CAS number index

CAS numbers starting with 21, page 78

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

Showing 7,701 to 7,800 of 8,045 chemicals

CAS numberChemical nameFormulaMol. weight

219534-98-25-Bromo-2-(trifluoromethyl)-1H-imidazoleC₄H₂BrF₃N₂214.97
2195354-27-75-Fluoro-1-phenyl-4-(tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazoleC₁₅H₁₈BFN₂O₂288.13
2195367-28-1Propan-2-yl 1-aminocyclobutane-1-carboxylate hydrochlorideC₈H₁₆ClNO₂193.67
2195389-89-8Potassium (3-(((tert-butoxy)carbonyl)amino)bicyclo(1.1.1)pentan-1-yl)trifluoroboranuideC₁₀H₁₆BF₃KNO₂289.15
2195389-90-14,4,5,5-Tetramethyl-2-[3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1-bicyclo[1.1.1]pentanyl]-1,3,2-dioxaborolaneC₁₇H₃₀B₂O₄320.05
219539-06-71-[3-(Hydroxymethyl)-4-methoxyphenyl]ethan-1-oneC₁₀H₁₂O₃180.20
219539-12-5((Thiophen-2-yl)methyl)ureaC₆H₈N₂OS156.21
219539-29-41-[2-(4-Chlorophenyl)-6H-1,3-thiazin-5-yl]ethan-1-oneC₁₂H₁₀ClNOS251.74
219539-74-92-(3,4-Dichlorophenyl)quinoxalineC₁₄H₈Cl₂N₂275.14
21954-74-5EthoniumC₃₀H₆₂Cl₂N₂O₄585.74
21954-96-12-[(Carbamoylmethyl)amino]acetamideC₄H₉N₃O₂131.13
219543-09-64-Acetamido-2,2,6,6-tetramethyl-1-oxopiperidinium TetrafluoroborateC₁₁H₂₁BF₄N₂O₂300.11
219547-29-2N-((7S)-3-(b-D-Glucopyranosyloxy)-5,6,7,9-tetrahydro-1,2-dimethoxy-10-(methylthio)-9-oxobenzo(a)heptalen-7-yl)formamideC₂₆H₃₁NO₁₀S549.60
219547-77-0tert-Butyl 3-(trichloromethyl)oxaziridine-2-carboxylateC₇H₁₀Cl₃NO₃262.52
219551-85-63-Benzyl-5,7-dihydroxy-4-methyl-2H-chromen-2-oneC₁₇H₁₄O₄282.30
219552-69-9Parasin IC₈₂H₁₅₄N₃₄O₂₄2000.35
219554-73-1(E)-5-(2-Methylbenzyl)-2-(phenylimino)thiazolidin-4-oneC₁₇H₁₆N₂OS296.39
219554-74-2(E)-5-(3-Methylbenzyl)-2-(phenylimino)thiazolidin-4-oneC₁₇H₁₆N₂OS296.39
219554-75-3(E)-5-(4-Methylbenzyl)-2-(phenylimino)thiazolidin-4-oneC₁₇H₁₆N₂OS296.39
219554-76-45-(4-Bromobenzyl)-2-(phenylimino)-1,3-thiazolidin-4-oneC₁₆H₁₃BrN₂OS361.26
219554-77-5(2E)-5-(3-Nitrobenzyl)-2-(phenylimino)-1,3-thiazolidin-4-oneC₁₆H₁₃N₃O₃S327.37
219554-83-32-((4-Chlorophenyl)imino)-5-(2-nitrobenzyl)-1,3-thiazolidin-4-oneC₁₆H₁₂ClN₃O₃S361.81
219555-98-32-Chloro-5-propylpyrimidineC₇H₉ClN₂156.62
21956-47-8(R)-(-)-LittorineC₁₇H₂₃NO₃289.38
21956-56-93,5-DimethoxystilbeneC₁₆H₁₆O₂240.30
219565-74-93'-Allyl-5-propyl-[1,1'-biphenyl]-2,4'-diolC₁₈H₂₀O₂268.36
219566-62-8LY-339434C₁₈H₁₉NO₄313.35
219568-43-1Ethyl 4-oxo-1,4-dihydrocinnoline-3-carboxylateC₁₁H₁₀N₂O₃218.21
2195750-83-32-(2,4-Dioxo-1,3-diazaspiro(4.7)dodecan-3-yl)ethane-1-sulfonyl fluorideC₁₂H₁₉FN₂O₄S306.36
219580-11-7N-(2-((4-(Diethylamino)butyl)amino)-6-(3,5-dimethoxyphenyl)pyrido(2,3-d)pyrimidin-7-yl)-N'-(1,1-dimethylethyl)ureaC₂₈H₄₁N₇O₃523.68
219580-32-21-Boc-pyrazoleC₈H₁₂N₂O₂168.20
219581-07-43-Fluoro-4-(trifluoromethyl)phenolC₇H₄F₄O180.10
219583-10-54-((5-Amino-1-methyl-1H-indol-3-yl)methyl)-3-methoxy-N-((2-methylphenyl)sulfonyl)benzamideC₂₅H₂₅N₃O₄S463.56
21959-05-7Tetrachlorobis(tetrahydrofuran)hafniumC₈H₁₆Cl₄HfO₂464.52
21959-36-4N-Acetyl-3,5-diiodo-l-tyrosine ethyl esterC₁₃H₁₅I₂NO₄503.07
21959-57-95-Amino-3-(2-(5-nitro-2-furyl)vinyl)-1,2,4-oxadiazoleC₈H₆N₄O₄222.16
219597-02-12,6-Diphenylbenzo[1,2-b:4,5-b']dithiopheneC₂₂H₁₄S₂342.49
2196-13-64-PyridinecarbothioamideC₆H₆N₂S138.19
2196-14-77,4'-DihydroxyflavoneC₁₅H₁₀O₄254.24
2196-18-13-Hydroxy-1-(4-hydroxy-3,5-dimethoxyphenyl)-1-propanoneC₁₀H₁₂O₄196.20
2196-58-9SelenocystathionineC₇H₁₄N₂O₄Se269.16
2196-60-3(R)-CoclaurineC₁₇H₁₉NO₃285.34
2196-62-52'Deoxy-thymidine-5'-diphospho-alpha-D-glucoseC₁₆H₂₆N₂O₁₆P₂564.33
2196-99-82-Chloro-1-(4-methoxyphenyl)ethanoneC₉H₉ClO₂184.62
21961-10-4(Ethenesulfonyl)cyclohexaneC₈H₁₄O₂S174.26
21961-30-83-Amino-5-chlorobenzoic acidC₇H₆ClNO₂171.58
21961-31-9Methyl 3-amino-5-chlorobenzoateC₈H₈ClNO₂185.61
219611-46-84-(2-Bromophenyl)-1,2,3-thiadiazoleC₈H₅BrN₂S241.11
219611-74-22-[(3-Phenyl-1,2,4-oxadiazol-5-yl)methyl]-1H-isoindole-1,3(2H)-dioneC₁₇H₁₁N₃O₃305.29
219611-79-72-{[3-(4-Methoxyphenyl)-1,2,4-oxadiazol-5-yl]methyl}-1H-isoindole-1,3(2H)-dioneC₁₈H₁₃N₃O₄335.32
219612-08-54-Bromo-2-[(3-mercapto-5-phenyl-[1,2,4]triazol-4-ylimino)-methyl]-phenolC₁₅H₁₁BrN₄OS375.25
219612-53-05-Phenyl-4-{[(E)-(3,4,5-trimethoxyphenyl)methylidene]amino}-4H-1,2,4-triazole-3-thiolC₁₈H₁₈N₄O₃S370.43
219612-57-45-(2-Chlorophenyl)-4-(((E)-(3,4,5-trimethoxyphenyl)methylidene)amino)-4H-1,2,4-triazol-3-yl hydrosulfideC₁₈H₁₇ClN₄O₃S404.88
219613-02-2(2S,3R)-N-Hydroxy-5-methyl-3-[[2-methylpropyl(methylsulfonyl)amino]carbamoyl]-2-[(E)-3-phenylprop-2-enyl]hexanamideC₂₂H₃₅N₃O₅S453.61
2196154-29-5(R)-3-Aminopropane-1,2-diol hydrochlorideC₃H₁₀ClNO₂127.57
219617-09-1Methyl (2S)-2-{bis[(tert-butoxy)carbonyl]amino}-4-oxobutanoateC₁₅H₂₅NO₇331.37
219618-30-16,7,8-Trimethoxy-3-phenyl-2-thioxo-1,2,3,4-tetrahydroquinazolin-4-oneC₁₇H₁₆N₂O₄S344.39
2196180-19-32-(2-(Dideuterio(hydroxy)methyl)-5-nitroimidazol-1-yl)ethanolC₆H₉N₃O₄189.17
2196185-65-4RefChem:495075C₁₉H₂₅ClN₂O₂348.87
219619-30-4N-(1,3-Benzothiazol-2-yl)-5-nitrofuran-2-carboxamideC₁₂H₇N₃O₄S289.27
2196192-94-44-(4-Oxo-3H,4H-thieno(2,3-d)pyrimidin-2-yl)benzene-1-sulfonyl fluorideC₁₂H₇FN₂O₃S₂310.33
2196194-33-71-Bromo-2-ethynyl-4-methylbenzeneC₉H₇Br195.06
21962-45-84-Formyl-3-methoxybenzonitrileC₉H₇NO₂161.16
21962-46-93-Formyl-5-methoxybenzonitrileC₉H₇NO₂161.16
21962-49-24-Formyl-2-methoxybenzonitrileC₉H₇NO₂161.16
21962-50-55-Formyl-2-methoxybenzonitrileC₉H₇NO₂161.16
21962-53-85-Cyano-2-methoxybenzaldehydeC₉H₇NO₂161.16
21962-62-9(2-Hydroxymethylcyclohexyl)acetic acid lactoneC₉H₁₄O₂154.21
219620-22-15-Nitro-2-(1H-pyrrol-1-yl)-1,3-thiazoleC₇H₅N₃O₂S195.20
219620-30-13-(2,6-Dimethylmorpholin-4-yl)-3-oxopropanenitrileC₉H₁₄N₂O₂182.22
219620-46-9Ethyl 2-(2-chloroacetamido)-5-ethylthiophene-3-carboxylateC₁₁H₁₄ClNO₃S275.76
2196203-96-83-(Benzylamino)-N-hydroxy-4-methylbenzamideC₁₅H₁₆N₂O₂256.31
2196204-23-4N-(trans-4-Morpholinocyclohexyl)-5-(tetrahydro-2H-pyran-4-yl)-7H-pyrrolo[2,3-d]pyrimidin-4-amineC₂₁H₃₁N₅O₂385.51
219623-03-7Methyl 3-[2-(trimethylsilyl)ethynyl]pyridine-2-carboxylateC₁₂H₁₅NO₂Si233.34
2196243-57-7(R)-3-(4-(Aminomethyl)phenyl)-6-((4-hydroxy-1-(3-phenylbutanoyl)piperidin-4-yl)methyl)-2-methyl-2H-pyrazolo[4,3-d]pyrimidin-7(6H)-oneC₂₉H₃₄N₆O₃514.63
2196245-16-4Lp-PLA2-IN-3C₂₀H₁₃ClF₃N₃O₃S467.86
2196245-77-73-Amino-5,6,7,8-tetrahydronaphthalene-2-carboxamideC₁₁H₁₄N₂O190.25
2196246-47-4(2E)-3-(4-Methyl-1,3-thiazol-5-yl)prop-2-enoic acidC₇H₇NO₂S169.21
2196248-82-3tert-Butyl N-(2-((2-aminopyridin-4-yl)oxy)ethyl)carbamateC₁₂H₁₉N₃O₃253.30
21963-26-82-Nonenoic acid gamma-lactoneC₉H₁₄O₂154.21
21963-41-71,2-Cyclohexanedicarboxylic acid, (1R,2R)-rel-C₈H₁₂O₄172.18
21963-95-1DeoxygeduninC₂₈H₃₄O₆466.57
219631-04-62H,6H,7H-Pyrazolo(3,4-d)pyridazin-7-oneC₅H₄N₄O136.11
219635-89-91-(5-Iodopyridin-2-yl)piperazineC₉H₁₂IN₃289.12
21964-44-31-Nonen-3-olC₉H₁₈O142.24
21964-49-8Tetradeca-1,13-dieneC₁₄H₂₆194.36
219640-94-52-(((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)methyl)benzoic acidC₂₃H₁₉NO₄373.41
219645-89-3N-(Quinolin-6-yl)benzamideC₁₆H₁₂N₂O248.28
219649-95-3GriffipavixanthoneC₃₆H₂₈O₁₂652.61
219654-93-01-(5,6,7,8-Tetrahydro[1]benzothieno[2,3-d]pyrimidin-4-ylsulfanyl)acetoneC₁₃H₁₄N₂OS₂278.40
219655-02-41-Phenyl-2-(5,6,7,8-tetrahydro-benzo[4,5]thieno[2,3-d]pyrimidin-4-ylsulfanyl)-ethanoneC₁₈H₁₆N₂OS₂340.47
219655-56-85'-GuanidinonaltrindoleC₂₇H₂₉N₅O₃471.56
219660-75-02-(Oxolan-3-yl)-1-(pyridin-3-yl)ethan-1-amineC₁₁H₁₆N₂O192.26
219662-56-3Diethyl ({2-[bis(propan-2-yl)amino]ethyl}sulfanyl)phosphonateC₁₂H₂₈NO₃PS297.40
21967-41-9BaicalinC₂₁H₁₈O₁₁446.36
219677-82-4Lisinopril R,S,S-diketopiperazineC₂₁H₂₉N₃O₄387.48
21968-17-2N-IsopropylpropylamineC₆H₁₅N101.19
21968-64-95-Chloro-7-(3,4-dihydro-1H-isoquinolin-2-ylmethyl)quinolin-8-olC₁₉H₁₇ClN₂O324.81
219686-43-87-Bromo-2,3,4,5-tetrahydro-1H-1,5-benzodiazepin-2-oneC₉H₉BrN₂O241.09
219689-28-8N-(Cyclopropylmethyl)thiophene-2-carboxamideC₉H₁₁NOS181.26

All pages for 21 (81 pages)Show all

Every CAS number here is checked for a valid check digit. Confirm it with the supplier before you order. CAS Registry Number is a registered trademark of the American Chemical Society.