CAS number index

CAS numbers starting with 21

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

Showing 1 to 100 of 8,045 chemicals

CAS numberChemical nameFormulaMol. weight

210-65-1As-indaceneC₁₂H₈152.20
2100-17-64-PentenalC₅H₈O84.12
2100-25-61-Iodo-2,3,5,6-tetramethylbenzeneC₁₀H₁₃I260.12
2100-31-42-Propoxybenzoic acidC₁₀H₁₂O₃180.20
2100-42-72-Chloro-1,4-dimethoxybenzeneC₈H₉ClO₂172.61
21000-95-3Indole, 3-((4-methylpiperidino)methyl)-C₁₅H₂₀N₂228.34
21002-80-2Testosterone-2,2,4,6,6-D5C₁₉H₂₈O₂293.46
2100284-59-92-(6-Bromanyl-1,3-Benzodioxol-5-Yl)-~{n}-(4-Cyanophenyl)-1-[(1~{s})-1-Cyclohexylethyl]benzimidazole-5-CarboxamideC₃₀H₂₇BrN₄O₃571.48
2100285-41-2(S)-(4-Fluoro-2-propylphenyl)(1H-imidazol-2-yl)methanolC₁₃H₁₅FN₂O234.27
2100290-85-32-Methoxy-3-((R)-2-(1-oxopropylamino)-2-(3aS,4S,6S,7aR)-hexahydro-3a,5,5-trimethyl-4,6-methano-1,3,2-benzodioxaborol-2-yl)ethyl)benzoic acidC₂₃H₃₂BNO₆429.32
21003-35-0rac-[(1R,2S)-2-Methylcyclopropyl]methanolC₅H₁₀O86.13
21003-36-1((1S,2S)-2-Methylcyclopropyl)methanolC₅H₁₀O86.13
21003-42-9(1R,2R)-2-tert-Butylcyclopropane-1-carboxylic acidC₈H₁₄O₂142.20
21003-46-3(8beta,11alpha,13E,15S)-11,15-Dihydroxy-9-oxoprost-13-en-1-oic acidC₂₀H₃₄O₅354.49
210036-45-66-Methyl-2-(3-nitrophenyl)pyrimidin-1-ium-1-olateC₁₁H₉N₃O₃231.21
210037-23-34-Iodo-2-methoxybenzyl alcoholC₈H₉IO₂264.06
210037-58-4Methyl 5-bromopyrazine-2-carboxylateC₆H₅BrN₂O₂217.02
210039-65-92-Hydroxy-5-trifluoromethylbenzaldehydeC₈H₅F₃O₂190.12
21004-11-52,5-Dimethoxyterephthalic acidC₁₀H₁₀O₆226.18
21004-21-72-(4-Hydroxy-6-methyl-pyrimidin-2-ylsulfanyl)-1-piperidin-1-yl-ethanoneC₁₂H₁₇N₃O₂S267.35
21004-22-86-Methyl-2-(2-morpholin-4-yl-2-oxoethyl)sulfanyl-1H-pyrimidin-4-oneC₁₁H₁₅N₃O₃S269.33
21004-24-02-[(4-Hydroxy-6-methylpyrimidin-2-yl)sulfanyl]-N-(4-methoxyphenyl)acetamideC₁₄H₁₅N₃O₃S305.36
21004-27-33-Methyl-5,6-dihydrofuro[2,3-d]pyrimidine-2,4(1H,3H)-dioneC₇H₈N₂O₃168.15
21004-32-0RefChem:357237C₁₂H₁₀N₂O₃230.22
210044-39-62-(4-Oxo-2,3,4,5,6,7-hexahydro-1-benzofuran-2-yl)acetonitrileC₁₀H₁₁NO₂177.20
210045-40-2N-(3-Chloropropyl)-N,N-dimethyl-1-dodecanaminium bromideC₁₇H₃₇BrClN370.85
210046-65-4[(1R,2R,3R,4S,5S,7R,8R,9S,10S,14S)-2,8,14-Triacetyloxy-7-hydroxy-1,5,9,12,12-pentamethyl-13-oxo-4-tetracyclo[7.6.0.03,7.010,14]pentadecanyl] benzoateC₃₃H₄₂O₁₀598.69
210046-95-02-Phenyl-1lambda6,2,6-thiadiazinane-1,1-dioneC₉H₁₂N₂O₂S212.27
210049-09-5(R,S)-2-Amino-3-(3-hydroxy-4-methylisoxazol-5-yl)propanoic acid, monohydrateC₇H₁₂N₂O₅204.18
210049-10-82-Amino-6-methyldipyrido[1,2-a:3',2'-d]imidazole hydrochloride monohydrateC₁₁H₁₃ClN₄O252.71
21005-45-81-Methyl-1H-indole-6-carbaldehydeC₁₀H₉NO159.19
21005-60-72-(1H-Indol-5-yl)ethan-1-amineC₁₀H₁₂N₂160.22
210050-28-5Hovetrichoside CC₂₁H₂₂O₁₁450.40
21008-39-9ObtusafuranC₁₆H₁₆O₃256.30
21008-43-5PreechinulinC₁₉H₂₃N₃O₂325.41
21008-67-3(+)-AtherospermolineC₃₆H₃₈N₂O₆594.71
21008-79-7OncinotineC₂₃H₄₅N₃O379.63
2100830-77-9Gdc-0927C₂₈H₂₈FNO₄461.53
21009-58-5Thiomorpholine-3-thioneC₄H₇NS₂133.24
21009-72-3RefChem:854930C₅H₁₁N₃S145.23
210095-58-22-[(S)-(4-Chlorophenyl)(4-piperidinyloxy)methyl]pyridine (2R,3R)-2,3-dihydroxybutanedioateC₂₁H₂₅ClN₂O₇452.89
210097-89-54-(3-Methylthiophen-2-yl)butanoic acidC₉H₁₂O₂S184.26
2101-57-71-(4-Nitrophenyl)-4-phenyl-1H-1,2,3-triazoleC₁₄H₁₀N₄O₂266.26
2101-86-21-Azido-4-methylbenzeneC₇H₇N₃133.15
2101-87-31-Azido-4-methoxybenzeneC₇H₇N₃O149.15
2101-88-41-Azido-4-bromobenzeneC₆H₄BrN₃198.02
2101-89-51-Azido-3-bromobenzeneC₆H₄BrN₃198.02
21010-06-05-(2-Thienyl)valeric acidC₉H₁₂O₂S184.26
210101-16-9ConivaptanC₃₂H₂₆N₄O₂498.59
210107-38-33-(4-Iodophenyl)-3-(trifluoromethyl)-3H-diazirineC₈H₄F₃IN₂312.03
210108-89-7Jatrophane 5C₄₁H₄₉NO₁₄779.84
21011-44-9(4-Chlorophenyl)(morpholino)methanethioneC₁₁H₁₂ClNOS241.74
210110-49-93-(4-Fluorophenyl)-2-methylacrylic acidC₁₀H₉FO₂180.18
210110-90-0(2R,3R,4R,5S)-1-Butyl-2-(hydroxymethyl)piperidine-3,4,5-triol, hydrochlorideC₁₀H₂₂ClNO₄255.74
210113-71-64'-(Bromomethyl)-2-chloro-1,1'-biphenylC₁₃H₁₀BrCl281.58
210113-85-2Methyl 4-(2-aminoethoxy)benzoate hydrochlorideC₁₀H₁₄ClNO₃231.68
210117-20-72-(Bromomethyl)-1,1-dimethylcyclopropaneC₆H₁₁Br163.06
2101197-10-61-Cyclopentyl-4-iodo-1H-pyrazole-3-carbaldehydeC₉H₁₁IN₂O290.10
21012-18-0L-N-Boc-3-Pyrazol-1-yl-alanineC₁₁H₁₇N₃O₄255.27
2101206-23-73-(Bromomethyl)pyrrolidine hydrobromideC₅H₁₁Br₂N244.96
2101206-26-0N-(3-Fluorobenzyl)-5-methoxy-N-methylbenzo[b]thiophene-2-carboxamideC₁₈H₁₆FNO₂S329.40
2101206-27-15H,6H,7H-Pyrazolo[3,2-b][1,3]oxazin-3-amine hydrochlorideC₆H₁₀ClN₃O175.62
2101206-81-7N-[(2-Chlorobiphenyl-4-Yl)methyl]-Beta-Alanyl-N-(3-Carboxyphenyl)-Beta-AlaninamideC₂₆H₂₆ClN₃O₄479.96
2101218-49-7tert-Butyl (3R,5R)-3-amino-5-methoxypiperidine-1-carboxylateC₁₁H₂₂N₂O₃230.31
2101218-75-9tert-Butyl (3R,5S)-3-amino-5-methoxypiperidine-1-carboxylateC₁₁H₂₂N₂O₃230.31
2101285-79-2(2E)-3-(4-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)prop-2-enalC₁₅H₁₉BO₃258.13
21013-92-3N-[(4-Methylphenyl)sulfonyl]histidineC₁₃H₁₅N₃O₄S309.35
2101305-84-2(R)-4-(5-(Pyrrolidin-3-ylmethoxy)-2-(p-tolyl)pyridin-3-yl)benzonitrileC₂₄H₂₃N₃O369.47
2101308-76-14-(Bromomethyl)-1-(difluoromethyl)-2-fluorobenzeneC₈H₆BrF₃239.03
2101315-36-8GboxinC₂₂H₃₃ClN₂O₂392.97
2101317-21-7S-GboxinC₂₇H₃₂F₃IN₂O₂600.46
21014-26-6Ethyl (2E)-3-cyclopropylprop-2-enoateC₈H₁₂O₂140.18
21014-28-82-Butenoic acid, 3-cyclopropyl-, ethyl ester, (2E)-C₉H₁₄O₂154.21
2101468-03-36-[5-(Trifluoromethyl)-1,2,4-oxadiazol-3-yl]-2,3-dihydro-1,3-benzoxazol-2-oneC₁₀H₄F₃N₃O₃271.15
2101478-05-9(Z)-5-((1-(4-Bromophenyl)-2,5-dimethyl-1H-pyrrol-3-yl)methylene)thiazolidine-2,4-dioneC₁₆H₁₃BrN₂O₂S377.26
2101505-88-63-(4-((Bis((1-tert-butyl-1H-1,2,3-triazol-4-yl)methyl)amino)methyl)-1H-1,2,3-triazol-1-yl)propane-1-sulfonic acidC₂₀H₃₄N₁₀O₃S494.63
2101517-69-3BL-918C₂₃H₁₅F₈N₃OS533.44
2101524-34-7Jnj-64264681C₂₇H₃₀N₆O₃S518.64
2101567-95-5rac-(1R,3S,5S)-3-(Difluoromethoxy)-8-azabicyclo[3.2.1]octaneC₈H₁₃F₂NO177.19
210159-05-05-Methyl-1-(4-methylphenyl)-1H-1,2,3-triazole-4-carboxylic acidC₁₁H₁₁N₃O₂217.23
210159-13-01-(2-Methoxyphenyl)-5-methyl-1H-1,2,3-triazole-4-carboxylic acidC₁₁H₁₁N₃O₃233.23
210159-14-15-Methyl-1-(3-methylphenyl)-1H-1,2,3-triazole-4-carboxylic acidC₁₁H₁₁N₃O₂217.23
21016-46-62-Pentenoic acid, 2,4-dimethyl-, ethyl ester, (2E)-C₉H₁₆O₂156.22
2101607-47-84-(5-(Trifluoromethyl)-1,2,4-oxadiazol-3-yl)phenyl 1,3-oxazinane-3-carboxylateC₁₄H₁₂F₃N₃O₄343.26
210161-73-2Ethyl 3-amino-3-(3-methoxyphenyl)propanoate hydrochlorideC₁₂H₁₈ClNO₃259.73
2101629-97-23-(2-Hydroxypropan-2-yl)cyclobutyl 4-methylbenzene-1-sulfonateC₁₄H₂₀O₄S284.38
210163-95-4Methyl 4-amino-1-ethyl-3-methyl-1H-pyrazole-5-carboxylateC₈H₁₃N₃O₂183.21
2101630-92-4Edotreotide gallium Ga-68C₆₅H₈₉GaN₁₄O₁₈S₂1486.57
2101657-19-43-Bromo-5-fluoro-6-methylpyridin-2-amineC₆H₆BrFN₂205.03
210169-05-45-Fluoro-3-pyridinamineC₅H₅FN₂112.11
210169-13-42,6-Dibromo-3,5-difluoropyridineC₅HBr₂F₂N272.87
210169-40-74,4'-Bi-1,3-benzodioxole-5,5'-diylbis{bis[4-methoxy-3,5-bis(2-methyl-2-propanyl)phenyl]phosphine}C₇₄H₁₀₀O₈P₂1179.55
210169-54-34,4'-Bi-1,3-benzodioxole-5,5'-diylbis(diphenylphosphine)C₃₈H₂₈O₄P₂610.59
2101697-47-42-(Bromomethyl)-1-ethyl-3-fluorobenzeneC₉H₁₀BrF217.08
21017-47-03-(Phenylamino)propanamideC₉H₁₂N₂O164.21
21017-50-51H-Indole-1-propionamideC₁₁H₁₂N₂O188.23
21017-52-72-(4-Chlorophenyl)-N-[4-(dimethylamino)phenyl]acetamideC₁₆H₁₇ClN₂O288.78
2101700-15-4PirtobrutinibC₂₂H₂₁F₄N₅O₃479.43
210172-12-65-(Prop-2-yn-1-yl)bicyclo[4.1.0]heptan-2-oneC₁₀H₁₂O148.21
210174-73-5(2S,3R,4S,5R)-2-Methylpiperidine-3,4,5-triol hydrochlorideC₆H₁₄ClNO₃183.63

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.