CAS number index

CAS numbers starting with 281

233 chemicals have a CAS number that starts with 281. They are listed in CAS order.

Showing 1 to 100 of 233 chemicals

CAS numberChemical nameFormulaMol. weight

281-23-2AdamantaneC₁₀H₁₆136.24
281-27-61-Azatricyclo(3.3.1.13,7)decaneC₉H₁₅N137.23
281-54-9Calix(4)areneC₂₈H₂₄360.50
2810-04-0Ethyl 2-thenoateC₇H₈O₂S156.21
2810-21-1StepharineC₁₈H₁₉NO₃297.35
2810-37-91-(3-Phthalamidopropyl)-1H-benzotriazoleC₁₇H₁₆N₄O₂308.34
2810-69-73,4,5,6-Tetrabromo-o-xyleneC₈H₆Br₄421.75
2810-74-4N,N'-DimethylbenzidineC₁₄H₁₆N₂212.30
28100-77-85-Thyminyl-5,6-dihydrothymineC₁₀H₁₂N₄O₄252.23
28102-96-74-Quinolinethiol, 6-methoxy-2-methyl-C₁₁H₁₁NOS205.28
28103-25-53-Nitroso-2-phenylimidazo(1,2-a)pyrimidineC₁₂H₈N₄O224.22
28105-69-33-(3-Pyridyl)alanineC₈H₁₀N₂O₂166.18
28106-30-1Ethylstyrene (mixed isomers)C₁₀H₁₂132.21
2810887-45-54-Chloranyl-6-[1,5-dimethyl-4-(phenylmethyl)pyrazol-3-yl]pyrimidin-2-amineC₁₆H₁₆ClN₅313.79
28109-92-48-Methylpurine-2,6-dioneC₆H₄N₄O₂164.12
28114-87-6Spiro[3.3]heptane-2-carboxylic acidC₈H₁₂O₂140.18
28114-88-76-Bromospiro[3.3]heptane-2-carboxylic acidC₈H₁₁BrO₂219.08
28114-89-86-Cyanospiro[3.3]heptane-2-carboxylic acidC₉H₁₁NO₂165.19
28115-25-5Tetrahydro-3a,6a-dimethylimidazo(4,5-d)imidazole-2,5(1H,3H)-dioneC₆H₁₀N₄O₂170.17
28115-37-9rac-((2R,5R)-5-Methylpyrrolidin-2-yl)methanolC₆H₁₃NO115.18
28115-68-6(-)-PluviatolideC₂₀H₂₀O₆356.37
28115-85-72-Methylbenzoyl isothiocyanateC₉H₇NOS177.23
28115-86-83-Methylbenzoyl isothiocyanateC₉H₇NOS177.23
28115-92-64-Nitrobenzoyl isothiocyanateC₈H₄N₂O₃S208.20
28116-23-64-HydroxyphenylacetylglycineC₁₀H₁₁NO₄209.20
28116-92-9beta-MethylnorleucineC₇H₁₅NO₂145.20
28117-80-84'-Methyl-alpha-pyrrolidinopropiophenoneC₁₄H₁₉NO217.31
28118-37-84,4-DimethylheptanedinitrileC₉H₁₄N₂150.22
28118-53-81,3-Bis(phenylthio)propaneC₁₅H₁₆S₂260.43
28118-54-92-Methoxy-4,5-dihydro-1H-imidazoleC₄H₈N₂O100.12
28118-79-83-(Triphenylphosphoranylidene)-2,5-pyrrolidinedioneC₂₂H₁₈NO₂P359.37
28119-61-14-Hydroxy-2-ketobutyraldehydeC₄H₆O₃102.09
281191-96-61-((4H-1,2,4-Triazol-4-ylimino)methyl)-2-naphtholC₁₃H₁₀N₄O238.25
281192-91-43-Bromo-1-methyl-7-azaindoleC₈H₇BrN₂211.06
2812-23-92-(Dimethylamino)-4-(methylsulfanyl)butanoic acidC₇H₁₅NO₂S177.27
2812-28-4N-Methyl-L-threonineC₅H₁₁NO₃133.15
2812-31-9N,N-DimethylalanineC₅H₁₁NO₂117.15
2812-32-0N,N-Dimethyl-L-valineC₇H₁₅NO₂145.20
2812-34-2N,N-Dimethyl-L-serineC₅H₁₁NO₃133.15
2812-38-6(2R)-2-(Dimethylamino)pentanedioic acidC₇H₁₃NO₄175.18
2812-42-2N,N-Dimethyl-L-methionineC₇H₁₅NO₂S177.27
2812-46-6L-Proline 1,1-dimethylethyl esterC₉H₁₇NO₂171.24
2812-47-7Pyrrolidine-2-carboxamideC₅H₁₀N₂O114.15
28120-48-12-Chloro-4-(dimethylamino)-benzaldehyde azineC₁₈H₂₀Cl₂N₄363.29
281203-98-36-(Thiophen-3-yl)-1H-indazoleC₁₁H₈N₂S200.27
281204-89-5tert-Butyl 4-iodo-3,6-dihydro-2H-pyridine-1-carboxylateC₁₀H₁₆INO₂309.15
281204-90-84-IodothianeC₅H₉IS228.10
281205-72-92-(4-Fluorobenzyl)-3-(4-methoxyphenyl)-1-oxo-1,2,3,4-tetrahydroisoquinoline-4-carboxylic acidC₂₄H₂₀FNO₄405.43
281205-78-56-(1,3-Benzodioxol-5-ylcarbamoyl)-3,4-dimethylcyclohex-3-ene-1-carboxylic acidC₁₇H₁₉NO₅317.34
281205-84-36-(2-Furylmethyl)-1,3-dimethyl-5,6,7,8-tetrahydropyrimido[4,5-d]pyrimidine-2,4(1H,3H)-dioneC₁₃H₁₆N₄O₃276.30
281205-91-26-(1,3-Benzodioxol-5-ylmethyl)-1,3-dimethyl-5,6,7,8-tetrahydropyrimido[4,5-d]pyrimidine-2,4(1H,3H)-dioneC₁₆H₁₈N₄O₄330.34
281207-48-58-Hydroxy-2-styrylquinoline-7-carboxylic acidC₁₈H₁₃NO₃291.31
281208-98-82-Chloro-6-ethoxyquinoline-3-carbaldehydeC₁₂H₁₀ClNO₂235.67
281209-13-02,6,7-Trichloro-3-(trifluoromethyl)quinoxalineC₉H₂Cl₃F₃N₂301.48
281209-71-0N-(tert-Butyl)-6,7-dichloro-3-(methylsulfonyl)quinoxalin-2-amineC₁₃H₁₅Cl₂N₃O₂S348.25
281211-72-1N'-(2,4-Dihydroxybenzylidene)-4-methylbenzenesulfonohydrazideC₁₄H₁₄N₂O₄S306.34
281212-09-72-(2-Oxolanylmethyl)benzo[de]isoquinoline-1,3-dioneC₁₇H₁₅NO₃281.31
281212-31-51-(4-Methylphenyl)-3-(pyridin-2-ylsulfanyl)pyrrolidine-2,5-dioneC₁₆H₁₄N₂O₂S298.37
281212-32-62-[(E)-(1,3-Benzodioxol-5-ylimino)methyl]-4-bromophenolC₁₄H₁₀BrNO₃320.14
28122-52-34-tert-OctylresorcinolC₁₄H₂₂O₂222.33
28122-76-14-BromophenylthioacetateC₈H₇BrOS231.11
28122-84-1Benzoic acid, p-nitrothio-, S-(p-tolyl) esterC₁₄H₁₁NO₃S273.31
281221-70-31H-Imidazole-2-sulfonyl chlorideC₃H₃ClN₂O₂S166.59
281221-71-46-Methylpyridine-2-sulfonyl chlorideC₆H₆ClNO₂S191.64
281223-43-62-[(4-Chlorophenyl)methyl]-3-(4-methoxyphenyl)-1-oxo-3,4-dihydroisoquinoline-4-carboxylic acidC₂₄H₂₀ClNO₄421.88
281223-56-16-{[2-(Methoxycarbonyl)thiophen-3-yl]carbamoyl}-3,4-dimethylcyclohex-3-ene-1-carboxylic acidC₁₆H₁₉NO₅S337.40
281223-77-6[2-Oxo-2-(pyridin-3-ylamino)ethoxy]acetic acidC₉H₁₀N₂O₄210.19
281224-40-62-[2-[2-(1,3-Dioxobenzo[de]isoquinolin-2-yl)ethylamino]ethyl]benzo[de]isoquinoline-1,3-dioneC₂₈H₂₁N₃O₄463.49
28123-63-94-Chloro-N-hydroxybenzimidoyl chlorideC₇H₅Cl₂NO190.03
28123-73-15-(4-Nitrophenyl)-2-furancarboxylic acidC₁₁H₇NO₅233.18
28123-89-92-[(Prop-2-yn-1-yl)amino]ethan-1-olC₅H₉NO99.13
281232-20-06-(1H-1,2,4-Triazol-1-yl)pyridine-3-carboxylic acidC₈H₆N₄O₂190.16
281232-81-32-(1H-Indol-5-yl)ethan-1-olC₁₀H₁₁NO161.20
281232-89-14-(2-Chloro-4-pyrimidinyl)benzoic acidC₁₁H₇ClN₂O₂234.64
281233-84-94-(3-{[(tert-Butoxy)carbonyl]amino}prop-1-yn-1-yl)benzoic acidC₁₅H₁₇NO₄275.30
281234-49-9Methyl 4'-formyl(1,1'-biphenyl)-3-carboxylateC₁₅H₁₂O₃240.26
281234-85-34-(1-Methylpiperidin-4-yl)benzoic acidC₁₃H₁₇NO₂219.28
281234-90-04-(4-Amino-1-piperidinyl)benzonitrileC₁₂H₁₅N₃201.27
281234-93-34-(4-Hydroxy-1-piperidinyl)benzoic acidC₁₂H₁₅NO₃221.26
28124-82-5N-Methyl-4-phenylcyclohexan-1-amine hydrochlorideC₁₃H₂₀ClN225.76
28125-87-3FlutonidineC₁₀H₁₂FN₃193.22
28127-66-4(2E)-4-Hydroxy-2-methylbut-2-enoic acidC₅H₈O₃116.12
28128-19-02-ThiopurineC₅H₄N₄S152.18
28128-28-18-ChloroadenineC₅H₄ClN₅169.57
28128-30-52-Methoxy-7H-purin-6-amineC₆H₇N₅O165.16
28128-33-81H-Purine-6,8-diamineC₅H₆N₆150.15
28128-40-72-Amino-1,7,8,9-tetrahydro-2-thioxo-6H-purin-6-oneC₅H₅N₅OS183.20
28128-41-88-AminoguanineC₅H₆N₆O166.14
28129-90-05-(3,4-Dihydroxy-1,5-cyclohexadien-1-yl)-5-phenylhydantoinC₁₅H₁₄N₂O₄286.29
2813-69-63-Methyl-2-methylidenebutanenitrileC₆H₉N95.14
2813-95-8Dinoseb acetateC₁₂H₁₄N₂O₆282.25
28130-13-4Valyl-valyl-valineC₁₅H₂₉N₃O₄315.41
28132-01-6Hexahydro-4,7-methanoindan-2,5-dimethanolC₁₂H₂₀O₂196.29
2813233-26-88-Fluoro-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)quinolineC₁₅H₁₇BFNO₂273.12
28134-21-6N-Toluoyl piperidineC₁₃H₁₇NO203.28
28136-94-9alpha-ChlorosantoninC₁₅H₁₇ClO₃280.75
28139-02-83-Methyl-2-sulfanylidene-2,3,6,7-tetrahydro-1H-purin-6-oneC₆H₆N₄OS182.21
2814-20-22-Isopropyl-6-methyl-4-pyrimidinolC₈H₁₂N₂O152.20
2814-23-5DibenzylgermaneC₁₄H₁₆Ge256.89
2814-77-91-((2-Chloro-4-nitrophenyl)azo)-2-naphtholC₁₆H₁₀ClN₃O₃327.73

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