CAS number index

CAS numbers starting with 21, page 49

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

Showing 4,801 to 4,900 of 8,045 chemicals

CAS numberChemical nameFormulaMol. weight

2159-40-22-(4-Bromobenzoyl)benzoic acidC₁₄H₉BrO₃305.13
2159-42-42-(3,4-Dimethylbenzoyl)benzoic acidC₁₆H₁₄O₃254.28
21590-92-1EtomidolineC₂₃H₂₉N₃O₂379.50
2159091-30-04-((E)-2-(Tetramethyl-1,3,2-dioxaborolan-2-yl)ethenyl)anilineC₁₄H₂₀BNO₂245.13
21591-75-3(1-Methyl-2-oxo-2,3-dihydro-1H-indol-3-yl)acetic acidC₁₁H₁₁NO₃205.21
2159122-19-5tert-Butyl 8-oxo-1,2,3,4,7,8-hexahydro-2,7-naphthyridine-2-carboxylateC₁₃H₁₈N₂O₃250.30
2159123-14-3PF-06939999C₂₂H₂₃F₃N₄O₃448.44
215917-77-4Benzenesulfonamide, N-[2-[[(phenylamino)carbonyl]amino]phenyl]-C₁₉H₁₇N₃O₃S367.43
215917-99-0tert-Butyl (3R)-3-(hydroxymethyl)morpholine-4-carboxylateC₁₀H₁₉NO₄217.26
215918-21-1tert-Butyl (2S)-4,4-difluoro-2-(hydroxymethyl)pyrrolidine-1-carboxylateC₁₀H₁₇F₂NO₃237.25
215918-39-11,1-Dimethylethyl (2S,4S)-2-(hydroxymethyl)-4-methoxy-1-pyrrolidinecarboxylateC₁₁H₂₁NO₄231.29
215922-85-3rac-tert-Butyl (3R,4R)-3-cyano-4-hydroxypyrrolidine-1-carboxylateC₁₀H₁₆N₂O₃212.25
215922-88-6rac-2-((3R,4S)-1-((tert-Butoxy)carbonyl)-4-hydroxypyrrolidin-3-yl)acetic acidC₁₁H₁₉NO₅245.28
215923-54-9CX-546C₁₄H₁₇NO₃247.29
215925-78-35-[[4-(Trifluoromethyl)phenyl]methoxy]quinazoline-2,4-diamineC₁₆H₁₃F₃N₄O334.30
215928-53-35-(Trifluoromethyl)-8-thia-4,6-diazatricyclo(7.4.0.0,2,7)trideca-1(9),2(7),5-trien-3-oneC₁₁H₉F₃N₂OS274.27
215928-54-45-(Thiophen-2-yl)-3H,4H-thieno[2,3-d]pyrimidin-4-oneC₁₀H₆N₂OS₂234.31
215928-65-76-tert-Butyl-3H-thieno[3,2-d]pyrimidin-4-oneC₁₀H₁₂N₂OS208.29
215928-66-86-(4-Chlorophenyl)-3H,4H-thieno(3,2-d)pyrimidin-4-oneC₁₂H₇ClN₂OS262.72
215928-68-06-(4-Fluorophenyl)-3H,4H-thieno[3,2-d]pyrimidin-4-oneC₁₂H₇FN₂OS246.27
215929-99-03-(2,2,2-Trifluoroethoxy)propan-1-olC₅H₉F₃O₂158.12
21593-23-7CephapirinC₁₇H₁₇N₃O₆S₂423.47
21593-77-1(+)-S-AllylcysteineC₆H₁₁NO₂S161.23
215933-01-02-Amino-5-[(2-methylphenyl)methyl]-1,3-thiazol-4-oneC₁₁H₁₂N₂OS220.30
215933-09-82-(Furan-2-ylmethylene-hydrazono)-5-(3-methyl-benzyl)-thiazolidin-4-oneC₁₆H₁₅N₃O₂S313.38
215934-15-97-Hydroxy-beta-carboline-1-propionic acidC₁₄H₁₂N₂O₃256.26
215935-23-2N-DemethylivabradineC₂₆H₃₄N₂O₅454.57
2159353-38-3{Spiro[2.4]heptan-4-yl}methanolC₈H₁₄O126.20
21594-52-56-Bromo-3H-oxazolo(4,5-b)pyridin-2-oneC₆H₃BrN₂O₂215.01
21594-95-62-Bromo-3-methylquinoxalineC₉H₇BrN₂223.07
215940-92-4trans-4-Aminotetrahydropyran-3-olC₅H₁₁NO₂117.15
215949-57-82-(4-Bromo-3-methylphenyl)acetic acidC₉H₉BrO₂229.07
215957-65-63,3-Diethylcyclobutan-1-oneC₈H₁₄O126.20
215958-81-96-Methylnaphthalene-2-sulfonamideC₁₁H₁₁NO₂S221.28
2159608-33-84-[(Pent-4-en-1-yloxy)methyl]anilineC₁₂H₁₇NO191.27
21597-54-6Methyl 3-aminonaphthalene-2-carboxylateC₁₂H₁₁NO₂201.22
2159798-63-51-(4-Ethyl-1H-pyrazol-5-yl)methanamineC₆H₁₁N₃125.17
21598-02-77,8-DihydroxychlorpromazineC₁₇H₁₉ClN₂O₂S350.87
21598-06-15-Hydroxyindole-2-carboxylic acidC₉H₇NO₃177.16
21598-08-31,3-Benzoxazole-2-carboxylic acidC₈H₅NO₃163.13
21598-22-1Octadecanoic acid, 12-hydroxy-, barium salt (2:1)C₃₆H₇₀BaO₆736.28
2159865-66-25-{1-[(tert-Butoxy)carbonyl]azetidin-3-yl}pentanoic acidC₁₃H₂₃NO₄257.33
21599-36-02-Amino-5,6,7,8-tetrahydroquinazolin-5-oneC₈H₉N₃O163.18
21599-37-12-Amino-7,7-dimethyl-7,8-dihydroquinazolin-5(6H)-oneC₁₀H₁₃N₃O191.23
2159909-20-13-Bromo-1-(2,2-dimethylpropyl)-1H-pyrazoleC₈H₁₃BrN₂217.11
2159960-56-04-[2-(1,3-Dioxolan-2-yl)ethyl]-2,2-dimethylthiomorpholineC₁₁H₂₁NO₂S231.36
215997-98-11H-Indole, 3,3'-methylenebis[5-methoxy-C₁₉H₁₈N₂O₂306.37
215999-35-22-(4-Methylsulfanylphenyl)chromen-4-oneC₁₆H₁₂O₂S268.34
216-01-31,2,3,4,6,7-TribenzophenazineC₂₄H₁₄N₂330.39
216-48-8Cyclopenta(hi)chryseneC₂₀H₁₂252.32
2160-24-93,5-Dichloro-4-methylbenzene-1,2-diamineC₇H₈Cl₂N₂191.06
2160-30-7N-(5-Methyl-2,1,3-benzothiadiazol-4-yl)acetamideC₉H₉N₃OS207.26
2160-61-42-Bromo-5-methanesulfonylthiopheneC₅H₅BrO₂S₂241.13
2160-62-55-Bromothiophene-2-carbonitrileC₅H₂BrNS188.05
2160-89-6Hexafluoroisopropyl acrylateC₆H₄F₆O₂222.08
2160-93-2tert-ButyldiethanolamineC₈H₁₉NO₂161.25
2160-94-33-Cyclohexene-1,1-dimethanolC₈H₁₄O₂142.20
21600-51-13,3-Dimethyl-1-(4-carbethoxyphenyl)triazeneC₁₁H₁₅N₃O₂221.26
216008-27-47-Nitro-2,3,4,5-tetrahydro-1,4-benzoxazepine hydrochlorideC₉H₁₁ClN₂O₃230.65
216015-22-4(3aS,4R,6aR)-2,2-Dimethyl-2H,3aH,4H,6aH-cyclopenta[d][1,3]dioxol-4-olC₈H₁₂O₃156.18
216016-27-23-Ethyl-2-sulfanylidene-6-(trifluoromethyl)-1H-pyrimidin-4-oneC₇H₇F₃N₂OS224.21
216018-58-5[2,2':6',2''-Terpyridine]-4,4',4''-tricarboxylic acidC₁₈H₁₁N₃O₆365.30
216019-28-23-Isopropylbenzeneboronic acidC₉H₁₃BO₂164.01
216019-35-1(3-Hydroxy-4-methylphenyl)boronic acidC₇H₉BO₃151.96
21602-66-41-(1-(2-Thienyl)cyclohexyl)morpholineC₁₄H₂₁NOS251.40
2160285-76-53-(Dimethyl-4H-1,2,4-triazol-3-yl)propanenitrileC₇H₁₀N₄150.19
2160322-42-74-(1-Methylcyclopropyl)pyrrolidin-2-oneC₈H₁₃NO139.20
21604-47-7N-(2-Methylbut-3-yn-2-yl)acetamideC₇H₁₁NO125.17
2160443-44-54,4-Difluoro-3-methyl-3-[(2-methylpropan-2-yl)oxycarbonylamino]butanoic acidC₁₀H₁₇F₂NO₄253.25
2160546-07-41-[3-(2,3-Dichlorophenyl)-1H-pyrazolo[3,4-b]pyrazin-6-yl]-4-methylpiperidin-4-amineC₁₇H₁₈Cl₂N₆377.28
2160549-43-74-Aminopiperidine-4-carboxamide dihydrochlorideC₆H₁₅Cl₂N₃O216.11
216059-95-94-(Quinolin-8-yl)benzoic acidC₁₆H₁₁NO₂249.27
21606-04-22-(Methoxycarbonyl)-6-nitrobenzoic acidC₉H₇NO₆225.16
216060-23-04-Pyrazin-2-ylbenzoic acidC₁₁H₈N₂O₂200.20
216063-63-73-IsocyanobenzonitrileC₈H₄N₂128.13
2160632-39-11-(Bromomethyl)-2-methoxycyclopentaneC₇H₁₃BrO193.08
216064-36-7beta-PompilidotoxinC₇₁H₁₂₄N₂₂O₁₇1557.91
216064-45-82-(Trifluoroacetyl)-1,2,3,4-tetrahydroisoquinolin-6-olC₁₁H₁₀F₃NO₂245.20
216064-48-1tert-Butyl 5-hydroxy-3,4-dihydroisoquinoline-2(1H)-carboxylateC₁₄H₁₉NO₃249.31
216066-95-4Pyrazolo[1,5-a]pyrimidin-5-amineC₆H₆N₄134.14
216067-66-2O-(2,4-Dimethoxybenzyl)hydroxylamineC₉H₁₃NO₃183.21
2160713-31-33,3,3-Trifluoro-2,2-dimethylpropyl trifluoromethanesulfonateC₆H₈F₆O₃S274.18
216079-39-91-N,4-N-dipyridin-4-ylbenzene-1,4-dicarboxamideC₁₈H₁₄N₄O₂318.34
216079-42-41-N,4-N-dipyridin-2-ylbenzene-1,4-dicarboxamideC₁₈H₁₄N₄O₂318.34
216082-34-72-(2-Formylphenoxy)-N-methylacetamideC₁₀H₁₁NO₃193.20
2160821-25-8Methyl 4-fluoro-6-methyl-1H-indole-2-carboxylateC₁₁H₁₀FNO₂207.20
2160874-72-41-Cyclopropyl-4-methyl-1H-pyrazoleC₇H₁₀N₂122.17
21609-70-12,3,4,5-Tetrahydro-1-benzothiepin-5-oneC₁₀H₁₀OS178.26
21609-90-5LeptophosC₁₃H₁₀BrCl₂O₂PS412.07
216099-46-66-Amino-1,2-dihydroisoquinolin-1-oneC₉H₈N₂O160.18
2161-22-02-Amino-3-methylquinazolin-4-oneC₉H₉N₃O175.19
2161-40-22-Methoxy-2,4,6-cycloheptatrien-1-oneC₈H₈O₂136.15
2161-68-4N,4-dimethyl-1,3-thiazol-2-amineC₅H₈N₂S128.20
2161-85-54,6-DiacetylresorcinolC₁₀H₁₀O₄194.19
2161-86-62,4-DiacetylphloroglucinolC₁₀H₁₀O₅210.19
2161-87-7TriacetylphloroglucinolC₁₂H₁₂O₆252.22
2161-90-2Cyclohexadiene, 1-methoxy-C₇H₁₀O110.16
2161-96-82-Bromo-3-nitrothiopheneC₄H₂BrNO₂S208.04
21612-26-0H-Beta-Ala-Tyr-OHC₁₂H₁₆N₂O₄252.27
21614-17-52,4-Dichloro-6-(4-ethoxy-1-naphthyl)-s-triazineC₁₅H₁₁Cl₂N₃O320.18

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