CAS number index

CAS numbers starting with 21, page 33

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

Showing 3,201 to 3,300 of 8,045 chemicals

CAS numberChemical nameFormulaMol. weight

2138205-25-92-[2-({[(9H-Fluoren-9-yl)methoxy]carbonyl}amino)ethyl]-1,3-thiazole-5-carboxylic acidC₂₁H₁₈N₂O₄S394.45
2138205-82-82-Formylthiophene-3-sulfonyl chlorideC₅H₃ClO₃S₂210.66
2138207-88-03-Methyl-1-{[1,2,4]triazolo[4,3-a]pyridin-3-yl}butan-1-amine dihydrochlorideC₁₁H₁₈Cl₂N₄277.20
2138210-70-32-(Propan-2-yl)imidazo[1,2-a]pyridin-3-amine hydrochlorideC₁₀H₁₄ClN₃211.70
2138212-27-62-(2-Methylpropanamido)-1,3-thiazole-5-carboxylic acidC₈H₁₀N₂O₃S214.25
2138212-77-62-(Piperidin-4-yl)-1H-imidazole-4-carboxamide dihydrochlorideC₉H₁₆Cl₂N₄O267.16
2138213-02-03-Hydroxy-N-methylpropanimidamide hydrochlorideC₄H₁₁ClN₂O138.60
2138213-22-42-(5-Bromo-1-{[(9H-fluoren-9-yl)methoxy]carbonyl}-2,3-dihydro-1H-indol-3-yl)acetic acidC₂₅H₂₀BrNO₄478.34
2138213-54-24-Phenyloxane-4-carboximidamide dihydrochlorideC₁₂H₁₈Cl₂N₂O277.19
2138213-62-2Sodium 2-(4-fluorophenyl)ethane-1-sulfinateC₈H₈FNaO₂S210.21
2138213-64-42-Chloro-N-(pyridazin-3-yl)acetamide hydrochlorideC₆H₇Cl₂N₃O208.05
2138214-32-95-Bromo-3-methoxy-2-methylquinolineC₁₁H₁₀BrNO252.11
2138214-59-0rac-(3R,3aS,7aS)-octahydro-1-benzofuran-3-carboxylic acidC₉H₁₄O₃170.21
2138214-78-3N,N-Dimethylpiperidine-3-carboxamide dihydrochlorideC₈H₁₈Cl₂N₂O229.15
2138214-87-44-Methyl-3,4-dihydro-2H-1-benzopyran-4-amine hydrochlorideC₁₀H₁₄ClNO199.68
2138215-67-3tert-Butyl 2-(4-amino-1H-1,2,3-triazol-1-yl)acetateC₈H₁₄N₄O₂198.23
2138215-77-5N1,4-dimethyl-1H-pyrazolo[3,4-b]pyridine-4,5-diamineC₈H₁₁N₅177.21
2138216-97-22-(1H-Imidazol-1-yl)-1H-purin-6-amineC₈H₇N₇201.19
2138217-50-03-(((tert-Butoxy)carbonyl)amino)-2,4-difluorobenzoic acidC₁₂H₁₃F₂NO₄273.24
2138217-56-6rac-Methyl (1R,2R,4S,5S)-4-aminobicyclo[3.1.0]hexane-2-carboxylate hydrochlorideC₈H₁₄ClNO₂191.66
2138217-83-9(3,3-Dimethylcyclobutyl)methanesulfonyl fluorideC₇H₁₃FO₂S180.24
2138218-08-11,4-Dibromo-6-fluoroisoquinolineC₉H₄Br₂FN304.94
2138218-68-3(3-Oxo-2,8-dioxaspiro(4.5)decan-1-yl)methanesulfonyl chlorideC₉H₁₃ClO₅S268.72
2138219-50-64,4-Difluoro-3,3-dimethylbut-1-yneC₆H₈F₂118.13
2138219-59-51-Ethynyl-5-oxaspiro[2.4]heptaneC₈H₁₀O122.17
2138220-90-1Sodium 1-((benzyloxy)carbonyl)azetidine-3-sulfinateC₁₁H₁₂NNaO₄S277.28
2138222-34-95-(Iodomethyl)-6-oxaspiro[3.4]octan-7-oneC₈H₁₁IO₂266.08
2138222-46-31-Methyl-5-(pyrrolidin-2-yl)-1H-pyrazole dihydrochlorideC₈H₁₅Cl₂N₃224.13
2138222-52-11-(3,5-Dichloro-2-fluorophenyl)ethan-1-amine hydrochlorideC₈H₉Cl₃FN244.52
2138222-92-9tert-Butyl 3-bromo-6-azabicyclo[3.2.1]octane-6-carboxylateC₁₂H₂₀BrNO₂290.20
2138224-21-05-(1,4-Oxazepan-4-yl)pyridine-2-carbaldehydeC₁₁H₁₄N₂O₂206.25
2138226-21-62-{[(9H-Fluoren-9-yl)methoxy]carbonyl}-1,2,3,4-tetrahydroisoquinoline-6-carboxylic acidC₂₅H₂₁NO₄399.45
2138226-81-8Methyl 5-amino-3-tert-butyl-1,2-thiazole-4-carboxylateC₉H₁₄N₂O₂S214.29
2138226-86-33-Phenylpyrrolidin-3-amine dihydrochlorideC₁₀H₁₆Cl₂N₂235.16
2138227-11-71-Acetyl-4,4-dimethyl-1,2,3,4-tetrahydroquinoline-6-sulfonyl chlorideC₁₃H₁₆ClNO₃S301.80
2138227-16-22-(1-(((9H-Fluoren-9-yl)methoxy)carbonyl)piperidin-4-yl)-2-methylpropanoic acidC₂₄H₂₇NO₄393.48
2138228-21-23-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)-3-phenylbutanoic acidC₂₅H₂₃NO₄401.46
2138228-46-1rac-(2R,5R)-1-(((9H-Fluoren-9-yl)methoxy)carbonyl)-5-(4-fluorophenyl)pyrrolidine-2-carboxylic acidC₂₆H₂₂FNO₄431.46
2138228-63-21-(5,5-Difluorooxan-2-yl)methanamine hydrochlorideC₆H₁₂ClF₂NO187.62
2138229-82-88-{[(9H-Fluoren-9-yl)methoxy]carbonyl}-8-azabicyclo[3.2.1]oct-2-ene-3-carboxylicacidC₂₃H₂₁NO₄375.42
2138229-94-23-(tert-Butoxy)-7-oxaspiro(3.5)nonan-1-amine hydrochlorideC₁₂H₂₄ClNO₂249.78
2138230-26-73-({[(tert-Butoxy)carbonyl]amino}methyl)oxetane-3-carboxylic acidC₁₀H₁₇NO₅231.25
2138231-04-4tert-Butyl 3a-(aminomethyl)-octahydro-1H-indole-1-carboxylateC₁₄H₂₆N₂O₂254.37
2138232-17-22-(1,3-Dimethyl-1H-pyrazol-4-yl)oxolane-2-carboxylic acidC₁₀H₁₄N₂O₃210.23
2138232-60-52-(Bromomethyl)morpholin-3-oneC₅H₈BrNO₂194.03
2138232-64-91-(3-Bromopropyl)-4,4-difluoropiperidine hydrobromideC₈H₁₅Br₂F₂N323.02
2138232-95-6Methyl 2-bromo-5-(chlorosulfonyl)furan-3-carboxylateC₆H₄BrClO₅S303.52
2138233-23-3rac-(5R,6S)-5-Amino-6-cyclopropylpiperidin-2-one hydrochlorideC₈H₁₅ClN₂O190.67
2138233-90-46-Fluoropyrazine-2-sulfonyl fluorideC₄H₂F₂N₂O₂S180.13
2138234-03-24Lambda6-thia-5-azaspiro(2.5)octane-4,4-dioneC₆H₁₁NO₂S161.23
2138234-07-6[6-(Trifluoromethyl)pyridin-3-yl]methanesulfonamideC₇H₇F₃N₂O₂S240.21
2138234-70-33,3-Dibromocyclobutane-1-carboxylic acidC₅H₆Br₂O₂257.91
2138235-56-84-(Bromomethyl)-5-isopropyl-3-methylisoxazoleC₈H₁₂BrNO218.09
2138235-97-72-(Aminomethyl)-3,5-dimethyl-1,4-dihydropyridin-4-one dihydrochlorideC₈H₁₄Cl₂N₂O225.12
2138236-02-73-(1,2-Oxazol-3-yl)aniline hydrochlorideC₉H₉ClN₂O196.64
2138236-15-2rac-(1R,2R,4S)-2-(Aminomethyl)-4-(4-methyl-4H-1,2,4-triazol-3-yl)cyclopentan-1-ol dihydrochlorideC₉H₁₈Cl₂N₄O269.18
2138236-20-93-((Furan-3-yl)methyl)azetidine hydrochlorideC₈H₁₂ClNO173.64
2138236-23-21-(3-Bromopropyl)-1-methylcyclopropaneC₇H₁₃Br177.09
2138237-45-1Ethyl 2-(3,6-dihydro-2H-pyran-4-yl)-2-hydroxyacetateC₉H₁₄O₄186.21
2138238-33-03-(((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)methyl)cyclohexane-1-carboxylic acidC₂₃H₂₅NO₄379.46
2138238-70-56-Fluoro-1,3-dihydro-2-benzofuran-1-imineC₈H₆FNO151.14
2138238-83-04-(Fluorosulfonyl)-1-methyl-1H-pyrrole-2-carboxylic acidC₆H₆FNO₄S207.18
2138239-43-52-[(2-Ethynylphenyl)amino]acetic acidC₁₀H₉NO₂175.19
2138240-13-63-Fluoro-5-(fluorosulfonyl)-2-methylbenzoic acidC₈H₆F₂O₄S236.19
2138240-30-7rac-(1R,5S)-3-(((9H-Fluoren-9-yl)methoxy)carbonyl)-3-azabicyclo(3.1.0)hexane-1-carboxylic acidC₂₁H₁₉NO₄349.39
2138241-33-3tert-Butyl 3-(aminomethyl)oxane-3-carboxylateC₁₁H₂₁NO₃215.29
2138241-44-6tert-Butyl N-(3-(bromomethyl)cyclopentyl)carbamateC₁₁H₂₀BrNO₂278.19
2138248-91-42-(2-Fluorophenyl)-4-methyl-1,3-oxazoleC₁₀H₈FNO177.18
2138252-61-44-Methylcyclohexane-1-sulfonyl fluorideC₇H₁₃FO₂S180.24
2138252-72-73-(Fluorosulfonyl)propanoyl chlorideC₃H₄ClFO₃S174.58
2138254-24-57-Bromo-3-chloro-1,2-benzothiazoleC₇H₃BrClNS248.53
2138254-74-52-(Aminomethyl)bicyclo[2.2.2]octan-2-ol hydrochlorideC₉H₁₈ClNO191.70
2138255-48-6(4-(2,2,2-Trifluoroethyl)-1,3-thiazol-2-yl)methanamineC₆H₇F₃N₂S196.20
2138255-51-13',5',6',7'-Tetrahydrospiro(cyclobutane-1,4'-imidazo(4,5-c)pyridine)-7'-olC₉H₁₃N₃O179.22
2138256-54-7rac-Sodium (2R,3S)-3-hydroxypiperidine-2-carboxylateC₆H₁₀NNaO₃167.14
2138257-73-31-({[(9H-Fluoren-9-yl)methoxy]carbonyl}amino)-3-fluorocyclobutane-1-carboxylic acidC₂₀H₁₈FNO₄355.37
2138260-75-82-(7-Bromo-3-methyl-2,4-dioxo-1,2,3,4-tetrahydroquinazolin-1-yl)acetic acidC₁₁H₉BrN₂O₄313.11
2138261-93-3tert-Butyl 6-acetyl-1,4-oxazepane-4-carboxylateC₁₂H₂₁NO₄243.30
2138263-40-6[5-(Trifluoromethyl)oxolan-2-yl]methanolC₆H₉F₃O₂170.13
2138264-43-22-Amino-3-(1H-1,3-benzodiazol-1-yl)-2-methylpropan-1-ol dihydrochlorideC₁₁H₁₇Cl₂N₃O278.18
2138266-52-92-((4-(((tert-Butoxy)carbonyl)amino)cyclohexyl)((((9H-fluoren-9-yl)methoxy)carbonyl))amino)acetic acidC₂₈H₃₄N₂O₆494.59
2138266-64-3rac-(2R,3S)-3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)oxolane-2-carboxylic acidC₂₀H₁₉NO₅353.37
2138266-87-0rac-(3R,4R)-1-{[(9H-fluoren-9-yl)methoxy]carbonyl}-4-(1-methyl-1H-imidazol-5-yl)pyrrolidine-3-carboxylic acidC₂₄H₂₃N₃O₄417.46
2138267-67-91-(1-(((9H-Fluoren-9-yl)methoxy)carbonyl)pyrrolidin-3-yl)-5-methyl-1H-1,2,3-triazole-4-carboxylic acidC₂₃H₂₂N₄O₄418.45
2138268-60-51-(Bromomethyl)-3-(prop-2-en-1-yl)benzeneC₁₀H₁₁Br211.10
2138268-73-02-Methyl-2-(oxolan-2-yl)propan-1-amine hydrochlorideC₈H₁₈ClNO179.69
2138271-33-54,4-Difluoro-2-(iodomethyl)oxolaneC₅H₇F₂IO248.01
2138271-48-24-Amino-2,3,3-trimethyl-1lambda6,2-thiazolidine-1,1-dioneC₆H₁₄N₂O₂S178.26
2138271-67-57-Fluoro-N-methyl-3,4-dihydro-2H-1-benzopyran-4-amine hydrochlorideC₁₀H₁₃ClFNO217.67
2138271-87-9rac-(1R,2S)-2-(1H-Pyrazol-4-yloxy)cyclopentan-1-amine dihydrochlorideC₈H₁₅Cl₂N₃O240.13
2138271-93-72-(3-Aminooxetan-3-yl)ethan-1-ol hydrochlorideC₅H₁₂ClNO₂153.61
2138272-00-95-((Pyrrolidin-3-yl)methyl)-1H-1,2,3,4-tetrazole hydrochlorideC₆H₁₂ClN₅189.65
2138272-13-43-(((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)methyl)oxane-3-carboxylic acidC₂₂H₂₃NO₅381.43
2138272-65-61-(Azetidin-3-yl)-4-ethylpiperazine trihydrochlorideC₉H₂₂Cl₃N₃278.65
2138272-78-1rac-2-[(1R,2R)-2-Benzylcyclopropyl]acetic acidC₁₂H₁₄O₂190.24
2138273-97-7(Thiophen-2-yl)methanesulfonyl fluorideC₅H₅FO₂S₂180.22
2138274-28-75-Methylfuran-2-sulfonyl fluorideC₅H₅FO₃S164.16
2138274-49-27-Bromo-2-cyclopropyl-3,4-dihydro-2H-1-benzopyran-3-carboxylic acidC₁₃H₁₃BrO₃297.15
2138275-86-03-({[(tert-Butoxy)carbonyl]amino}methyl)oxolane-3-carboxylic acidC₁₁H₁₉NO₅245.28
2138276-41-0N-Methyl-1-phenylbutane-2-sulfonamideC₁₁H₁₇NO₂S227.33

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