CAS number index

CAS numbers starting with 21, page 48

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

Showing 4,701 to 4,800 of 8,045 chemicals

CAS numberChemical nameFormulaMol. weight

2157334-43-3(2,6-Difluorophenyl)methyl 4-methylbenzene-1-sulfonateC₁₄H₁₂F₂O₃S298.31
215734-56-84-Fluoro-5-(morpholin-4-yl)-2-nitroanilineC₁₀H₁₂FN₃O₃241.22
2157370-48-22-(4-Chloropyridin-2-yl)pyrimidineC₉H₆ClN₃191.62
2157462-42-3RefChem:396285C₆₁H₆₂N₂O₁₆1079.16
21575-64-41-Benzyl-3-phenyldihydro-2,4(1H,3H)-pyrimidinedioneC₁₇H₁₆N₂O₂280.33
21575-91-7Benzenepropanoic acid, 3-bromo-3-oxo-, ethyl esterC₁₁H₁₁BrO₃271.11
2157653-98-8tert-Butyl N-[2-(3-aminocyclopentyl)ethyl]carbamateC₁₂H₂₄N₂O₂228.34
21577-57-12-Amino-4,6-dimethoxybenzoic acidC₉H₁₁NO₄197.19
21577-72-0Azonane-2-thioneC₈H₁₅NS157.28
2157726-44-64-(2-Methylcyclopropyl)butan-1-amineC₈H₁₇N127.23
2157758-73-93-(Bromomethylidene)oxetaneC₄H₅BrO148.99
215778-03-3(3-Chloro-1-benzothiophen-2-yl)(3,4-dihydroisoquinolin-2(1H)-yl)methanoneC₁₈H₁₄ClNOS327.84
215778-06-63-Chloro-N-{4-[(pyrimidin-2-yl)sulfamoyl]phenyl}-1-benzothiophene-2-carboxamideC₁₉H₁₃ClN₄O₃S₂444.93
215778-07-73-CL-N-(4-((1,3-Thiazol-2-ylamino)sulfonyl)PH)-1-benzothiophene-2-carboxamideC₁₈H₁₂ClN₃O₃S₃449.97
215778-26-02-Oxopiperidine-3-carbohydrazideC₆H₁₁N₃O₂157.17
215778-27-13-Pyridinecarboxylic acid, 2-(1,3-benzodioxol-5-ylmethylene)hydrazideC₁₄H₁₁N₃O₃269.26
215778-63-56-Bromo-2-methylquinoline-4-carbohydrazideC₁₁H₁₀BrN₃O280.13
215778-71-5N-(4,5-Dihydro-1,3-thiazol-2-yl)thiophene-2-carboxamideC₈H₈N₂OS₂212.30
215778-97-55-Nitro-N-(pyridin-3-ylmethyl)furan-2-carboxamideC₁₁H₉N₃O₄247.21
215779-02-5N-(2-Fluorophenyl)-5-nitrofuran-2-carboxamideC₁₁H₇FN₂O₄250.19
215779-55-81-(2-Chlorophenyl)-3-(furan-2-ylmethyl)thioureaC₁₂H₁₁ClN₂OS266.75
215779-59-21-(Furan-2-ylmethyl)-3-(3-methoxyphenyl)thioureaC₁₃H₁₄N₂O₂S262.33
215779-61-61-(Furan-2-ylmethyl)-3-(3-methylphenyl)thioureaC₁₃H₁₄N₂OS246.34
21578-46-1N-2-Aminophenyl-N'-thioureaC₁₃H₁₃N₃S243.34
21578-56-34-(3-Oxo-2,3-dihydro-thiazolo(3,2-a)benzimidazol-2-ylazo)-benzenesulfonamideC₁₅H₁₁N₅O₃S₂373.42
21578-58-5(1H-Benzoimidazol-2-yl)-phenyl-amineC₁₃H₁₁N₃209.25
21578-59-6N-Ethyl-1H-benzimidazol-2-amineC₉H₁₁N₃161.21
215784-44-44-(4-Piperidin-1-ylsulfonylphenyl)-1,3-thiazol-2-amineC₁₄H₁₇N₃O₂S₂323.44
215788-34-45-(Trifluoromethyl)-1,2,3,4-tetrahydroisoquinoline--hydrogen chloride (1/1)C₁₀H₁₁ClF₃N237.65
215789-23-4N-[2-(1H-Indol-3-yl)ethyl]furan-2-carboxamideC₁₅H₁₄N₂O₂254.29
21579-35-15-Hydroxypyridazine-4-carboxylic acidC₅H₄N₂O₃140.10
21579-36-2Methyl 5-hydroxy-4-pyridazinecarboxylateC₆H₆N₂O₃154.13
21579-70-41-(Hexahydro-1H-azepin-1-yl)-3-(2-methoxycarbonyl)phenylureaC₁₅H₂₁N₃O₃291.35
21579-91-9N1,N1,N4,N4-tetramethylpiperazine-1,4-dicarboxamideC₁₀H₂₀N₄O₂228.30
215790-29-7tert-Butyl trans-4-(2-oxoethyl)cyclohexylcarbamateC₁₃H₂₃NO₃241.33
215791-95-0tert-Butyl 1,1-dioxo-1lambda6-thiomorpholine-4-carboxylateC₉H₁₇NO₄S235.31
215794-24-41,2,3,4-Tetrahydro-isoquinoline-5-carbonitrileC₁₀H₁₀N₂158.20
215797-60-72-(4-Bromo-2-methylphenyl)ethan-1-amine hydrochlorideC₉H₁₃BrClN250.57
215797-69-62-(2,3-Difluorophenyl)ethan-1-amine hydrochlorideC₈H₁₀ClF₂N193.62
215798-19-96-Bromo-1,2,3,4-tetrahydroisoquinoline hydrochlorideC₉H₁₁BrClN248.55
215798-85-91,2,3,4-Tetrahydroisoquinoline-8-carbonitrileC₁₀H₁₀N₂158.20
2157980-58-83-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)-3-methyloctanoic acidC₂₄H₂₉NO₄395.50
2158-01-21-Butyl-3-cyclohexylureaC₁₁H₂₂N₂O198.31
2158-02-3Morpholine-4-carboxamideC₅H₁₀N₂O₂130.15
2158-03-41-PiperidinecarboxamideC₆H₁₂N₂O128.18
2158-04-5PhenethylureaC₉H₁₂N₂O164.21
2158-08-9OctadecylureaC₁₉H₄₀N₂O312.54
2158-09-0Urea, N-dodecyl-C₁₃H₂₈N₂O228.38
2158-11-4HexylureaC₇H₁₆N₂O144.22
2158-14-74-Acetamidobenzenesulfonyl azideC₈H₈N₄O₃S240.24
2158-17-0N-(4-((3,4-Dimethylanilino)sulfonyl)phenyl)acetamideC₁₆H₁₈N₂O₃S318.40
2158-18-1N4-Acetyl-N1-(2,5-xylyl)sulfanilamideC₁₆H₁₈N₂O₃S318.40
2158-31-8Cycloheptanone oximeC₇H₁₃NO127.19
2158-59-04-Isopropyl-2-cyclohexen-1-one, (R)-(-)-C₉H₁₄O138.21
2158-76-12-(Bis(2-hydroxyethyl)amino)-2,5-cyclohexadiene-1,4-dioneC₁₀H₁₃NO₄211.22
21580-64-3Methyl 3-(3-oxo-3,4-dihydroquinoxalin-2-yl)propanoateC₁₂H₁₂N₂O₃232.24
215800-25-22-(4-Bromo-3-methylphenyl)acetonitrileC₉H₈BrN210.07
215801-85-77-Fluoro-1-benzofuran-3-carboxylic acidC₉H₅FO₃180.13
215802-15-6N-[4-[2-(7-Cyano-3,4-dihydro-1H-isoquinolin-2-yl)ethyl]cyclohexyl]-1H-indole-2-carboxamideC₂₇H₃₀N₄O426.56
215803-78-4trans-N-(4-(2-(6-Cyano-1,2,3,4-tetrahydroisoquinolin-2-yl)ethyl)cyclohexyl)-4-quinolinecarboxamideC₂₈H₃₀N₄O438.57
2158030-05-65-Chloro-2-fluoro-1,3-thiazoleC₃HClFNS137.57
215808-67-64-Iodo-2,3-dihydro-1lambda6,2-benzothiazole-1,1,3-trioneC₇H₄INO₃S309.08
21581-33-9Benzene-1,2-diol, 4-(2-ethylaminoethyl)-C₁₀H₁₅NO₂181.24
21581-36-2[2-(3,4-Diethoxyphenyl)ethyl](methyl)amineC₁₃H₂₁NO₂223.32
21581-37-34-(2-(Dimethylamino)ethyl)-1,2-benzenediolC₁₀H₁₅NO₂181.24
21581-45-33,4-DichlorophenethylamineC₈H₉Cl₂N190.07
21581-49-76-NitrodopamineC₈H₁₀N₂O₄198.18
2158197-70-57-(1-(Piperidin-4-yl)-1H-pyrazol-4-yl)-4-(p-tolyloxy)quinolineC₂₄H₂₄N₄O384.48
21582-44-5(2-Aminothiophen-3-yl)(phenyl)methanoneC₁₁H₉NOS203.27
21582-51-42-Methyl-3H,4H-thieno[2,3-d]pyrimidin-4-oneC₇H₆N₂OS166.21
2158223-29-95-Bromo-4-ethynyl-1-methyl-1H-pyrazoleC₆H₅BrN₂185.02
2158266-58-95-[8-[5-Acetyl-1-(oxan-4-yl)-6,7-dihydro-4H-pyrazolo[4,3-c]pyridin-3-yl]isoquinolin-3-yl]-N-methylpyridine-2-carboxamideC₂₉H₃₀N₆O₃510.60
2158267-70-81-Methyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole-3-carbonitrileC₁₁H₁₆BN₃O₂233.08
21583-32-4GeraldoneC₁₆H₁₂O₅284.27
21584-72-56,7-Dimethoxy-4-piperazin-1-yl-quinazolineC₁₄H₁₈N₄O₂274.32
21585-16-02,3-Dihydro-5-(2-hydroxyethyl)-6-methyl-2-thioxo-1H-pyrimidin-4-oneC₇H₁₀N₂O₂S186.24
2158541-78-5tert-Butyl 4-[(3-bromophenyl)(hydroxy)methyl]piperidine-1-carboxylateC₁₇H₂₄BrNO₃370.29
2158550-87-71-Cyclopropyl-3-methyl-1H-pyrazole-4-carbaldehydeC₈H₁₀N₂O150.18
215857-51-5Ammonium tetrakis(4-chlorophenyl)borateC₂₄H₂₀BCl₄N475.06
2158594-17-12-(2-Methylcyclopropyl)oxiraneC₆H₁₀O98.14
21586-90-3(1beta,2alpha,11beta,12alpha,15beta)-13,20-Epoxy-1,2,11,12,14,15-hexahydroxypicras-3-en-16-oneC₂₀H₂₈O₉412.44
215863-85-7Chloro(2,2,6,6-tetramethyl-1-piperidinyl)magnesiumC₉H₁₈ClMgN200.01
215867-87-12-(Chloromethyl)-4-(trifluoromethyl)pyridineC₇H₅ClF₃N195.57
215868-23-86,8-Difluoro-4-methylumbelliferoneC₁₀H₆F₂O₃212.15
215868-31-8Pacific blueC₁₀H₄F₂O₅242.13
215868-33-0Pacific Blue succinimidyl esterC₁₄H₇F₂NO₇339.21
215868-80-7(1-Ethyl-1H-imidazol-4-yl)methanolC₆H₁₀N₂O126.16
215868-81-8(1-Ethyl-1H-1,2,4-triazol-5-yl)methanolC₅H₉N₃O127.15
215869-78-6[6-(Dimethylamino)pyridin-2-yl]methanolC₈H₁₂N₂O152.20
21587-74-62,4,8,10-Tetraoxaspiro[5.5]undecane-3,9-dipropanamineC₁₃H₂₆N₂O₄274.36
215871-11-71-{[2-(Trimethylsilyl)ethoxy]methyl}-1H-1,2,4-triazole-5-carbaldehydeC₉H₁₇N₃O₂Si227.34
215871-44-6(1-Methyl-1H-1,2,4-triazol-3-yl)methanamine hydrochlorideC₄H₉ClN₄148.60
215871-76-4rac-PhycocyanobilinC₃₃H₃₈N₄O₆586.69
2158718-02-44-Iodo-1,2-thiazol-3-amineC₃H₃IN₂S226.04
215872-46-14-Methyl-1,2-oxazole-3-carboxylic acidC₅H₅NO₃127.10
215877-64-83,3,5,7,7-Pentamethyl-1,2,4-trioxepaneC₉H₁₈O₃174.24
21589-41-34-Methoxy-3-methylbutanenitrileC₆H₁₁NO113.16
21589-43-5Adenine,N6-3-methoxypropylC₉H₁₃N₅O207.24
2159-36-62-(3-Methoxybenzoyl)benzoic acidC₁₅H₁₂O₄256.26
2159-37-72-(3-Methylbenzoyl)benzoic acidC₁₅H₁₂O₃240.26

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