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Categories / Impurity

Impurity Products

Browse available compounds, catalogue references, CAS numbers and technical details from Clearsynth.

Showing 20209-20232 of 27558 products
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methyl 3-nitro-4-(((tetrahydro-2H-pyran-4-yl)methyl)amino)benzenesulfonate chemical structure
Custom Synthesis

methyl 3-nitro-4-(((tetrahydro-2H-pyran-4-yl)methyl)amino)benzenesulfonate

CAT No. CS-O-36796
CAS No. -
Category Impurity
Parent API Venetoclax
Formula C13H18N2O6S
Mol. Wt. 330.36
Methyl 4-((2R,4R)-4-ethoxypiperidin-2-yl)benzoate chemical structure
Custom Synthesis

Methyl 4-((2R,4R)-4-ethoxypiperidin-2-yl)benzoate

CAT No. CS-O-56846
CAS No.
Category Impurity
Parent API Iptacopan
Formula C15H21NO3
Mol. Wt. 263.34
Methyl 4-((2S,4R)-4-ethoxypiperidin-2-yl)benzoate chemical structure
Custom Synthesis

Methyl 4-((2S,4R)-4-ethoxypiperidin-2-yl)benzoate

CAT No. CS-O-56844
CAS No. 2920219-98-1
Category Impurity
Parent API Iptacopan
Formula C15H21NO3
Mol. Wt. 263.34
methyl 4-((5-(4-nitrobenzoyl)-1H-indol-1-yl)methyl)benzoate chemical structure
Custom Synthesis

methyl 4-((5-(4-nitrobenzoyl)-1H-indol-1-yl)methyl)benzoate

CAT No. CS-O-45137
CAS No. -
Category Impurity
Parent API -
Formula C24H18N2O5
Mol. Wt. 414.42
Methyl 4-(2-Iodoethyl)benzoate chemical structure
Custom Synthesis

Methyl 4-(2-Iodoethyl)benzoate

CAT No. CS-T-34112
CAS No. 1065269-88-6
Category Impurity
Parent API
Formula -
Mol. Wt.
methyl 4-(3,3-dibromo-4-oxobutyl)benzoate chemical structure
Custom Synthesis

methyl 4-(3,3-dibromo-4-oxobutyl)benzoate

CAT No. CS-ED-01052
CAS No. 1320346-37-9
Category Impurity
Parent API Pemetrexed
Formula C12H12Br2O3
Mol. Wt. 364.03
Methyl 4-(4-fluorophenyl)-1-methyl-2,6-dioxo-3-piperidinecarboxylate chemical structure
Custom Synthesis

Methyl 4-(4-fluorophenyl)-1-methyl-2,6-dioxo-3-piperidinecarboxylate

CAT No. CS-O-47970
CAS No. 1558726-44-5
Category Impurity
Parent API Paroxetine
Formula C14H14FNO4
Mol. Wt. 279.26
Methyl 4-(4-fluorophenyl)-6-isopropyl-2-oxo-1,2-dihydropyrimidine-5-carboxylate chemical structure
Custom Synthesis

Methyl 4-(4-fluorophenyl)-6-isopropyl-2-oxo-1,2-dihydropyrimidine-5-carboxylate

CAT No. CS-MM-60262
CAS No. 488798-37-4
Category Impurity
Parent API Rosuvastatin
Formula C15H15FN2O3
Mol. Wt. 290.3
Methyl 4-(4-hydroxyphenoxy)-3,5-diiodobenzoate chemical structure
Custom Synthesis

Methyl 4-(4-hydroxyphenoxy)-3,5-diiodobenzoate

CAT No. CS-O-64537
CAS No. 33927-19-4
Category Impurity
Parent API levothyroxine
Formula C14H10I2O4
Mol. Wt. 496.04
methyl 4-(5-nitro-1-methyl indol-3-yl-methyl)-3-methoxy benzoate chemical structure
Custom Synthesis

methyl 4-(5-nitro-1-methyl indol-3-yl-methyl)-3-methoxy benzoate

CAT No. CS-O-44325
CAS No. -
Category Impurity
Parent API Zafirlukast
Formula C19H18N2O5
Mol. Wt. 354.36
methyl 4-(6-(5-(2,4-difluorophenylsulfonamido)-6-methoxypyridin-3-yl)quinolin-4-yl)benzoate chemical structure
Custom Synthesis

methyl 4-(6-(5-(2,4-difluorophenylsulfonamido)-6-methoxypyridin-3-yl)quinolin-4-yl)benzoate

CAT No. CS-O-44969
CAS No. 1607009-13-1
Category Impurity
Parent API -
Formula C29H21F2N3O5S
Mol. Wt. 561.56
Methyl 4-(Cyanomethyl)benzoate chemical structure
Custom Synthesis

Methyl 4-(Cyanomethyl)benzoate

CAT No. CS-T-33472
CAS No. 76469-88-0
Category Impurity
Parent API Fexofenadine
Formula C10H9NO2
Mol. Wt. 175.19
Methyl 4-(morpholin-4-ylmethyl)benzoate chemical structure
Custom Synthesis

Methyl 4-(morpholin-4-ylmethyl)benzoate

CAT No. CS-M-50385
CAS No. 68453-56-5
Category Impurity
Parent API
Formula -
Mol. Wt.
Methyl 4-[(2R,4S)-4-ethoxy-2-piperidinyl]benzoate chemical structure
Custom Synthesis

Methyl 4-[(2R,4S)-4-ethoxy-2-piperidinyl]benzoate

CAT No. CS-O-51634
CAS No. 2408761-26-0
Category Impurity
Parent API Iptacopan
Formula C15H21NO3
Mol. Wt. 263.33
Methyl 4-[[2-(1-oxopropyl)phenyl]amino]-4-piperidinecarboxylate chemical structure
Custom Synthesis

Methyl 4-[[2-(1-oxopropyl)phenyl]amino]-4-piperidinecarboxylate

CAT No. CS-O-65877
CAS No. 958791-61-2
Category Impurity
Parent API
Formula C16H22N2O3
Mol. Wt. 290.36
methyl 4-[butanoyl(phenyl)amino]-1-(3-methoxy-3-oxopropyl)piperidine-4-carboxylate chemical structure
Custom Synthesis

methyl 4-[butanoyl(phenyl)amino]-1-(3-methoxy-3-oxopropyl)piperidine-4-carboxylate

CAT No. CS-O-38578
CAS No. -
Category Impurity
Parent API
Formula -
Mol. Wt. 390.47
Methyl 4-Bromocrotonate chemical structure
Custom Synthesis

Methyl 4-Bromocrotonate

CAT No. CS-T-33297
CAS No. 1117-71-1
Category Impurity
Parent API
Formula -
Mol. Wt.
Methyl 4-bromopicolinate chemical structure
Custom Synthesis

Methyl 4-bromopicolinate

CAT No. CS-M-47715
CAS No. 29681-42-3
Category Impurity
Parent API
Formula -
Mol. Wt.
Methyl 4-chloro-3-(chlorosulfonyl)thiophene-2-carboxylate chemical structure
Custom Synthesis

Methyl 4-chloro-3-(chlorosulfonyl)thiophene-2-carboxylate

CAT No. CS-EO-03984
CAS No. 937639-93-5
Category Impurity
Parent API -
Formula C6H4Cl2O4S2
Mol. Wt. 275.13
Methyl 4-chloro-3-(N-(2-methoxy-2-oxoethyl)sulfamoyl)thiophene-2-carboxylate chemical structure
Custom Synthesis

Methyl 4-chloro-3-(N-(2-methoxy-2-oxoethyl)sulfamoyl)thiophene-2-carboxylate

CAT No. CS-EO-03985
CAS No. 937645-42-6
Category Impurity
Parent API -
Formula C9H10ClNO6S2
Mol. Wt. 327.76
Methyl 4-chloro-3-oxopentanoate chemical structure
Custom Synthesis

Methyl 4-chloro-3-oxopentanoate

CAT No. CS-ED-02481
CAS No. 142556-36-3
Category Impurity
Parent API -
Formula C6H9ClO3
Mol. Wt. 164.59
Methyl 4-fluoro-1H-indole-2-carboxylate chemical structure
Custom Synthesis

Methyl 4-fluoro-1H-indole-2-carboxylate

CAT No. CS-M-27094
CAS No. 113162-36-0
Category Impurity
Parent API
Formula -
Mol. Wt.
methyl 4-fluoro-2-((1-(triisopropylsilyl)-1H-pyrrolo[2,3-b]pyridin-5-yl)oxy)benzoate chemical structure
Custom Synthesis

methyl 4-fluoro-2-((1-(triisopropylsilyl)-1H-pyrrolo[2,3-b]pyridin-5-yl)oxy)benzoate

CAT No. CS-O-54559
CAS No.
Category Impurity
Parent API -
Formula C24H31FN2O3Si
Mol. Wt. 442.61
methyl 4-isopropyl-3,5-dimethoxybenzoate chemical structure
Custom Synthesis

methyl 4-isopropyl-3,5-dimethoxybenzoate

CAT No. CS-O-38409
CAS No. 344396-17-4
Category Impurity
Parent API
Formula C13H18O4
Mol. Wt. 238.28

Impurity Products at Clearsynth

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