CAS number index

CAS numbers starting with 20, page 20

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

Showing 1,901 to 2,000 of 7,121 chemicals

CAS numberChemical nameFormulaMol. weight

2031259-31-9[5-(Aminomethyl)-4H-1,2,4-triazol-3-yl]methanol hydrochlorideC₄H₉ClN₄O164.60
2031259-32-0Lithium(1+) ion 1,3-dimethyl-2-oxopyrrolidine-3-carboxylateC₇H₁₀LiNO₃163.10
2031259-43-35-Methyl-3,4-dihydro-2H-1-benzopyran-3-amine hydrochlorideC₁₀H₁₄ClNO199.68
2031259-59-1(1R,4R)-2-Azabicyclo[2.2.1]heptane-4-carboxylic acid hydrochlorideC₇H₁₂ClNO₂177.63
2031259-82-0(1R,4R)-2-tert-Butoxycarbonyl-2-azabicyclo[2.2.1]heptane-4-carboxylic acidC₁₂H₁₉NO₄241.29
2031259-83-1(1S,4S)-2-tert-Butoxycarbonyl-2-azabicyclo[2.2.1]heptane-4-carboxylic acidC₁₂H₁₉NO₄241.29
2031259-85-3(1S,4S)-2-Azabicyclo[2.2.1]heptane-4-carboxylic acid hydrochlorideC₇H₁₂ClNO₂177.63
2031259-90-01,1-Dimethyl (3S)-3-aminocyclopentane-1,1-dicarboxylate hydrochlorideC₉H₁₆ClNO₄237.68
203126-21-0p-Tolylsulfur pentafluorideC₇H₇F₅S218.19
2031260-40-71-(4H-1,2,4-Triazol-3-yl)ethan-1-ol hydrochlorideC₄H₈ClN₃O149.58
2031260-42-9Methyl 4-(aminomethyl)pyridine-2-carboxylate dihydrochlorideC₈H₁₂Cl₂N₂O₂239.10
2031260-43-02-Fluoro-5-methoxypyridin-3-amine hydrochlorideC₆H₈ClFN₂O178.59
2031260-44-1Potassium (5-oxo-5,6,7,8-tetrahydroquinazolin-2-yl)sulfanideC₈H₇KN₂OS218.32
2031260-46-3(3-(3-(Trifluoromethyl)-3H-diazirin-3-yl)phenyl)methanamine hydrochlorideC₉H₉ClF₃N₃251.64
2031260-56-53-(Phenylsulfanyl)benzene-1-sulfonyl chlorideC₁₂H₉ClO₂S₂284.79
2031260-58-71-(3,4-Dihydro-2H-1-benzopyran-6-yl)ethan-1-amine hydrochlorideC₁₁H₁₆ClNO213.71
2031260-60-12-Amino-2-(3-(trifluoromethyl)phenyl)propan-1-ol hydrochlorideC₁₀H₁₃ClF₃NO255.67
2031260-62-32,4-Difluoro-6-(2-methylphenoxy)aniline hydrochlorideC₁₃H₁₂ClF₂NO271.69
2031260-64-5(5,5-Dimethylpiperidin-2-yl)methanolC₈H₁₇NO143.23
2031260-70-32-(4-Bromo-2-chlorophenyl)-2,2-difluoroethan-1-amine hydrochlorideC₈H₈BrCl₂F₂N306.96
2031260-78-13-(Bromomethyl)-2-chloro-1-benzofuranC₉H₆BrClO245.50
2031260-80-5Decahydroquinoline-3-carboxylic acid hydrochlorideC₁₀H₁₈ClNO₂219.71
2031260-81-65-Bromo-4-chloro-2-cyclopropylpyridine hydrochlorideC₈H₈BrCl₂N268.97
2031260-84-92-[(1H-1,2,3-Triazol-1-yl)methyl]morpholine dihydrochlorideC₇H₁₄Cl₂N₄O241.12
2031260-91-81-Phenyl-2-azabicyclo[2.1.1]hexane hydrochlorideC₁₁H₁₄ClN195.69
2031260-92-9tert-Butyl N-(2-azabicyclo(2.2.2)octan-6-yl)carbamateC₁₂H₂₂N₂O₂226.32
2031260-93-0tert-Butyl N-{2-azabicyclo[2.2.2]octan-6-yl}carbamate hydrochlorideC₁₂H₂₃ClN₂O₂262.78
2031260-95-22-(2,3-Dihydro-1H-inden-1-yl)ethane-1-sulfonamideC₁₁H₁₅NO₂S225.31
2031260-98-5tert-Butyl N-((2-(aminomethyl)-6-hydroxypyrimidin-4-yl)methyl)carbamateC₁₁H₁₈N₄O₃254.29
2031261-01-3Lithium(1+) ion 3-(5-cyclopropyl-1,3,4-oxadiazol-2-yl)propanoateC₈H₉LiN₂O₃188.11
2031261-08-0Lithium 4-methyl-3-oxomorpholine-2-carboxylateC₆H₈LiNO₄165.07
2031261-09-13-Bromo-4,5-dicyclopropyl-4H-1,2,4-triazoleC₈H₁₀BrN₃228.09
2031261-10-46-Methyl-2,3,4,5-tetrahydro-1,4-benzoxazepine hydrochlorideC₁₀H₁₄ClNO199.68
2031261-11-5(2-Bromo-1-methylcyclopropyl)methanamine hydrochlorideC₅H₁₁BrClN200.51
2031261-15-94-[(Azetidin-3-yl)methyl]-1-methyl-1H-pyrazole dihydrochlorideC₈H₁₅Cl₂N₃224.13
2031261-17-13-Hydrazinyl-1lambda6-thiane-1,1-dione dihydrochlorideC₅H₁₄Cl₂N₂O₂S237.15
2031261-19-32-(Methylsulfanyl)pyridin-4-amine hydrochlorideC₆H₉ClN₂S176.67
2031261-23-93-(Azetidin-1-yl)pyrrolidine dihydrochlorideC₇H₁₆Cl₂N₂199.13
2031268-67-2tert-Butyl 2-(methoxymethyl)pyrrolidine-2-carboxylateC₁₁H₂₁NO₃215.29
2031268-69-42-(3-{[(tert-Butoxy)carbonyl]amino}-1H-pyrazol-1-yl)-2-methylpropanoic acidC₁₂H₁₉N₃O₄269.30
2031268-70-78-Hydrazinylisoquinoline trihydrochlorideC₉H₁₂Cl₃N₃268.57
2031268-71-8Methyl 3-bromo-4H,5H,6H-thieno[2,3-c]pyrrole-2-carboxylate hydrochlorideC₈H₉BrClNO₂S298.59
2031268-73-02-Methyl-2-(4-methyl-1H-imidazol-1-yl)propanoic acid hydrochlorideC₈H₁₃ClN₂O₂204.66
2031268-74-1tert-Butyl N-((4-(trifluoromethyl)piperidin-3-yl)methyl)carbamateC₁₂H₂₁F₃N₂O₂282.31
2031268-75-2(3-Methoxyphenyl)(1-methyl-1H-imidazol-2-yl)methanamine dihydrochlorideC₁₂H₁₇Cl₂N₃O290.19
2031268-76-3Methyl 5-(fluorosulfonyl)-1,2-oxazole-3-carboxylateC₅H₄FNO₅S209.15
2031268-81-02-(1-Aminopropyl)-1H-imidazole-4-carboxylic acid dihydrochlorideC₇H₁₃Cl₂N₃O₂242.11
2031268-82-11-(Pyridin-2-yl)-5-(trifluoromethyl)-1H-pyrazole-4-carboxylic acid hydrochlorideC₁₀H₇ClF₃N₃O₂293.63
2031268-83-26,6-Dimethylazepan-4-one hydrochlorideC₈H₁₆ClNO177.68
2031268-86-5(4-Bromo-3-methoxy-1,2-thiazol-5-yl)methanamine hydrochlorideC₅H₈BrClN₂OS259.56
2031268-87-64-Chloro-3-methylquinolin-5-amineC₁₀H₉ClN₂192.65
2031268-88-72-Fluoro-1-(4-methoxyphenyl)ethan-1-amine hydrochlorideC₉H₁₃ClFNO205.66
2031268-91-2tert-Butyl 3-amino-2-cyclobutylpropanoateC₁₁H₂₁NO₂199.29
2031268-92-33-Hydrazinyl-4,5-dimethyl-4H-1,2,4-triazole hydrochlorideC₄H₁₀ClN₅163.61
2031268-93-43,3-Difluoro-2,2-dimethylbutyl methanesulfonateC₇H₁₄F₂O₃S216.25
2031268-94-5(1-Amino-3,3-dimethylcyclohexyl)methanol hydrochlorideC₉H₂₀ClNO193.72
2031268-95-6tert-Butyl 1-(prop-2-yn-1-yl)piperidine-4-carboxylateC₁₃H₂₁NO₂223.32
2031269-02-88-Nitro-2,3,4,5-tetrahydro-1H-1-benzazepine hydrochlorideC₁₀H₁₃ClN₂O₂228.68
2031269-04-0Methyl 3-[1-(3-methoxy-3-oxopropyl)cyclopropyl]propanoateC₁₁H₁₈O₄214.26
2031269-05-1Lithium 2-bromo-1-methyl-1H-imidazole-5-carboxylateC₅H₄BrLiN₂O₂210.94
2031269-13-1(6-Chloro-(1,2,4)triazolo(4,3-a)pyridin-3-yl)methanamine dihydrochlorideC₇H₉Cl₃N₄255.54
2031269-14-2tert-Butyl 5-(bromomethyl)-1,2,3,4-tetrahydroisoquinoline-2-carboxylateC₁₅H₂₀BrNO₂326.23
2031269-20-03-((4-Bromophenyl)methyl)azetidine trifluoroacetateC₁₂H₁₃BrF₃NO₂340.14
2031269-22-21-(Prop-2-yn-1-yl)piperazin-2-one hydrochlorideC₇H₁₁ClN₂O174.63
2031269-25-53-(1H-Imidazol-2-yl)oxolan-3-amine dihydrochlorideC₇H₁₃Cl₂N₃O226.11
2031269-26-62-(4-Methanesulfonylphenyl)morpholine hydrochlorideC₁₁H₁₆ClNO₃S277.77
2031269-27-7Methyl 2-(piperidin-4-yl)-1,3-thiazole-5-carboxylate hydrochlorideC₁₀H₁₅ClN₂O₂S262.76
2031269-30-25-Fluoropyridine-3-carboximidamide hydrochlorideC₆H₇ClFN₃175.59
2031269-31-3Methyl octahydro-1H-cyclopenta[b]pyridine-4-carboxylate hydrochlorideC₁₀H₁₈ClNO₂219.71
2031269-32-43-(Prop-2-en-1-yl)pyrrolidine hydrochlorideC₇H₁₄ClN147.65
2031269-37-9Methyl 2-amino-5H,6H,8H-imidazo[2,1-c][1,4]oxazine-3-carboxylateC₈H₁₁N₃O₃197.19
2031269-38-0Methyl 1-ethoxycyclobutane-1-carboxylateC₈H₁₄O₃158.20
2031269-40-4N-[(Oxolan-2-yl)methyl]pyridazin-4-amineC₉H₁₃N₃O179.22
2031269-41-52-(Trifluoromethyl)-4H,5H,6H,7H-pyrazolo(1,5-a)pyrazine hydrochlorideC₇H₉ClF₃N₃227.62
2031269-42-6Methyl 2,2-dimethyl-2,5-dihydrofuran-3-carboxylateC₈H₁₂O₃156.18
2031269-44-84-(Aminomethyl)-1,2,3,4-tetrahydroisoquinolin-1-one hydrochlorideC₁₀H₁₃ClN₂O212.68
2031269-45-92,2,2-Trifluoroethyl N-[(2,2,2-trifluoroethoxy)carbonyl]carbamateC₆H₅F₆NO₄269.10
2031269-46-02-Methyl-2-(1H-pyrazol-1-yl)propan-1-amine dihydrochlorideC₇H₁₅Cl₂N₃212.12
2031269-50-64-(Dimethylamino)butane-1-sulfonyl chloride hydrochlorideC₆H₁₅Cl₂NO₂S236.16
2031269-53-9(8-Chloro-(1,2,4)triazolo(4,3-a)pyridin-3-yl)methanamine dihydrochlorideC₇H₉Cl₃N₄255.54
2031269-55-14-Fluoro-1H-1,3-benzodiazole-5-carboxylic acid hydrochlorideC₈H₆ClFN₂O₂216.60
2031269-60-84-Cyclopropyl-1-(pyrrolidin-3-yl)-1H-1,2,3-triazole dihydrochlorideC₉H₁₆Cl₂N₄251.16
2031285-14-8(2E)-3-(5-Carbamoylfuran-2-yl)prop-2-enoic acidC₈H₇NO₄181.15
20314-31-2Lysyl-alanyl-beta-naphthylamideC₁₉H₂₆N₄O₂342.44
20314-74-3Dipentyl fumarateC₁₄H₂₄O₄256.34
20315-25-7Procyanidin B1C₃₀H₂₆O₁₂578.53
20315-68-8PinolineC₁₂H₁₄N₂O202.26
20316-18-1LycodineC₁₆H₂₂N₂242.37
20316-62-5TilirosideC₃₀H₂₆O₁₃594.52
20316-84-1Argyrophilic acidC₂₀H₃₀O₂302.46
2031670-78-51-(3-Phenyl-1,2,4-oxadiazol-5-yl)propan-2-amine hydrochlorideC₁₁H₁₄ClN₃O239.71
20317-25-35-Amino-1-phenyl-1H-1,2,3-triazole-4-carboxamideC₉H₉N₅O203.21
20317-40-2Methyl Isoquinoline-4-carboxylateC₁₁H₉NO₂187.20
20318-30-3(3beta,22beta,25S)-Spirosol-5-en-3-yl O-6-deoxy-alpha-L-mannopyranosyl-(1->2)-O-(beta-D-glucopyranosyl-(1->3))-beta-D-galactopyranosideC₄₅H₇₃NO₁₆884.07
203186-44-11-(2-Methylbenzoyl)piperidin-4-oneC₁₃H₁₅NO₂217.27
203186-96-3tert-Butyl 4-amino-4-(hydroxymethyl)piperidine-1-carboxylateC₁₁H₂₂N₂O₃230.31
20319-27-12-(1-Hydroxyethyl)thiamine pyrophosphateC₁₄H₂₃ClN₄O₈P₂S504.83
20319-44-2Dimethyl-5-methoxyisophthalateC₁₁H₁₂O₅224.21
203191-10-0RecoflavoneC₂₀H₁₈O₈386.36
203193-66-2N-(Diethylcarbamothioyl)-4-fluorobenzamideC₁₂H₁₅FN₂OS254.33

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