CAS number index

CAS numbers starting with 21, page 55

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

Showing 5,401 to 5,500 of 8,045 chemicals

CAS numberChemical nameFormulaMol. weight

2167365-56-04-(Difluoromethyl)cyclohexane-1-sulfonyl chlorideC₇H₁₁ClF₂O₂S232.68
2167365-96-83-(1,1,2-Trifluoroethyl)anilineC₈H₈F₃N175.15
2167367-61-31-Methyl-3-(oxan-4-yl)-1H-pyrazole-4-sulfonyl chlorideC₉H₁₃ClN₂O₃S264.73
2167368-32-14-(3-Bromopropyl)-3,5-dimethyl-1H-pyrazoleC₈H₁₃BrN₂217.11
2167368-78-5tert-Butyl 2-(1-aminoethyl)-4-methyl-1,3-thiazole-5-carboxylateC₁₁H₁₈N₂O₂S242.34
2167374-58-31-[(tert-Butoxy)carbonyl]-2-methylpiperazine-2-carboxylic acidC₁₁H₂₀N₂O₄244.29
2167375-71-3tert-Butyl 3,3-dimethyl-5-oxo-1,4-diazepane-1-carboxylateC₁₂H₂₂N₂O₃242.32
2167379-94-22-(Bromomethyl)-5-methyloxaneC₇H₁₃BrO193.08
2167381-80-62,2,2-Trifluoroethyl N-ethenylcarbamateC₅H₆F₃NO₂169.10
2167397-77-33-(3-{[(tert-Butoxy)carbonyl]amino}oxolan-3-yl)propanoic acidC₁₂H₂₁NO₅259.30
21674-38-42,4,6-Tris(pentadecafluoroheptyl)-1,3,5-triazineC₂₄F₄₅N₃1185.19
21674-96-4N-(4-(2-Amino-1,3-thiazol-4-yl)phenyl)acetamideC₁₁H₁₁N₃OS233.30
2167400-97-53-(Difluoromethyl)cyclobutane-1-sulfonyl chlorideC₅H₇ClF₂O₂S204.63
2167406-00-83-Iodo-1H-indazole-7-carboxylic acidC₈H₅IN₂O₂288.04
2167417-04-95-(Chloromethyl)-3-(difluoromethyl)-1,2-oxazoleC₅H₄ClF₂NO167.54
2167422-73-1tert-Butyl 3-bromo-5H,6H,7H,8H-imidazo(1,2-a)pyrimidine-8-carboxylateC₁₁H₁₆BrN₃O₂302.17
2167430-14-8Rac-(1r,3r)-1-(((tert-butoxy)carbonyl)amino)-3-fluorocyclobutane-1-carboxylic acidC₁₀H₁₆FNO₄233.24
2167441-51-01-(Bromomethyl)-4-(trifluoromethoxy)cyclohexaneC₈H₁₂BrF₃O261.08
2167444-63-35-Chloro-4-(6-azaspiro(3.4)octan-6-yl)pyridin-2-amineC₁₂H₁₆ClN₃237.73
2167447-01-86-Methyl-4,5,6,7-tetrahydro-1H-indazol-5-amine,MixtureofdiastereomersC₈H₁₃N₃151.21
2167447-92-74-Chloro-2-methyl-5-(trifluoromethyl)pyridineC₇H₅ClF₃N195.57
2167449-36-54-Bromo-5-(methoxymethyl)-3-methyl-1,2-oxazoleC₆H₈BrNO₂206.04
2167453-53-2tert-Butyl 6-hydroxy-3-azabicyclo[4.1.0]heptane-3-carboxylateC₁₁H₁₉NO₃213.28
2167461-21-2tert-Butyl N-[5-(chlorosulfonyl)pentyl]carbamateC₁₀H₂₀ClNO₄S285.79
2167470-97-34-Chloro-3,3-difluorobutanoic acidC₄H₅ClF₂O₂158.53
2167475-12-73-Bromo-2-(1-bromoethyl)pyridineC₇H₇Br₂N264.95
2167476-06-2tert-Butyl 7-hydroxy-5-azaspiro[2.5]octane-5-carboxylateC₁₂H₂₁NO₃227.30
2167478-26-23,4-Diamino-5-methoxybenzoic acidC₈H₁₀N₂O₃182.18
2167484-81-1[8-(Aminomethyl)-1,4-dioxaspiro[4.5]decan-8-yl]methanolC₁₀H₁₉NO₃201.27
2167498-88-4Methyl 1-cyanoazetidine-3-carboxylateC₆H₈N₂O₂140.14
21675-38-7Melibionic acidC₁₂H₂₂O₁₂358.30
2167503-22-0tert-Butyl N-(4-methylideneoxolan-3-yl)carbamateC₁₀H₁₇NO₃199.25
2167509-36-41-tert-Butyl 3-methyl 3-(methylamino)azetidine-1,3-dicarboxylateC₁₁H₂₀N₂O₄244.29
2167537-28-03-(2,5-Dichlorophenyl)-1,2,4-oxadiazol-5-amineC₈H₅Cl₂N₃O230.05
2167540-69-2Methyl 1-[2-(chlorosulfonyl)ethyl]cyclobutane-1-carboxylateC₈H₁₃ClO₄S240.71
2167546-48-5tert-Butyl N-[4-(fluorosulfonyl)butyl]carbamateC₉H₁₈FNO₄S255.31
216755-56-5(3-Bromo-5-fluorophenyl)methanolC₇H₆BrFO205.03
216755-57-61-Bromo-3-(bromomethyl)-5-fluorobenzeneC₇H₅Br₂F267.92
216757-29-8Ac-IEPD-PNAC₂₈H₃₈N₆O₁₁634.64
2167571-29-92-(Iodomethyl)-2-phenyl-1,4-dioxaneC₁₁H₁₃IO₂304.13
2167573-70-63-(1,1,3,3,3-Pentafluoropropyl)anilineC₉H₈F₅N225.16
2167576-27-21-(Bromomethyl)-3-methylcyclobutane-1-carbonitrileC₇H₁₀BrN188.07
216758-20-2AMP-DeoxynojirimycinC₂₂H₃₉NO₅397.56
2167584-36-12-(3-(Difluoromethyl)-4,5,6,7-tetrahydro-1H-indazol-1-yl)acetic acidC₁₀H₁₂F₂N₂O₂230.21
21676-01-73-Hexene, 1-chloro-, (3Z)-C₆H₁₁Cl118.61
21676-88-04-Phenylthiophene-2-carboxylic acidC₁₁H₈O₂S204.25
21676-90-4Methyl 4-phenylthiophene-2-carboxylateC₁₂H₁₀O₂S218.28
2167610-42-45-{[(tert-Butoxy)carbonyl]amino}-2,2-dimethylpentanoicacidC₁₂H₂₃NO₄245.32
2167618-39-3tert-Butyl 6,6,8-trioxo-6lambda6-thia-2-azaspiro(3.4)octane-2-carboxylateC₁₁H₁₇NO₅S275.33
2167622-42-45-Methyl-1H-imidazole-4-sulfonyl chlorideC₄H₅ClN₂O₂S180.62
2167622-99-1Ethyl 9-oxo-3-oxabicyclo[3.3.1]nonane-7-carboxylateC₁₁H₁₆O₄212.25
2167645-72-75-Methyl-6-(trifluoromethyl)pyridine-3-sulfonamideC₇H₇F₃N₂O₂S240.21
2167657-56-74,5-Dichlorothiophene-2-carbonitrileC₅HCl₂NS178.04
216766-12-05-Hydroxy-2-(trifluoromethyl)pyridineC₆H₄F₃NO163.10
216766-13-15-Methoxy-2-(trifluoromethyl)pyridineC₇H₆F₃NO177.13
2167669-98-7Methyl 7-fluoro-1,2,3,4-tetrahydroquinoline-6-carboxylateC₁₁H₁₂FNO₂209.22
2167670-48-44-(((tert-Butoxy)carbonyl)amino)-2-fluorobutanoic acidC₉H₁₆FNO₄221.23
2167672-37-74-Amino-4-methylpiperidin-2-oneC₆H₁₂N₂O128.18
2167676-04-04-({[(tert-Butoxy)carbonyl]amino}methyl)-1-methyl-1H-1,2,3-triazole-5-carboxylic acidC₁₀H₁₆N₄O₄256.26
2167677-73-6tert-Butyl 3-amino-3-(pyridin-2-yl)azetidine-1-carboxylateC₁₃H₁₉N₃O₂249.31
2167680-23-95-Fluoro-4-formyl-1-benzothiophene-2-carboxylic acidC₁₀H₅FO₃S224.21
2167695-92-1tert-Butyl 3-(5-amino-4H-1,2,4-triazol-3-yl)pyrrolidine-1-carboxylateC₁₁H₁₉N₅O₂253.31
2167699-28-5tert-Butyl 1-ethynyl-7-azabicyclo[2.2.1]heptane-7-carboxylateC₁₃H₁₉NO₂221.30
2167702-17-02-[4-(2-Methylpropyl)phenyl]but-3-yn-2-olC₁₄H₁₈O202.30
2167707-72-25-Bromo-6-chloro-4-methylpyridine-3-sulfonamideC₆H₆BrClN₂O₂S285.55
216774-38-81-[4-(4-Morpholinyl)phenyl]-1H-pyrrole-2,5-dioneC₁₄H₁₄N₂O₃258.28
216774-55-92-[(1H-Benzotriazol-6-ylimino)methyl]-4,6-dichlorophenolC₁₃H₈Cl₂N₄O307.14
2167748-73-22-{3-[(tert-Butyldimethylsilyl)oxy]oxetan-3-yl}acetaldehydeC₁₁H₂₂O₃Si230.38
2167771-25-5Methyl 3-[(chlorosulfonyl)methyl]thiophene-2-carboxylateC₇H₇ClO₄S₂254.72
2167773-14-84-Methyl-2-oxabicyclo(2.1.1)hexane-1-carbaldehydeC₇H₁₀O₂126.16
2167788-07-85-(Pyrimidin-2-yl)pyrimidin-2-amineC₈H₇N₅173.18
21678-37-5N,N,2-trimethylpropanamideC₆H₁₃NO115.18
2167801-44-54-[(tert-Butoxy)carbonyl]-1,4-thiazepane-6-carboxylic acidC₁₁H₁₉NO₄S261.34
2167808-49-1tert-Butyl N-(4-(chlorosulfonyl)butyl)carbamateC₉H₁₈ClNO₄S271.77
2167815-01-02-Oxospiro(3.5)nonane-7-carboxylic acidC₁₀H₁₄O₃182.22
2167817-13-02-(5,8-Dioxaspiro(3.5)nonan-6-yl)acetic acidC₉H₁₄O₄186.21
2167821-77-2Methyl 3-amino-1-{[(tert-butoxy)carbonyl]amino}cyclobutane-1-carboxylateC₁₁H₂₀N₂O₄244.29
2167826-04-02-(Trifluoromethyl)pyridine-4-sulfonyl fluorideC₆H₃F₄NO₂S229.15
2167826-05-13-(1-Methylcyclobutyl)-1,2-oxazol-5-amineC₈H₁₂N₂O152.20
2167832-71-38-(2-Cyano-2-methylacetyl)cubane-1-carbonitrileC₁₃H₁₀N₂O210.24
2167847-95-07-Fluoro-1-benzofuran-4-sulfonyl chlorideC₈H₄ClFO₃S234.63
2167867-29-82-{[(tert-Butoxy)carbonyl]amino}-2-(1-methoxycyclobutyl)acetic acidC₁₂H₂₁NO₅259.30
2167874-38-4Methyl 8-ethynylcubane-1-carboxylateC₁₂H₁₀O₂186.21
2167875-94-56-Oxabicyclo(3.2.2)nonane-4-sulfonyl chlorideC₈H₁₃ClO₃S224.71
2167876-65-3Ethyl 4-amino-4-(trifluoromethyl)cyclohexane-1-carboxylateC₁₀H₁₆F₃NO₂239.24
2167891-87-2tert-Butyl 2-(2-methyl-1-oxopropan-2-yl)pyrrolidine-1-carboxylateC₁₃H₂₃NO₃241.33
2167896-45-7(3,3-Dimethyloxolan-2-yl)methanamineC₇H₁₅NO129.20
21679-12-92'-Deoxy-2-fluoroadenosineC₁₀H₁₂FN₅O₃269.24
21679-14-1FludarabineC₁₀H₁₂FN₅O₄285.24
21679-31-2Chromium(III) acetylacetonateC₁₅H₂₁CrO₆349.32
21679-46-9Tris(Acetylacetonato)cobaltC₁₅H₂₁CoO₆356.26
2167904-23-4(2-Methyl-1,4-dioxan-2-yl)methanesulfonyl chlorideC₆H₁₁ClO₄S214.67
2167907-85-74-(Bromomethyl)-2-ethyl-1-methylbenzeneC₁₀H₁₃Br213.12
2167913-82-6tert-Butyl N-[1-(aminomethyl)bicyclo[2.2.1]heptan-2-yl]carbamateC₁₃H₂₄N₂O₂240.35
2167917-85-14-Ethynyl-3-(trifluoromethyl)-1H-pyrazoleC₆H₃F₃N₂160.10
2167925-34-85-Ethyl-1-(2-hydroxyethyl)-1H-pyrazole-3-carboxylic acidC₈H₁₂N₂O₃184.19
2167934-38-35-Bromo-2-fluoro-1-methyl-3-(trifluoromethyl)benzeneC₈H₅BrF₄257.02
2167935-61-56-Bromo-1,3-dihydro-2lambda6,1-benzothiazole-2,2-dioneC₇H₆BrNO₂S248.10
2167937-99-5tert-Butyl 2-(iodomethyl)-5,5-dimethylmorpholine-4-carboxylateC₁₂H₂₂INO₃355.22
2167952-49-85,8-Dioxaspiro[3.5]nonane-2-carboxylic acidC₈H₁₂O₄172.18

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