• 423-62-1
• Henicosafluor-10-ioddecan
• Perfluorodecyl iodide

• 423-65-4
• 1H,1H-PERFLUORO-1-DODECANOL
• 1H,1H-PERFLUORO-1-DODECANOL

• 423-66-5
• 1H-PERFLUOROTRIDECANE 97
• 1H-PERFLUOROTRIDECANE 97

• 423-72-3
• 1H,1H,13H-PERFLUOROTRIDECAN-1-OL
• 1H,1H,13H-PERFLUOROTRIDECAN-1-OL

• 423-82-5
• 2-[Ethyl[(heptadecafluoroctyl)sulfonyl]amino]ethylacrylat
• 2-(N-Ethylperfluorooctanesulfonamido)ethyl acrylate

• 423-86-9
• N-Allylheptadecafluoroctansulfonamid
• N-allylheptadecafluorooctanesulphonamide

• 423-95-0
• 2,2,3,3,4,4,5,5,6,6,7,7,8,8,9,9-Hexadecafluornonanoylchlorid
• 9H-HEXADECAFLUORONONANOYL CHLORIDE

• 424-16-8
• 1H,1H,7H-DODECAFLUOROHEPTYL P-TOLUENESULFONATE
• 1H,1H,7H-DODECAFLUOROHEPTYL P-TOLUENESULFONATE

• 424-18-0
• METHYL PERFLUOROHEXANOATE
• METHYL PERFLUOROHEXANOATE

• 424-32-8
• (Nonafluorobutyl)imidocarbonyl difluoride
• (Nonafluorobutyl)imidocarbonyl difluoride

• 424-36-2
• ETHYL PERFLUOROPENTANOATE
• ETHYL PERFLUOROPENTANOATE

• 424-37-3
• Vinylperfluorvalerat
• vinyl perfluorovalerate

• 424-40-8
• Diethylhexafluorglutarat
• DIETHYL HEXAFLUOROGLUTARATE

• 424-64-6
• 2,2,3,3,4,4,4-Heptafluorbutylacrylat
• 1H,1H-HEPTAFLUOROBUTYL ACRYLATE

• 424-89-5
• Clomegestone
• Clomegestone

• 425-01-4
• Oleana-18-ene-3-one
• Oleana-18-ene-3-one

• 425-11-6
• 1-Chloro-1,2,2-trifluoro-1,2-dinitroethane
• 1-Chloro-1,2,2-trifluoro-1,2-dinitroethane

• 425-32-1
• 1,2-BIS(PHENYL)-1,1,2,2-TETRAFLUOROETHANE
• 1,2-BIS(PHENYL)-1,1,2,2-TETRAFLUOROETHANE

• 425-38-7
• PERFLUOROMETHOXYPROPIONOYL FLUORIDE 98
• PERFLUOROMETHOXYPROPIONOYL FLUORIDE 98

• 425-40-1
• 17,21-Dihydroxypregna-1,4-diene-3,11,20-trione bis(trifluoroacetate)
• 17,21-Dihydroxypregna-1,4-diene-3,11,20-trione bis(trifluoroacetate)

• 425-51-4
• 6,7-Dehydro-17α-acetoxy Progesterone
• 6,7-Dehydro-17α-acetoxy Progesterone

• 425-61-6
• 2,2,3,3-TETRAFLUORO-1,4-BUTANEDIOL
• 2,2,3,3-TETRAFLUORO-1,4-BUTANEDIOL

• 425-75-2
• Ethyltrifluormethansulfonat
• Ethyl trifluoromethanesulfonate

• 425-87-6
• 2-Chlor-1,1,2-trifluor-1-methoxyethan
• 2-CHLORO-1,1,2-TRIFLUOROETHYL METHYL ETHER

• 425-88-7
• 1,1,2,2-Tetrafluor-1-methoxyethan
• 1,1,2,2-Tetrafluoroethyl methyl ether

• 425-94-5
• HCFC-234
• HCFC-234

• 425-97-8
• 3-Chloro-2,2,3-trifluoropropionicacid
• 3-Chloro-2,2,3-trifluoropropionicacid

• 425-99-0
• 2,2-DIFLUOROMALONAMIDE
• 2,2-DIFLUOROMALONAMIDE

• 426-13-1
• Fluorometholon
• Fluorometholone

• 426-17-5
• 1,2-Dihydro Dexamethasone
• 1,2-Dihydro Dexamethasone

• 426-20-0
• DesMethyl FluoroMetholone
• DesMethyl FluoroMetholone

• 426-34-6
• 4α,9-Epoxycevane-3β,4,7α,14,15α,16β,20-heptol 3-[(2R,3R)-2,3-dihydroxy-2-methylbutanoate]15-[(R)-2-methylbutanoate]
• 4α,9-Epoxycevane-3β,4,7α,14,15α,16β,20-heptol 3-[(2R,3R)-2,3-dihydroxy-2-methylbutanoate]15-[(R)-2-methylbutanoate]

• 426-43-7
• 21-Acetyloxy-17-hydroxy-16-methylpregn-4-ene-3,20-dione
• 21-Acetyloxy-17-hydroxy-16-methylpregn-4-ene-3,20-dione

• 426-50-6
• Trichlor(1,1,2,3,3,3-hexafluorpropyl)silan
• trichloro(1,1,2,3,3,3-hexafluoropropyl)silane

• 426-54-0
• 2-PHENYL-1,1,1-TRIFLUOROPROPAN-2-OL
• 2-PHENYL-1,1,1-TRIFLUOROPROPAN-2-OL

• 426-56-2
• (1-CHLORO-1,2,2,2-TETRAFLUOROETHYL)BENZENE
• (1-CHLORO-1,2,2,2-TETRAFLUOROETHYL)BENZENE

• 426-58-4
• Phenyl (trifluoromethyl) sulfone
• Phenyl (trifluoromethyl) sulfone

• 426-59-5
• 3-(TRIFLUOROMETHYLSULFONYL)ANILINE
• 3-(TRIFLUOROMETHYLSULFONYL)ANILINE

• 426-64-2
• 4-HYDROXYPYRIDINE
• 4-HYDROXYPYRIDINE

• 426-65-3
• Ethylpentafluorpropionat
• ETHYL PENTAFLUOROPROPIONATE

• 426-79-9
• Tetraphenylphosphoniumtetrafluoroborat
• Tetraphenylphosphonium tetrafluoroborate

• 427-00-9
• Desomorphin
• desomorphine

• 427-01-0
• (16R,19E)-19,20-Didehydro-16-[(10β,13β,21S)-23-deoxy-21,22-dihydro-11-oxa-12,24-secostrychinidin-10-yl]corynan-17-oic acid methyl ester
• (16R,19E)-19,20-Didehydro-16-[(10β,13β,21S)-23-deoxy-21,22-dihydro-11-oxa-12,24-secostrychinidin-10-yl]corynan-17-oic acid methyl ester

• 427-17-8
• 3-hydroxyphenobarbital
• 3-hydroxyphenobarbital

• 427-25-8
• (14β,17R,20S)-2β,3β-Dihydroxy-12α,20-epoxypregn-5-ene-11,15-dione
• (14β,17R,20S)-2β,3β-Dihydroxy-12α,20-epoxypregn-5-ene-11,15-dione

• 427-26-9
• (14β,17R,20S)-3β-Hydroxy-12α,20-epoxypregn-5-ene-11,15-dione
• (14β,17R,20S)-3β-Hydroxy-12α,20-epoxypregn-5-ene-11,15-dione

• 427-29-2
• 3'-hydroxyhexobarbital
• 3'-hydroxyhexobarbital

• 427-30-5
• 3'-ketohexobarbital
• 3'-ketohexobarbital

• 427-36-1
• 1,1',1''-(Fluormethylidyn)trisbenzol
• TRIPHENYLMETHYL FLUORIDE

• 427-39-4
• benzenemethanol, 4-fluoro-alpha,alpha-diphenyl
• benzenemethanol, 4-fluoro-alpha,alpha-diphenyl

• 427-45-2
• Tris(p-chlorophenyl)fluorostannane
• Tris(p-chlorophenyl)fluorostannane

• 427-49-6
• Cyclopentylphenylglykolsure
• alpha-Cyclopentylmandelic acid

• 427-51-0
• 6-Chlor-1-β,2-β-dihydro-17-hydroxy-3'H-cyclopropa[1,2]pregna-1,4,6-trien-3,20-dion-17-acetat
• Cyproterone acetate

• 427-53-2
• 4-Fluor-α-cyclopropyl-α-(4-fluorphenyl)-benzylalkohol
• 4-fluoro-alpha-cyclopropyl-alpha-(4-fluorophenyl)-benzylic alcohol

• 427-63-4
• GEODIN
• GEODIN

• 427-77-0
• Gibberellin A9
• Gibberellin A9

• 427-78-1
• gibberic acid
• gibberic acid

• 427-79-2
• Allogibberic acid
• Allogibberic acid

• 428-07-9
• Levomepate
• Levomepate

• 428-13-7
• Difluoronitroacetic acid methyl ester
• Difluoronitroacetic acid methyl ester

• 428-21-7
• 6,8-Dichloro-5-hydroxy-6'-methoxy-7-methyl-4,4'-dioxospiro[4H-1,3-benzodioxin-2,1'-[2,5]cyclohexadiene]-2'-carboxylic acid methyl ester
• 6,8-Dichloro-5-hydroxy-6'-methoxy-7-methyl-4,4'-dioxospiro[4H-1,3-benzodioxin-2,1'-[2,5]cyclohexadiene]-2'-carboxylic acid methyl ester

• 428-37-5
• Profadol
• Profadol

• 428-38-6
• 2,3-DIHYDROSPIRO[INDENE-1,4'-PIPERIDINE]
• 2,3-DIHYDROSPIRO[INDENE-1,4'-PIPERIDINE]

• 428-54-6
• Tricyclo[4.4.0.01,4]decane
• Tricyclo[4.4.0.01,4]decane

• 428-59-1
• Trifluor(trifluormethyl)oxiran
• Hexafluoropropylene oxide

• 428-63-7
• 2,2-difluoropropane-1,3-diol
• 2,2-difluoropropane-1,3-diol

• 428-65-9
• 2-Chloro-1,1-difluoro-1-methoxyethane
• 2-Chloro-1,1-difluoro-1-methoxyethane

• 428-70-6
• 1,1,1-trifluoro-2-methyl-3-nitropropan-2-ol
• 1,1,1-trifluoro-2-methyl-3-nitropropan-2-ol

• 428-75-1
• 1,1,1,5,5,5-HEXAFLUORO-2,2,4,4-PENTANE-T ETROL, 97
• 1,1,1,5,5,5-HEXAFLUORO-2,2,4,4-PENTANE-T ETROL, 97

• 428-76-2
• Bis(trifluormethylsulfonyl)methan
• bis(trifluoromethylsulphonyl)methane

• 428-89-7
• 2,2-Difluoro-3-Methoxy-propionic acid silver salt
• 2,2-Difluoro-3-Methoxy-propionic acid silver salt

• 428-92-2
• 2-Chlor-1-(chlormethoxy)-1,1,2-trifluorethan
• 2-chloro-1-(chloromethoxy)-1,1,2-trifluoroethane

• 428-96-6
• 2-Chlor-1-(dichlormethoxy)-1,1,2-trifluorethan
• 2-chloro-1-(dichloromethoxy)-1,1,2-trifluoroethane

• 428-97-7
• diethyl 2,2-difluoropentanedioate
• diethyl 2,2-difluoropentanedioate

• 429-01-6
• 6-METHYL-2,4,6-TRIS(TRIFLUOROMETHYL)TETRAHYDROPYRAN-2,4-DIOL
• 6-METHYL-2,4,6-TRIS(TRIFLUOROMETHYL)TETRAHYDROPYRAN-2,4-DIOL

• 429-06-1
• Tetraethylammoniumtetrafluorborat
• Tetraethylammonium tetrafluoroborate

• 429-07-2
• Tetraethylammoniumhexafluorphosphat
• Tetraethylammonium hexafluorophosphate

• 429-18-5
• HEXAKIS(2,2,3,3,3-PENTAFLUOROPROPOXY)PHOSPHAZINE
• HEXAKIS(2,2,3,3,3-PENTAFLUOROPROPOXY)PHOSPHAZINE

• 429-30-1
• Trifluoroacetic acid triethylstannyl ester
• Trifluoroacetic acid triethylstannyl ester

• 429-41-4
• Tetrabutylammoniumfluorid
• Tetrabutylammonium fluoride

• 429-42-5
• Tetrabutylammoniumtetrafluoroborat
• Tetrabutylammonium tetrafluoroborate

• 429-54-9
• 4-Chloro-6-methoxyquinoline
• 4-Chloro-6-methoxyquinoline

• 429-56-1
• 4-chloro-2-methylquinoline
• 4-chloro-2-methylquinoline

• 429-60-7
• Trimethoxy(3,3,3-trifluorpropyl)silan
• (3,3,3-TRIFLUOROPROPYL)TRIMETHOXYSILANE

• 429-67-4
• 2,4,6,8-Tetramethyl-2,4,6,8-tetrakis(3,3,3-trifluorpropyl)cyclotetrasiloxan
• 1,3,5,7-TETRAKIS(3,3,3-TRIFLUOROPROPYL)1,3,5,7-TETRAMETHYLCYCLOSILOXANES

• 429-72-1
• Methylsilylidyntris(trifluoracetat)
• METHYLTRIS(TRIFLUOROACETOXY)SILANE

• 429-77-6
• Tribenzylfluorstannan
• tribenzylfluorostannane

• 430-19-3
• 1,1,4,8-Tetramethylcycloundecane
• 1,1,4,8-Tetramethylcycloundecane

• 430-41-1
• ethyl-difluoro-borane
• ethyl-difluoro-borane

• 430-48-8
• (Z)-1-CHLORO-2-FLUOROPROP-1-ENE
• (Z)-1-CHLORO-2-FLUOROPROP-1-ENE

• 430-50-2
• 1-FLUORO-2-PROPANOL
• 1-FLUORO-2-PROPANOL

• 430-51-3
• Fluoraceton
• Fluoroacetone

• 430-53-5
• 1,1-dichloro-2-fluoro-ethane
• 1,1-dichloro-2-fluoro-ethane

• 430-55-7
• HCFC 271fb
• HCFC 271fb

• 430-57-9
• 1,2-DICHLOROFLUOROETHANE
• 1,2-DICHLOROFLUOROETHANE

• 430-58-0
• 1,2-Dichlor-1-fluorethylen
• 1,2-DICHLORO-1-FLUOROETHYLENE

• 430-61-5
• 1,1-Difluoropropane
• 1,1-Difluoropropane

• 430-64-8
• CF2=C=CH2
• CF2=C=CH2

• 430-66-0
• 1,1,2-Trifluorethan
• 1,1,2-TRIFLUOROETHANE

• 430-67-1
• 2,2-DIFLUOROETHYLAMINE
• 2,2-DIFLUOROETHYLAMINE