CAS number index

CAS numbers starting with 2, page 13

55,552 chemicals have a CAS number that starts with 2. They are listed in CAS order.

Showing 1,201 to 1,300 of 5,000 chemicals

CAS numberChemical nameFormulaMol. weight

20205-43-06,7-Dimethyl-2,3-dihydro-1H-indole-2,3-dioneC₁₀H₉NO₂175.19
20205-91-8Boron phosphideBP41.79
202057-76-9ManitimusC₁₅H₁₁F₃N₂O₂308.26
20206-64-8Benzenesulfonic acid, 2,2'-(1,2-ethenediyl)bis[5-[[4-[bis(2-hydroxyethyl)amino]-6-(phenylamino)-1,3,5-triazin-2-yl]amino]-, compd. with 2-aminoethanol (1:2)C₄₄H₅₈N₁₄O₁₂S₂1039.17
202062-80-44-(1,3-Dioxolan-2-yl)piperidineC₈H₁₅NO₂157.21
202063-67-05-(2-Methoxybenzylidene)-2-thioxodihydropyrimidine-4,6(1H,5H)-dioneC₁₂H₁₀N₂O₃S262.29
202063-69-25-[(4-Hydroxyphenyl)methylidene]-2-sulfanylidene-1,3-diazinane-4,6-dioneC₁₁H₈N₂O₃S248.26
202063-70-55-(3,4-Dihydroxybenzylidene)-2-thioxodihydro-4,6(1H,5H)-pyrimidinedioneC₁₁H₈N₂O₄S264.26
202065-25-6(1,2,4)Triazolo(1,5-a)pyrimidine-2-carboxylic acidC₆H₄N₄O₂164.12
202065-29-01-Methyl-2-(phenoxymethyl)-1H-benzo[d]imidazoleC₁₅H₁₄N₂O238.29
202065-36-91-(4-Anilino-2-methyl-3,4-dihydro-2H-quinolin-1-yl)pentan-1-oneC₂₁H₂₆N₂O322.45
202065-43-82-(4-Methyl-2,5-dioxo-3-phenylimidazolidin-1-yl)ethanesulfonyl fluorideC₁₂H₁₃FN₂O₄S300.31
202068-63-15-[(E)-[(E)-(3-Hydroxy-4-methoxyphenyl)methylidenehydrazinylidene]methyl]-2-methoxyphenolC₁₆H₁₆N₂O₄300.31
202068-65-33-Ethoxy-4-hydroxybenzaldehyde (3-ethoxy-4-hydroxybenzylidene)hydrazoneC₁₈H₂₀N₂O₄328.37
20207-13-04-((2-Aminoethoxy)ethyl)morpholineC₈H₁₈N₂O₂174.24
20207-16-3Ethyl 2-amino-3-oxobutanoate hydrochlorideC₆H₁₂ClNO₃181.62
202073-14-1N-(3-Methoxybenzylidene)-4-fluoroanilineC₁₄H₁₂FNO229.25
20208-39-33-(Triethoxysilyl)propyl prop-2-enoateC₁₂H₂₄O₅Si276.40
20208-57-5Benzimidazol-1-yl-(4-tert-butylphenyl)methanoneC₁₈H₁₈N₂O278.36
20208-73-5ButyrylglycineC₆H₁₁NO₃145.16
20208-81-51-Phenyl-1H-pyrazolo[3,4-b]pyridineC₁₂H₉N₃195.22
20209-56-72-(3-Chlorophenoxy)-N-(3-nitrophenyl)acetamideC₁₄H₁₁ClN₂O₄306.70
2021-26-35-Phenyl-1H-isoindole-1,3(2H)-dioneC₁₄H₉NO₂223.23
2021-28-5Ethyl 3-phenylpropionateC₁₁H₁₄O₂178.23
2021-40-1Vanilglycolic acidC₉H₈O₅196.16
2021-58-12-ThienylalanineC₇H₉NO₂S171.22
2021-64-91-(2,4-Difluorophenyl)propan-2-amineC₉H₁₁F₂N171.19
20211-76-1Lanthanum chloride, monohydrateH₂Cl₃LaO263.28
202113-31-31,2-Dithiane-4,5-diol, 1,1-dioxideC₄H₈O₄S₂184.24
202114-57-6(1,2-~13~C_2_)Octanoic acidC₈H₁₆O₂146.20
2021178-50-52-Butylhexane-1-thiolC₁₀H₂₂S174.35
202118-14-75-Bromo-N-(pyridin-2-yl)furan-2-carboxamideC₁₀H₇BrN₂O₂267.08
202118-63-6Dimethyl 3,5-diphenylthiomorpholine-2,6-dicarboxylate 1,1-dioxideC₂₀H₂₁NO₆S403.46
202118-70-51-Hydroxy-2-oxo-1,2-dihydropyridine-3-carboxylic acidC₆H₅NO₄155.11
202119-00-41-(4-Ethoxyphenyl)pyrimidine-2,4,6(1H,3H,5H)-trioneC₁₂H₁₂N₂O₄248.24
202120-08-9[D-Asp3,E-dhb7]-microcystin-RRC₄₈H₇₃N₁₃O₁₂1024.19
2021233-94-1(E)-4-(4-Bromophenyl)-2-((E)-(furan-2-ylmethylene)hydrazono)-2,3-dihydrothiazoleC₁₄H₁₀BrN₃OS348.23
202124-67-2(5-Cyano-1H-indol-1-yl)acetic acidC₁₁H₈N₂O₂200.20
2021249-06-72-Ethyl-4,4-difluorobutane-1-sulfonyl chlorideC₆H₁₁ClF₂O₂S220.67
202126-85-04-[(3-Fluorophenyl)methyl]piperidineC₁₂H₁₆FN193.26
202129-57-52-(5-Phenyl-1H-pyrazol-3-yl)acetonitrileC₁₁H₉N₃183.21
2021300-97-83-(2-Bromopropyl)oxolaneC₇H₁₃BrO193.08
202131-14-4N-(9-Anthrylmethylene)-4-(phenyldiazenyl)anilineC₂₇H₁₉N₃385.47
202131-29-12-(2-Bromophenoxy)-1-(2,4-dihydroxyphenyl)ethanoneC₁₄H₁₁BrO₄323.14
202131-30-4Ethyl 3-amino-4-(ethylamino)benzoateC₁₁H₁₆N₂O₂208.26
202131-32-63-Amino-3-(3-phenoxyphenyl)propanoic acidC₁₅H₁₅NO₃257.29
202131-86-0N-(2-Acetamido-4,5-dimethylphenyl)acetamideC₁₂H₁₆N₂O₂220.27
202132-10-32-Hydroxy-N'-tricyclo[3.3.1.1~3,7~]dec-2-ylidenebenzohydrazideC₁₇H₂₀N₂O₂284.36
202134-57-42-[4-(Bromomethyl)phenyl]-1,1,1,3,3,3-hexafluoropropan-2-olC₁₀H₇BrF₆O337.06
202135-65-76-Chloro-N-methylpyridazine-3-carboxamideC₆H₆ClN₃O171.59
202135-67-96-Chloro-N-(2-hydroxyethyl)pyridazine-3-carboxamideC₇H₈ClN₃O₂201.61
202138-50-9Tenofovir disoproxil fumarateC₂₃H₃₄N₅O₁₄P635.52
2021398-66-14-Oxaspiro(2.4)heptan-6-amineC₆H₁₁NO113.16
2021455-69-42-Chloro-1-(spiro(2.5)octan-6-yl)ethan-1-oneC₁₀H₁₅ClO186.68
202146-16-5Methyl 4-amino-3-chloro-5-methylbenzoateC₉H₁₀ClNO₂199.64
2021659-61-82-((tert-Butoxy)carbonyl)-4-methyl-2-azabicyclo(2.1.1)hexane-1-carboxylic acidC₁₂H₁₉NO₄241.29
2021680-73-79,9-Difluoro-1-oxaspiro[5.5]undecane-2-carboxylic acidC₁₁H₁₆F₂O₃234.24
20217-01-02,4-Dibromophenyl glycidyl etherC₉H₈Br₂O₂307.97
20217-14-54-(2-Methyl-1,3-thiazol-4-yl)benzene-1,2-diolC₁₀H₉NO₂S207.25
2021775-60-81-[3-(1H-Pyrazol-4-yl)phenyl]ethan-1-oneC₁₁H₁₀N₂O186.21
20218-51-3Methyl[(1S)-1-(2-methylphenyl)ethyl]amineC₁₀H₁₅N149.24
20218-55-7(S)-(-)-N-Methyl-1-(1-naphthyl)ethylamineC₁₃H₁₅N185.27
2021809-76-57-Bromo-8-chloro-1,2-dihydroquinolin-2-oneC₉H₅BrClNO258.50
202185-74-8Glycopyrronium, threo-C₁₉H₂₈NO₃+318.44
202185-84-0Homopiperazine-1,4-bis(2-ethanesulfonic acid)C₉H₂₀N₂O₆S₂316.40
2021866-35-14-Ethynyl-1-methyl-1H-pyrazole-5-carbaldehydeC₇H₆N₂O134.14
202189-77-32-(1-(2-(4-(1-(4,5-Dihydro-4,4-dimethyl-2-oxazolyl)-1-methylethyl)phenyl)ethyl)-4-piperidinyl)-1-(2-ethoxyethyl)-1H-benzimidazoleC₃₂H₄₄N₄O₂516.73
202189-78-4BilastineC₂₈H₃₇N₃O₃463.62
202189-81-92-[1-[2-[4-[1-(4,5-Dihydro-4,4-dimethyl-2-oxazolyl)-1-methylethyl]phenyl]ethyl]-4-piperidinyl]-1H-benzimidazoleC₂₈H₃₆N₄O444.62
202190-49-6Choline-13C2 (chloride)C₅H₁₄ClNO141.61
202190-80-52(2'-Hydroxy-5'-(phenyl)ureylenphenyl) benzothiazoleC₂₀H₁₅N₃O₂S361.43
202191-12-62-(4,5-Dihydro-2-oxazolyl)quinolineC₁₂H₁₀N₂O198.22
202191-13-7N-(2-Chloroethyl)-2-quinolinecarboxamideC₁₂H₁₁ClN₂O234.69
202191-14-8N-(2-Hydroxy-2-phenylethyl)-2-(4-methylphenyl)acetamideC₁₇H₁₉NO₂269.34
202191-24-04-[(Carboxymethyl)sulfanyl]-3-nitrobenzoic acidC₉H₇NO₆S257.22
202191-43-3Propanamide, 3-[(4-chlorophenyl)sulfonyl]-C₉H₁₀ClNO₃S247.70
202192-77-63-Acetyl-6-nitro-4-phenylquinolin-2(1H)-oneC₁₇H₁₂N₂O₄308.29
202195-67-3Methyl 3-oxo-3,4-dihydro-2H-1,4-benzoxazine-6-carboxylateC₁₀H₉NO₄207.19
202195-71-94-Chloro-1,3-benzoxazole-6-carboxylic acidC₈H₄ClNO₃197.58
202197-26-03-Chloro-4-(3-fluorobenzyloxy)anilineC₁₃H₁₁ClFNO251.69
202197-61-3N-(2-Aminoethyl)methanesulfonamide hydrochlorideC₃H₁₁ClN₂O₂S174.65
202197-70-4Methyl 2-(4-oxopiperidin-1-yl)acetateC₈H₁₃NO₃171.20
202197-73-74-Oxo-3,4-dihydroquinazoline-7-carboxylic acidC₉H₆N₂O₃190.16
202198-18-3(2-Methanesulfonylethyl)(methyl)amineC₄H₁₁NO₂S137.20
202198-95-62-{[(Tetrahydro-furan-2-ylmethyl)-amino]-methyl}-phenolC₁₂H₁₇NO₂207.27
2022-29-9Spiperone hydrochlorideC₂₃H₂₇ClFN₃O₂431.94
2022-78-85-Fluoropyrimidin-2-oneC₄H₃FN₂O114.08
2022-85-7FlucytosineC₄H₄FN₃O129.09
202202-62-82-(4-Ethoxyphenyl)imidazo[1,2-a]pyridineC₁₅H₁₄N₂O238.29
2022024-91-3tert-Butyl 3-(2-aminopropyl)-8-azabicyclo[3.2.1]octane-8-carboxylateC₁₅H₂₈N₂O₂268.40
202207-02-12-Chloro-N-(2-iodophenyl)benzamideC₁₃H₉ClINO357.58
202207-24-7[1,2,5]Oxadiazolo[3,4-b]pyrazine-5,6-diamineC₄H₄N₆O152.12
202207-34-94-(1,3-Benzothiazol-2-ylsulfanyl)-3-nitrobenzamideC₁₄H₉N₃O₃S₂331.38
202207-36-12-(1,3-Benzothiazol-2-ylmethoxy)phenolC₁₄H₁₁NO₂S257.31
202207-79-2Carbamic acid, N-[2-(methylamino)ethyl]-, 1,1-dimethylethyl ester, hydrochloride (1:1)C₈H₁₉ClN₂O₂210.71
202208-73-94-Biphenyl-(3'-ethoxy)carboxylic acidC₁₅H₁₄O₃242.27
202217-04-76-(Aminomethyl)-4-methylpyridin-2-amine dihydrochlorideC₇H₁₃Cl₂N₃210.11
2022268-12-65-Methoxy-6-methylpyrimidine-4-carboxylic acidC₇H₈N₂O₃168.15
20223-76-1AvenaciolideC₁₅H₂₂O₄266.34
20223-84-1MercaptomerinC₁₆H₂₇HgNO₆S562.05

All pages for 2 (50 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.