopropylbenzyl chlorideC₁₀H₁₃Cl168.67
2051-24-3DecachlorobiphenylC₁₂Cl₁₀498.66
2051-25-41,3-DecadieneC₁₀H₁₈138.25
2051-28-7DecahydroquinolineC₉H₁₇N139.24
2051-30-12,6-DimethyloctaneC₁₀H₂₂142.29
2051-31-2Decan-4-olC₁₀H₂₂O158.28
2051-33-42-Isopropyl-5-methylhexan-1-olC₁₀H₂₂O158.28
2051-49-2Hexanoic anhydrideC₁₂H₂₂O₃214.31
2051-50-51-Methylheptyl acetateC₁₀H₂₀O₂172.27
2051-53-82-Amino-p-cymeneC₁₀H₁₅N149.24
2051-60-72-ChlorobiphenylC₁₂H₉Cl188.66
2051-61-83-ChlorobiphenylC₁₂H₉Cl188.66
2051-62-94-ChlorobiphenylC₁₂H₉Cl188.66
2051-76-5Acrylic anhydrideC₆H₆O₃126.11
2051-78-7Allyl butyrateC₇H₁₂O₂128.17
2051-79-8N,N-Diethyltoluene-2,5-diamine hydrochlorideC₁₁H₁₉ClN₂214.74
2051-82-3Acetamide, N-(4-aminophenyl)-N-ethyl-C₁₀H₁₄N₂O178.24
2051-84-5Benzenamine, N-(3-methylbutyl)-C₁₁H₁₇N163.26
2051-85-64-(Phenylazo)resorcinolC₁₂H₁₀N₂O₂214.22
2051-89-0Biphenyl-3-sulfonic acid, 4,4'-diamino-C₁₂H₁₂N₂O₃S264.31
2051-90-3DichlorodiphenylmethaneC₁₃H₁₀Cl₂237.13
2051-95-83-Benzoylpropionic acidC₁₀H₁₀O₃178.19
2051-96-9Benzyl lactateC₁₀H₁₂O₃180.20
2051-97-01H-Pyrrole, 1-(phenylmethyl)-C₁₁H₁₁N157.22
2051-98-15-BromoacenaphtheneC₁₂H₉Br233.11
2051-99-21-Bromo-4-(2-methylpropyl)benzeneC₁₀H₁₃Br213.12
20510-56-9Sodium chloride-37ClClNa59.96
20511-12-02-Pyridinamine, 5-iodo-C₅H₅IN₂220.01
20511-15-33-Amino-4-chloropyridineC₅H₅ClN₂128.56
205110-48-1CethromycinC₄₂H₅₉N₃O₁₀765.95
205111-94-03-Bromo-8-chloroquinolineC₉H₅BrClN242.50
205113-77-55-Methyl-1-phenyl-1H-pyrazole-4-carbonyl chlorideC₁₁H₉ClN₂O220.66
205114-14-33-Bromoquinoline-6-carboxylic acidC₁₀H₆BrNO₂252.07
205114-16-53-Bromo-6-fluoroquinolineC₉H₅BrFN226.05
205114-65-4Cimicifugic acid AC₂₁H₂₀O₁₁448.38
205114-66-5Cimicifugic acid BC₂₁H₂₀O₁₁448.38
205114-67-6Cimicifugic acid CC₂₀H₁₈O₁₀418.35
205119-13-7Tsugarioside AC₃₈H₆₀O₉660.89
20513-16-02,3,6-Trimethoxyamphetamine, DL-C₁₂H₁₉NO₃225.29
20513-25-15,5-Dimethyl-2,4-imidazolidinedithioneC₅H₈N₂S₂160.27
20513-43-34,4'-Methylenebis(2-chlorophenyl isocyanate)C₁₅H₈Cl₂N₂O₂319.15
20513-71-72(1H)-Quinolone, 7-hydroxy-4-methyl-C₁₀H₉NO₂175.19
20513-95-5[(3aR,5R,6S,6aR)-6-Hydroxy-2,2-dimethyl-tetrahydro-2H-furo[2,3-d][1,3]dioxol-5-yl]methyl 4-methylbenzene-1-sulfonateC₁₅H₂₀O₇S344.38
205130-00-33-Butylsulfanyl-5H-[1,2,4]triazino[5,6-b]indoleC₁₃H₁₄N₄S258.35
20514-41-42,5-Dimethyl-2,4-hexadienedioic acidC₈H₁₀O₄170.16
20514-52-73-Cyclohexyl-2-methylpropanalC₁₀H₁₈O154.25
20515-15-5Methyl 4-methyl-2-pentenoateC₇H₁₂O₂128.17
20515-19-9Methyl pent-3-enoateC₆H₁₀O₂114.14
20515-62-22,2-Dimethyl-oxazolidineC₅H₁₁NO101.15
2051588-04-45-Bromoquinoline-6-carbaldehydeC₁₀H₆BrNO236.07
20516-17-0(+)-trans-KhellactoneC₁₄H₁₄O₅262.26
205171-06-8(2R,3R,4R,5R)-2-(6-(Cyclopentylamino)-9H-purin-9-yl)-5-(hydroxymethyl)-3-methyltetrahydrofuran-3,4-diolC₁₆H₂₃N₅O₄349.39
205171-11-5(2R,3R,4R,5R)-2-(6-Amino-2-chloro-9H-purin-9-yl)-5-(hydroxymethyl)-3-methyltetrahydrofuran-3,4-diolC₁₁H₁₄ClN₅O₄315.72
205171-12-62'-Me-CCPAC₁₆H₂₂ClN₅O₄383.84
205173-21-3Bas 01185310C₁₀H₁₇NO₂S215.32
205178-80-92-Bromo-1-(4-chloro-3-methylphenyl)ethanoneC₉H₈BrClO247.52
20518-17-61-p-Tolyl-1H-pyrazoleC₁₀H₁₀N₂158.20
205180-57-0Dicyclohexylamine sulfateC₁₂H₂₅NO₄S279.40
205187-70-83-Fluoro-2-sulfanylphenolC₆H₅FOS144.17
205189-34-03-Amino-2-oxopropyl phosphateC₃H₈NO₅P169.07
205189-93-1Fasudil intermediate impurity 3C₉H₇Cl₂NO₂S264.13
2051918-33-1IzencitinibC₂₂H₂₆N₈402.51
205194-12-3Ethyl (3R)-1-methylpiperidine-3-carboxylateC₉H₁₇NO₂171.24
205195-05-76,7-Dimethoxy-N-(3-(trifluoromethyl)phenyl)quinazolin-4-amineC₁₇H₁₄F₃N₃O₂349.31
2052-01-92-Bromo-2-methylpropanoic acidC₄H₇BrO₂167.00
2052-06-4Benzenamine, 4-bromo-N,N-diethyl-C₁₀H₁₄BrN228.13
2052-07-52-BromobiphenylC₁₂H₉Br233.11
2052-13-31-Butoxy-2-methylbenzeneC₁₁H₁₆O164.25
2052-14-4Butyl salicylateC₁₁H₁₄O₃194.23
2052-15-5Butyl levulinateC₉H₁₆O₃172.22
2052-46-21,4-Benzenediamine, N1,N1-dimethyl-, hydrochloride (1:1)C₈H₁₃ClN₂172.66
2052-49-5Tetrabutylammonium hydroxideC₁₆H₃₇NO259.48
2052-63-313-cis-RetinolC₂₀H₃₀O286.46
20521-19-13,4-Dihydroxymethamphetamine, (R)-C₁₀H₁₅NO₂181.24
2052132-51-9RefChem:144965C₃₀H₃₀ClF₄N₅O₂604.05
2052159-02-92-Cyanobutan-2-yl 4-chloro-3,5-dimethyl-1H-pyrazole-1-carbodithioateC₁₁H₁₄ClN₃S₂287.84
20522-30-92,3,4,5-Tetrahydro-1H-pyrido[4,3-b]indole hydrochlorideC₁₁H₁₃ClN₂208.69
2052213-29-1Iodine I-123I₂245.81
2052241-40-2(2E)-4-(Dimethylamino)-N-(prop-2-yn-1-yl)but-2-enamideC₉H₁₄N₂O166.22
2052277-16-21H-Indole-5-sulfonyl fluorideC₈H₆FNO₂S199.21
2052290-81-83-(2-{[(tert-Butoxy)carbonyl]amino}ethyl)-1H-pyrrole-2-carboxylic acidC₁₂H₁₈N₂O₄254.29
2052306-15-5N-(3-Aminopropyl)-N-methylcyclobutanecarboxamide hydrochlorideC₉H₁₉ClN₂O206.72
2052356-33-72-(Chloromethyl)-5-fluoropyrimidine hydrochlorideC₅H₅Cl₂FN₂183.01
205240-59-12-Chloro-3-iodo-6-(trifluoromethyl)pyridineC₆H₂ClF₃IN307.44
205242-32-64-CyclopropylbutanalC₇H₁₂O112.17
205242-62-2Nas-181C₂₀H₃₀N₂O₇S442.53
205245-17-62-Fluoro-5-iodo-3-methylpyridineC₆H₅FIN237.01
205246-48-63-HydroxycotinineC₁₀H₁₂N₂O₂192.22
205246-65-75-Isothiocyanato-1,3-dimethyl-1H-pyrazoleC₆H₇N₃S153.21
20525-20-64'-BromoflavoneC₁₅H₉BrO₂301.14
20525-74-0DicyclopentylzincC₁₀H₁₈Zn203.64
205252-57-99cUAB30C₂₀H₂₂O₂294.39
205254-94-0PDGF Receptor Tyrosine Kinase Inhibitor IIIC₂₇H₂₇N₅O₄485.54
205255-11-44-(6,7-Dimethoxy-4-quinazolinyl)-N-(4-nitrophenyl)-1-piperazinecarboxamideC₂₁H₂₂N₆O₅438.44
205256-55-9N-(1,3-Benzodioxol-5-ylmethyl)-4-(6,7-dimethoxyquinazolin-4-yl)piperazine-1-carbothioamideC₂₃H₂₅N₅O₄S467.55
2052588-76-6Pyrrolo(1,2-a)pyrazin-1-amineC₇H₇N₃133.15
205259-23-0Methyl 6-nitro-2-oxo-2,3-dihydro-1H-1,3-benzodiazole-5-carboxylateC₉H₇N₃O₅237.17
205259-37-66,7-Difluoroquinazolin-4(3H)-oneC₈H₄F₂N₂O182.13

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.