CAS number index

CAS numbers starting with 21, page 61

8,045 chemicals have a CAS number that starts with 21. They are listed in CAS order.

Showing 6,001 to 6,100 of 8,045 chemicals

CAS numberChemical nameFormulaMol. weight

21718-02-55-(4-Fluorophenyl)-1,3-oxazol-2-amineC₉H₇FN₂O178.17
2171800-34-13-(Bromomethyl)-2-methanesulfonylthiopheneC₆H₇BrO₂S₂255.16
2171801-87-72,4-Difluoro-6-iodoaniline hydrochlorideC₆H₅ClF₂IN291.47
2171802-24-52-((2,4-Difluorophenyl)methyl)pyrrolidine hydrochlorideC₁₁H₁₄ClF₂N233.69
2171803-16-81-Cyclopropyl-N-methylpiperidin-4-amine hydrochlorideC₉H₁₉ClN₂190.72
2171803-45-3Methyl 5-formyl-6-methylimidazo(2,1-b)(1,3)thiazole-2-carboxylateC₉H₈N₂O₃S224.24
2171803-77-13,3,3-Trifluoro-1-phenylpropane-1-sulfonyl fluorideC₉H₈F₄O₂S256.22
2171804-09-2(4-Bromo-3-chlorophenyl)methanesulfonyl fluorideC₇H₅BrClFO₂S287.54
2171804-23-05H,6H,7H,8H-[1,2,4]Triazolo[1,5-a]pyridine-6-carboxylic acid hydrochlorideC₇H₁₀ClN₃O₂203.63
2171804-56-9(5-{3-[(Dimethylamino)methyl]furan-2-yl}-1H-1,2,4-triazol-3-yl)methanamine dihydrochlorideC₁₀H₁₇Cl₂N₅O294.19
2171804-70-74-Aminopyridine-2-sulfonamide hydrochlorideC₅H₈ClN₃O₂S209.66
2171805-20-0tert-Butyl N-{3-sulfanylspiro[3.3]heptan-1-yl}carbamateC₁₂H₂₁NO₂S243.37
2171815-05-5N-(2-Aminoethyl)prop-2-ynamide, trifluoroacetic acidC₇H₉F₃N₂O₃226.15
2171815-27-1Azetidin-3-yl N-ethylcarbamate hydrochlorideC₆H₁₃ClN₂O₂180.63
2171815-34-04-Aminofuro[3,2-c]pyridine-2-carbonitrile hydrochlorideC₈H₆ClN₃O195.61
2171815-45-33,3,5,5-Tetramethylmorpholine hydrochlorideC₈H₁₈ClNO179.69
2171822-71-07-(Benzyloxy)-1H-indole-3-sulfonyl chlorideC₁₅H₁₂ClNO₃S321.79
2171828-18-34-(Benzyloxy)-3-{[(tert-butoxy)carbonyl]amino}-3-methylbutanoic acidC₁₇H₂₅NO₅323.39
2171829-65-31-(4-Methylsulfonylphenyl)ethanesulfonyl fluorideC₉H₁₁FO₄S₂266.31
2171834-95-82-Ethyl-3,3-difluorobutan-1-olC₆H₁₂F₂O138.16
2171837-44-63-(Difluoromethyl)-5-fluoroaniline hydrochlorideC₇H₇ClF₃N197.59
2171844-58-7tert-Butyl 3-(1-aminocyclopropyl)-3-hydroxyazetidine-1-carboxylateC₁₁H₂₀N₂O₃228.29
2171846-49-21-[(tert-Butoxy)carbonyl]-3-(1-hydroxycyclobutyl)azetidine-3-carboxylic acidC₁₃H₂₁NO₅271.31
2171854-01-42-(4-Bromo-3-fluorophenyl)-2-methyloxetaneC₁₀H₁₀BrFO245.09
2171856-86-13,3-Difluorocyclobutane-1-sulfonamideC₄H₇F₂NO₂S171.17
217186-16-84-(Trifluoromethoxy)benzenesulphonylacetonitrileC₉H₆F₃NO₃S265.21
2171866-36-5Pyrazolo(1,5-a)pyridine-3-sulfonamideC₇H₇N₃O₂S197.22
2171866-46-75-[(tert-Butoxy)carbonyl]-2-fluorobenzoic acidC₁₂H₁₃FO₄240.23
2171866-51-43-Methyl-3H,6H,7H,8H,9H-imidazo[4,5-f]quinoline dihydrochlorideC₁₁H₁₅Cl₂N₃260.17
2171866-52-54-(((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)methyl)-5-methylfuran-2-carboxylic acidC₂₂H₁₉NO₅377.40
2171866-59-23-(2,2,3,3-Tetrafluorocyclobutyl)benzoic acidC₁₁H₈F₄O₂248.18
2171867-89-14-Amino-2,6-difluorobenzene-1-sulfonyl fluorideC₆H₄F₃NO₂S211.16
217187-61-62-[(5-Bromopentyl)sulfanyl]phenyl acetateC₁₃H₁₇BrO₂S317.25
2171878-15-05-(2-Amino-1,3-thiazol-4-yl)-3-methyl-2,3-dihydro-1H-indol-2-one hydrochlorideC₁₂H₁₂ClN₃OS281.77
2171879-79-9[2-(Methoxymethyl)oxan-2-yl]methanesulfonyl chlorideC₈H₁₅ClO₄S242.72
2171880-09-22-Amino-N-hydroxy-N-(propan-2-yl)acetamide hydrochlorideC₅H₁₃ClN₂O₂168.62
2171882-32-7Ethyl 2-methyl-2-sulfamoylpropanoateC₆H₁₃NO₄S195.24
2171887-43-54-Methoxybutane-1,2-diamine dihydrochlorideC₅H₁₆Cl₂N₂O191.10
2171888-21-23,5-Dibromo-4-cyclopropyl-4H-1,2,4-triazoleC₅H₅Br₂N₃266.92
2171888-29-02-(2-(1-(((9H-Fluoren-9-yl)methoxy)carbonyl)piperidin-4-yl)-1,3-thiazol-4-yl)acetic acidC₂₅H₂₄N₂O₄S448.54
217189-04-3(4-(Pyridin-3-yl)phenyl)methanolC₁₂H₁₁NO185.23
2171895-90-0tert-Butyl 2-(fluorosulfonyl)acetateC₆H₁₁FO₄S198.22
2171898-13-63-(5-(Aminomethyl)-1,2,4-oxadiazol-3-yl)phenol hydrochlorideC₉H₁₀ClN₃O₂227.65
2171898-35-23-(Aminomethyl)-4-methoxy-1,2-dihydropyridin-2-one hydrochlorideC₇H₁₁ClN₂O₂190.63
2171899-10-63-(Difluoromethyl)-4,5-difluoroaniline hydrochlorideC₇H₆ClF₄N215.58
21719-28-82-Aziridin-1-yl-1-(4-nitro-phenyl)-ethanolC₁₀H₁₂N₂O₃208.22
21719-35-71-(Butanoylamino)-3-phenylureaC₁₁H₁₅N₃O₂221.26
21719-46-01-(4-(Dimethylamino)benzoyl)-4-phenylsemicarbazideC₁₆H₁₈N₄O₂298.35
21719-62-03,4-Dichlorobenzaldehyde phenylhydrazoneC₁₃H₁₀Cl₂N₂265.14
21719-63-12,4-Dichlorobenzaldehyde phenylhydrazoneC₁₃H₁₀Cl₂N₂265.14
21719-91-5N-(4-Bromo-phenyl)-benzamidineC₁₃H₁₁BrN₂275.15
2171900-64-2(4,4-Diethoxy-3-oxobut-1-yn-1-yl)trimethylsilaneC₁₁H₂₀O₃Si228.36
2171901-23-6Lithium(1+) ion 5-methylpyridine-2-sulfinateC₆H₆LiNO₂S163.13
2171901-34-9Methyl 1-(piperidin-3-yl)bicyclo(2.1.1)hexane-5-carboxylate hydrochlorideC₁₃H₂₂ClNO₂259.78
2171901-41-8Lithium(1+) 6-(tert-butoxy)pyridine-2-sulfinateC₉H₁₂LiNO₃S221.21
2171904-64-44,7-Dimethyl-1H,2H,3H,4H-pyrido(2,3-b)pyrazine dihydrochlorideC₉H₁₅Cl₂N₃236.15
2171905-98-7tert-Butyl N-[1-(chlorosulfonyl)-4-phenylbutan-2-yl]carbamateC₁₅H₂₂ClNO₄S347.86
2171909-89-83-((((9H-Fluoren-9-yl)methoxy)carbonyl)(propyl)amino)propanoic acidC₂₁H₂₃NO₄353.42
2171912-47-12-Bromo-5H,6H,8H-imidazo[2,1-c][1,4]oxazine-3-carbonitrile hydrochlorideC₇H₇BrClN₃O264.51
2171912-88-0tert-Butyl 4-[amino(phenyl)methyl]-4-hydroxypiperidine-1-carboxylateC₁₇H₂₆N₂O₃306.41
2171914-13-75-Bromo-1,3-dioxaindane-4-sulfonylchlorideC₇H₄BrClO₄S299.53
2171915-45-8{1-[(4-Bromophenyl)sulfanyl]cyclopropyl}methanamine hydrochlorideC₁₀H₁₃BrClNS294.64
2171915-58-32-(2-(Piperazin-1-yl)ethoxy)benzonitrile dihydrochlorideC₁₃H₁₉Cl₂N₃O304.22
2171915-64-12-(2,2-Dimethyl-3,4-dihydro-2H-1,4-benzoxazin-4-yl)ethan-1-amine hydrochlorideC₁₂H₁₉ClN₂O242.75
2171915-88-91-Amino-3,3-dimethylcyclobutane-1-carboxylic acid hydrochlorideC₇H₁₄ClNO₂179.65
2171916-13-34-[(tert-Butyldimethylsilyl)oxy]piperidin-1-amineC₁₁H₂₆N₂OSi230.43
2171916-63-3(3-Chloro-4,5-dimethoxyphenyl)methanamine hydrochlorideC₉H₁₃Cl₂NO₂238.11
2171917-63-62-Chloro-5-fluoro-4-hydroxybenzonitrileC₇H₃ClFNO171.56
217192-22-8(4-(Pyridin-4-yl)phenyl)methanolC₁₂H₁₁NO185.23
2171921-40-54-(Methoxycarbonyl)-3-(trifluoromethyl)benzoic acidC₁₀H₇F₃O₄248.16
2171925-06-5(2-Methylcyclopropyl)methanesulfonyl fluorideC₅H₉FO₂S152.19
2171929-20-5tert-Butyl 8-amino-1,2,3,4-tetrahydro-2,7-naphthyridine-2-carboxylateC₁₃H₁₉N₃O₂249.31
2171943-00-11-(1,3-Thiazol-4-yl)ethane-1,2-diol hydrochlorideC₅H₈ClNO₂S181.64
2171943-40-93-[Amino(phenyl)methyl]oxetan-3-olC₁₀H₁₃NO₂179.22
2171944-13-9(1-Phenylpropan-2-yl)hydrazine dihydrochlorideC₉H₁₆Cl₂N₂223.15
2171947-54-71,3-Dicyclopropyl-1H-pyrazole-5-carboxylic acidC₁₀H₁₂N₂O₂192.22
217195-70-54-Methyl-2-oxo-4-phenylpentanoic acidC₁₂H₁₄O₃206.24
217195-73-84,4-Dimethyl-2-oxohex-5-enoic acidC₈H₁₂O₃156.18
217195-91-0Ethyl 2-hydroxy-4-methyl-2-(trifluoromethyl)pent-4-enoateC₉H₁₃F₃O₃226.19
217196-94-66-Amino-4-methyl-1H-2,3-benzoxazin-1-oneC₉H₈N₂O₂176.18
2171960-09-9tert-Butyl 3'-hydroxy-3-(hydroxymethyl)-[3,3'-biazetidine]-1-carboxylateC₁₂H₂₂N₂O₄258.32
2171961-53-61-(3-Bromophenyl)ethane-1-sulfonyl fluorideC₈H₈BrFO₂S267.12
2171965-43-6tert-Butyl 2-(aminomethyl)-1,4-dioxa-9-azaspiro[5.5]undecane-9-carboxylateC₁₄H₂₆N₂O₄286.37
2171972-13-51-Aminopiperidin-4-ol hydrochlorideC₅H₁₃ClN₂O152.63
2171973-33-22-{[(9H-Fluoren-9-yl)methoxy]carbonyl}-2-azaspiro[4.4]nonane-4-carboxylic acidC₂₄H₂₅NO₄391.47
2171979-10-3Methyl 1-amino-3-((benzyloxy)methyl)cyclobutane-1-carboxylate hydrochlorideC₁₄H₂₀ClNO₃285.77
2171979-17-0(2-Chlorocyclohexyl)methanamine hydrochlorideC₇H₁₅Cl₂N184.11
2171979-84-11-(3,5-Dimethylphenyl)ethane-1-sulfonyl fluorideC₁₀H₁₃FO₂S216.28
2171986-20-01-(Oxolan-2-yl)cyclopropane-1-carbaldehydeC₈H₁₂O₂140.18
2171986-75-5Ethyl 2,2-difluoro-2-(3-hydroxyazetidin-3-yl)acetate hydrochlorideC₇H₁₂ClF₂NO₃231.63
2171988-01-3[3-(4-Pyridinyl)cyclobutyl]amine dihydrochlorideC₉H₁₄Cl₂N₂221.13
2171988-09-12,3-Dimethyl-2,3-dihydro-1-benzofuran-5-carbaldehydeC₁₁H₁₂O₂176.22
2171988-38-65,5-Difluoro-2-(iodomethyl)oxaneC₆H₉F₂IO262.04
2171988-69-36-(3-Aminopiperidin-1-yl)-3-methyl-1,2,3,4-tetrahydropyrimidine-2,4-dione hydrochlorideC₁₀H₁₇ClN₄O₂260.73
2171989-93-6Octahydro-1-benzofuran-3a-amine hydrochlorideC₈H₁₆ClNO177.68
2171990-07-94-(Bromomethyl)-4-(1,1-difluoroethyl)oxaneC₈H₁₃BrF₂O243.09
2171990-11-52-(3-Aminopropyl)-6-hydroxy-3,4-dihydropyrimidin-4-one hydrochlorideC₇H₁₂ClN₃O₂205.65
2171990-19-33-(Difluoromethyl)-1-(propan-2-yl)-1H-pyrazole-5-carboxylic acidC₈H₁₀F₂N₂O₂204.18
2171990-56-87-(Benzyloxy)-2,3,4,5-tetrahydro-1,4-benzoxazepine hydrochlorideC₁₆H₁₈ClNO₂291.78
2171992-17-7Benzyl N-[2-(chlorosulfonyl)-1-cyclopentylethyl]carbamateC₁₅H₂₀ClNO₄S345.85

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