CAS number index

CAS numbers starting with 203, page 4

611 chemicals have a CAS number that starts with 203. They are listed in CAS order.

Showing 301 to 400 of 611 chemicals

CAS numberChemical nameFormulaMol. weight

203313-25-13-(2,5-Dimethylphenyl)-8-methoxy-2-oxo-1-azaspiro(4.5)dec-3-en-4-yl ethyl carbonateC₂₁H₂₇NO₅373.45
203314-27-62-(2-Fluoro-5-methylphenyl)acetic acidC₉H₉FO₂168.17
203314-28-72,5-Dibromophenylacetic acidC₈H₆Br₂O₂293.94
203317-42-4alpha-D-Glukopiranozil-2-amino-2-dezoxi-alpha-D-glukopiranozid-hidroklorid (1:1)C₁₂H₂₄ClNO₁₀377.77
20332-10-9DiphenylthioxostannaneC₁₂H₁₀SSn304.99
20332-16-56-Amino-1,3-dioxaindane-5-carboxylic acidC₈H₇NO₄181.15
20333-39-5Ethyl methyl disulfideC₃H₈S₂108.23
20334-43-4Dimethyl ditellurideC₂H₆Te₂285.27
20334-52-5EthylketeneC₄H₆O70.09
2033469-25-74-(2-(Cyclopropylamino)-2-oxoethyl)benzoic acidC₁₂H₁₃NO₃219.24
20335-57-35-Amino-1-formylisoquinoline thiosemicarbazoneC₁₁H₁₁N₅S245.31
20335-68-62-Methyl-1,2,3,4-tetrahydroisoquinoline-3-carboxylic acid hydrochlorideC₁₁H₁₄ClNO₂227.69
20335-69-7Isoquinoline, 1,2,3,4-tetrahydro-2-(p-tolylsulfonyl)-C₁₆H₁₇NO₂S287.38
20336-15-62,4,6-Tri-tert-butylpyridineC₁₇H₂₉N247.43
20336-96-3Lithium myristateC₁₄H₂₇LiO₂234.31
203389-27-91-Octyl-3-methylimidazolium nitrateC₁₂H₂₃N₃O₃257.33
203389-28-01-Butylpyridinium tetrafluoroborateC₉H₁₄BF₄N223.02
20339-25-71-Azido-3,5-dichlorobenzeneC₆H₃Cl₂N₃188.02
203393-39-9PC(16:0/18:3(6Z,9Z,12Z))C₄₂H₇₈NO₈P756.06
203394-30-32-(1H-Indol-3-yl)-2-(4-methoxyphenyl)ethan-1-amineC₁₇H₁₈N₂O266.34
203395-81-7DeschloroaripiprazoleC₂₃H₂₈ClN₃O₂413.95
203399-13-7Octadeca-8,10,12-triynoic acidC₁₈H₂₄O₂272.39
2034-22-22,4,5-TribromoimidazoleC₃HBr₃N₂304.77
2034-23-35-Chloro-1,3-dihydro-2H-benzimidazol-2-oneC₇H₅ClN₂O168.58
2034-25-55-HydroxypentanehydrazideC₅H₁₂N₂O₂132.16
2034-41-51-(3-Aminophenyl)butan-1-oneC₁₀H₁₃NO163.22
2034-56-211-Hydroxytetradecanoic acidC₁₄H₂₈O₃244.38
2034-65-33,4',7-TrihydroxyflavoneC₁₅H₁₀O₅270.24
2034-69-7DaphnoretinC₁₉H₁₂O₇352.30
2034-72-2Stigmasta-3,5-dien-7-oneC₂₉H₄₆O410.69
2034-74-47-KetositosterolC₂₉H₄₈O₂428.70
2034-94-8Testosterone 3-cyclohexylpropionateC₂₈H₄₂O₃426.64
2034067-56-41-{[3-(Thiophen-3-yl)-1,2,4-oxadiazol-5-yl]methyl}piperazine dihydrochlorideC₁₁H₁₆Cl₂N₄OS323.25
20341-16-6N-[2-(1,3-Benzodioxol-5-yl)ethyl]-2-(3,4-dimethoxyphenyl)acetamideC₁₉H₂₁NO₅343.38
2034153-31-43-(Methylamino)piperidine-2,6-dione hydrochlorideC₆H₁₁ClN₂O₂178.62
2034154-05-55-(Aminomethyl)-1-cyclopropyl-1,2,3,4-tetrahydropyrimidine-2,4-dione hydrochlorideC₈H₁₂ClN₃O₂217.66
2034154-08-8Oxolane-3-carboximidamide hydrochlorideC₅H₁₁ClN₂O150.61
2034154-09-93-Chloro-5H,6H,7H,8H-imidazo(1,2-a)pyrazine dihydrochlorideC₆H₁₀Cl₃N₃230.53
2034154-31-7tert-Butyl 4,5,11-triazatricyclo[6.2.1.0,2,6]undeca-2(6),3-diene-11-carboxylateC₁₃H₁₉N₃O₂249.31
2034156-73-33-(2-Methylpropane-2-sulfonyl)pyrrolidine hydrochlorideC₈H₁₈ClNO₂S227.76
2034156-74-44-(1,3-Oxazol-5-yl)piperidine dihydrochlorideC₈H₁₄Cl₂N₂O225.12
2034156-89-1Sodium 1H,2H,3H-pyrazolo(1,5-a)imidazole-7-carboxylateC₆H₆N₃NaO₂175.12
2034157-29-25-(Aminomethyl)-1-methylpyrimidine-2,4(1H,3H)-dione hydrochlorideC₆H₁₀ClN₃O₂191.62
2034157-32-74H,5H,6H,7H-Pyrazolo(1,5-a)pyridin-5-amine dihydrochlorideC₇H₁₃Cl₂N₃210.11
2034161-83-4(2E)-4-Amino-N-methylbut-2-enamide hydrochlorideC₅H₁₁ClN₂O150.61
2034166-35-1Rel-(3R)-1-(4-fluorophenyl)-5-oxopyrrolidine-3-carboxylic acidC₁₁H₁₀FNO₃223.20
20342-64-7Indole-4,7-dioneC₈H₅NO₂147.13
203436-45-72,6-Dichloro-9-(propan-2-yl)-9H-purineC₈H₈Cl₂N₄231.09
203436-48-0[4-(Thiophen-2-yl)phenyl]methanamineC₁₁H₁₁NS189.28
20344-46-1GaluteolinC₂₁H₂₀O₁₁448.38
20344-49-4Iron hydroxide oxide (Fe(OH)O)HFeO₂88.85
20344-69-82,4-Pyrimidinediamine, 5-((3,5-dimethoxyphenyl)methyl)-C₁₃H₁₆N₄O₂260.30
20344-79-0DiaminofumaronitrileC₄H₄N₄108.10
2034403-65-9N-(3-Hydroxy-3-(tetrahydro-2H-pyran-4-yl)propyl)-5-phenylisoxazole-3-carboxamideC₁₈H₂₂N₂O₄330.38
203443-33-8AtractylochromeneC₁₇H₂₂O₂258.36
2034455-35-93-Bromo-5-iodo-6-methoxy-2-methylpyridineC₇H₇BrINO327.95
2034457-89-92-Methyl-6-[4-(pyridin-2-yl)piperazin-1-yl]pyrazineC₁₄H₁₇N₅255.32
2034479-49-51-(7-(Trifluoromethyl)-5H,6H,7H,8H-(1,2,4)triazolo(4,3-a)pyridin-3-yl)methanamine dihydrochlorideC₈H₁₃Cl₂F₃N₄293.12
203448-41-34-(3,5-Dichlorobenzoyl)morpholineC₁₁H₁₁Cl₂NO₂260.12
203448-76-42-(1,3-Dimethylbutyl)anilineC₁₂H₁₉N177.29
20345-11-34-(4-Chlorobenzylidene)-2-(3-nitrophenyl)-2-oxazolin-5-oneC₁₆H₉ClN₂O₄328.71
20345-16-84-(4-Bromo-benzylidene)-2-phenyl-4H-oxazol-5-oneC₁₆H₁₀BrNO₂328.17
20345-69-1(6,7-Dimethoxy-3,4-dihydroisoquinolin-1-yl)(3,4-dimethoxyphenyl)methanoneC₂₀H₂₁NO₅355.39
203450-07-15'-HydroxythalidomideC₁₃H₁₀N₂O₅274.23
203450-08-22-(4-Fluorophenyl)-4,6-diphenyl-1,3,5-triazineC₂₁H₁₄FN₃327.36
203450-55-9N-Cyclohexyl-N'-(tetrahydro-2-furanylmethyl)ureaC₁₂H₂₂N₂O₂226.32
203453-80-94-[2-({[(9H-Fluoren-9-yl)methoxy]carbonyl}amino)ethyl]benzoic acidC₂₄H₂₁NO₄387.44
20346-99-0Rubidium tetrahydroborate(1-)H₄BRb100.31
2034613-76-62-(4-Aminopiperidin-1-yl)-6-methylpyrimidin-4(3H)-one dihydrochlorideC₁₀H₁₈Cl₂N₄O281.19
2034621-00-41-(Oxan-4-yl)azetidin-3-ol hydrochlorideC₈H₁₆ClNO₂193.67
2034621-68-4(4-(Pyridin-2-yloxy)phenyl)methanamine dihydrochlorideC₁₂H₁₄Cl₂N₂O273.16
20347-65-3(+)-Borneol acetateC₁₂H₂₀O₂196.29
20348-09-82H-Pyrido(3,2-b)-1,4-oxazin-3(4H)-oneC₇H₆N₂O₂150.14
20348-16-72-Amino-6-methylpyridin-3-olC₆H₈N₂O124.14
20348-21-42,2-Dimethyl-2H-pyrido[3,2-b]-1,4-oxazin-3(4H)-oneC₉H₁₀N₂O₂178.19
20348-23-63,4-Dihydro-2H-pyrido(3,2-b)(1,4)oxazineC₇H₈N₂O136.15
20348-26-92,2-Dimethyl-2H,3H,4H-pyrido(3,2-b)(1,4)oxazineC₉H₁₂N₂O164.21
20349-39-72,7-Naphthalenedisulfonic acid, 4-hydroxy-, sodium salt (1:2)C₁₀H₆Na₂O₇S₂348.26
20349-50-2N'-Acetyl-2-hydroxybenzohydrazideC₉H₁₀N₂O₃194.19
2035-05-47-Hydroxy-5,6-dimethoxyflavoneC₁₇H₁₄O₅298.29
2035-08-71,3-Dioxolane, 2-methyl-2-(2-methylpropyl)-C₈H₁₆O₂144.21
2035-15-6(-)-MaackiainC₁₆H₁₂O₅284.27
2035-66-7Palladium cyanide (Pd(CN)2)C₂N₂Pd158.46
2035-72-54-Benzoyl-3-hydroxyphenyl methacrylateC₁₇H₁₄O₄282.30
2035-75-8Adipic anhydrideC₆H₈O₃128.13
2035-76-9Butylsuccinic anhydrideC₈H₁₂O₃156.18
2035-89-4DimethylmethylenehydrazineC₃H₈N₂72.11
2035-93-0Dimethyl phenylbutanolC₁₂H₁₈O178.28
2035-94-12-Phenylbutane-1-olC₁₀H₁₄O150.22
2035-99-63-Methylbutyl octanoateC₁₃H₂₆O₂214.35
20350-15-6Brefeldin AC₁₆H₂₄O₄280.36
20350-26-9Phenol, 2,4-dinitro-, ion(1-)C₆H₃N₂O₅-183.10
203503-49-5rel-1,1-Dimethylethyl (3R,4R)-3-hydroxy-4-(methylamino)-1-pyrrolidinecarboxylateC₁₀H₂₀N₂O₃216.28
203505-84-4(2E)-3-(2,3-Dihydro-5-benzofuranyl)-2-propenoic acidC₁₁H₁₀O₃190.20
203506-01-82-Amino-6-bromo-3-methylquinolineC₁₀H₉BrN₂237.10
203506-28-96-Fluoro-3-methylquinolin-2-amineC₁₀H₉FN₂176.19
203506-30-32-Amino-6-methoxy-3-methylquinolineC₁₁H₁₂N₂O188.23
20351-54-62-(Naphthalen-2-yl)propan-2-olC₁₃H₁₄O186.25
20351-79-58-Methoxy-3,4-dihydro-2H-1-benzopyran-4-oneC₁₀H₁₀O₃178.19
203510-68-31H-Indol-3-yl(4-phenylpiperazino)methanoneC₁₉H₁₉N₃O305.38

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