• 4-Piperidinone,2-methyl-1-[(1S)-1-phenylethyl]-, (2R)-
• 103539-61-3
• C₁₄H₁₉NO
• 279
• .

• 4-Chloro-5-fluoroindolin-2-one
• 103585-71-3
• C8H5ClFNO
• 185.58
• .

• 4-Bromo-2,6-difluoroanisole
• 104197-14-0
• C₇H₅BrF₂O
• 223.02
• .

• 4H-1-Benzopyran-4-one,3-[(O-6-deoxy-a-L-mannopyranosyl-(1®2)-O-[6-deoxy-a-L-mannopyranosyl-(1®6)]-b-D-glucopyranosyl)oxy]-5,7-dihydroxy-2-(4-hydroxy-3-methoxyphenyl)-
• 104472-68-6
• C₃₄H₄₂O₂₀
• 770.68
• .

• 4H-1,3,5-Dithiazine,dihydro-2,4-dimethyl-6-(1-methylethyl)-
• 104691-41-0
• C8H17NS2
• 191.36
• .

• 4(5H)-Thiazolone,2-amino-5-[[4-[2-(5-ethyl-2-pyridinyl)ethoxy]phenyl]methyl]-
• 105355-26-8
• C₁₉H₂₁N₃O₂S
• 355.45
• .

• 4-Pyridinecarboxylicacid, 2-methoxy-
• 105596-63-2
• C₇H₇NO₃
• 153.14
• .

• 4-Thia-1-azabicyclo[3.2.0]hept-2-ene-2-carboxylicacid, 6-[(1R)-1-hydroxyethyl]-7-oxo-3-[(2R)-tetrahydro-2-furanyl]-, (5R,6S)-
• 106560-14-9
• C12H14NNaO5S·2.5H2O
• 704.67
• .

• 4(3H)-Pyrimidinone,5-fluoro-6-hydroxy-
• 106615-61-6
• C₄H₃FN₂O₂
• 130.0772232
• .

• 4-BENZYL-5-OXO-MORPHOLINE-3-CARBOXYLIC ACID METHYL ESTER
• 106910-81-0
• C13H15NO4
• 249.26
• .

• 4(3H)-Pyrimidinone,2-[[1-[1-[(4-fluorophenyl)methyl]-1H-benzimidazol-2-yl]-4-piperidinyl]methylamino]-
• 108612-45-9
• C₂₄H₂₅FN₆O
• 432.49
• .

• 4,4'-Bis(hydroxymethyl)-2,2'-bipyridine
• 109073-77-0
• C₁₂H₁₂O₂N₂
• 216.24
• .

• 4-Amino-N-methyl-alpha-toluenesulphonamide
• 109903-35-7
• C8H12N2O2S
• -0
• 200.26
• .

• 4-Chloro-3-fluorobenzonitrile
• 110888-15-8
• C7H3ClFN
• -0
• 155.56
• .

• 4-Methylsulfonyl-2-nitrobenzoic acid
• 110964-79-9
• C8H7NO6S
• 245.21
• .

• 4-Bromo-2,5-difluoroaniline
• 112279-60-4
• C6H4BrF2N
• -0
• 208.00
• .

• 4-Bromo-2-fluorobenzoic acid
• 112704-79-7
• C₇H₄BrFO₂
• -0
• 219.01
• .

• 4-Morpholinecarboxylicacid, 6-oxo-2,3-diphenyl-, 1,1-dimethylethyl ester, (2R,3S)-
• 112741-49-8
• C₂₁H₂₃NO₄
• 353.42
• .

• 4-Morpholinecarboxylicacid, 6-oxo-2,3-diphenyl-, 1,1-dimethylethyl ester, (2S,3R)-
• 112741-50-1
• C₂₁H₂₃NO₄
• 353.42
• .

• 4H-1-Benzopyran-4-one,7-fluoro-2,3-dihydro-
• 113209-68-0
• C₉H₇FO₂
• 166.15
• .

• 4-Pyridinecarboxaldehyde,2,6-dichloro-
• 113293-70-2
• C₆H₃Cl₂NO
• 176
• .

• 4-(Bromomethyl)-3-methyl-5-phenylisoxazole
• 113841-59-1
• C₁₁H₁₀BrNO
• 252.11
• .

• 4'-Bromomethylbiphenyl-2-carboxylic acid methyl ester
• 114772-38-2
• C15H13BrO2
• 305.17
• .

• 4'-Bromoethyl-2-cyanobiphenyl
• 114772-54-2
• C14H10BrN
• 425-280-5
• 272.14
• .

• 4-Pyridinecarbonitrile,2-iodo-
• 114821-24-8
• C₆H₃IN₂
• 230.00589
• .

• 4-AMINO-2,5-DIFLUOROBENZOTRIFLUORIDE
• 114973-22-7
• C7H4F5N
• 197.1
• .

• 4-Pyridinecarbonylchloride, 2-chloro-6-methoxy-
• 116853-97-5
• C₇H₅Cl₂NO₂
• 206.03
• .

• 4-Pyridinecarboxaldehyde,2-bromo-
• 118289-17-1
• C₆H₄BrNO
• -0
• 186.01
• .

• 4-Isopropylphenylhydrazine hydrochloride
• 118427-29-5
• C₉H₁₄N₂^.HCl
• 186.68
• .

• 4-butoxy-1,1,1-trofluoro-3-buten-2-one
• 120407-73-0
• C8H11F3O2
• 196.17
• .

• 4-(2-Bromoethyl)-2-oxoindole
• 120427-96-5
• C₁₀H₁₀BrNO
• 240.1
• .

• 4-Thia-1-azabicyclo[3.2.0]hept-2-ene-2-carboxylicacid,6-[(1R)-1-[[(1,1-dimethylethyl)dimethylsilyl]oxy]ethyl]-7-oxo-3-[(2R)-tetrahydro-2-furanyl]-,2-propen-1-yl ester, (5R,6S)-
• 120705-67-1
• C₂₁H₃₃NO₅SSi
• 439.64
• .

• 4-Bromo-3-fluorophenol
• 121219-03-2
• C₆H₄BrFO
• 191
• .

• 4-Pentylbenzeneboronic acid
• 121219-12-3
• C₁₁H₁₇BO₂
• 192.06
• .

• 4-Quinolinecarboxylicacid, 8-bromo-
• 121490-67-3
• C₁₀H₆BrNO₂
• 252.06
• .

• 4-Thiazolidinecarboxylicacid, 3-[[(2S)-5-oxo-2-pyrrolidinyl]carbonyl]-, (4R)-
• 121808-62-6
• C₉H₁₂N₂O₄S
• 244.26758
• .

• 4,4-Difluorocyclohexanecarboxylic acid
• 122665-97-8
• C₇H₁₀F₂O₂
• 164.15
• .

• 4-tert-Butylphenylboronic acid
• 123324-71-0
• C₁₀H₁₅BO₂
• -0
• 178.04
• .

• 4-Fluoro-alpha-(2-methyl-1-oxopropyl)-gamma-oxo-N,bata-diphenylbenzene butaneamide
• 125971-96-2
• C₂₆H₂₄FNO₃
• 417.47
• .

• 4-Cyanophenylboronic acid
• 126747-14-6
• C₇H₆BNO₂
• 146.94
• .

• 4-(Pyridin-3-yl)benzaldehyde
• 127406-55-7
• C12H9NO
• 258-034-9
• 183.21
• .

• 4-(2-Pyridinyl)benzaldehyde
• 127406-56-8
• C₁₂H₉NO
• 183.21
• .

• 4-Thiazoleacetic acid,2-amino-a-[(triphenylmethoxy)imino]-, (aZ)-
• 128438-01-7
• C₂₄H₁₉N₃O₃S
• 429.49
• .

• 4-CHLORO-6-(4-METHYLPHENYL)-2-(METHYLTHIO)PYRIMIDINE-5-CARBONITRILE
• 128640-74-4
• C13H10ClN3S
• 0
• .

• 4-BROMOPHENYL TRIFLUOROMETHANESULFONATE
• 129112-25-0
• C7H4BrF3O3S
• 305.07
• .

• 4H-Pyrido[1,2-a]pyrimidin-4-one,3-(2-chloroethyl)-6,7,8,9-tetrahydro-9-hydroxy-2-methyl-
• 130049-82-0
• C₁₁H₁₅O₂N₂Cl
• 242.7
• .

• 4-Chlor-3-nitro-5-sulfobenzoesure
• 130262-91-8
• C7H4 Cl N O7 S
• 0
• .

• 4-Pyridinecarboxaldehyde,2-fluoro-
• 131747-69-8
• C₆H₄FNO
• 125.1
• .

• 4-Bromo-3-fluorobenzaldehyde
• 133059-43-5
• C₇H₄BrFO
• 203.01
• .

• 4-Bromobenzeneboronic acid N-methyldiethanolamine cyclic ester
• 133468-58-3
• C11H15BBrNO2
• -0
• 283.95
• .