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Categories / Impurity

Impurity Products

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

Showing 20113-20136 of 27558 products
All In Stock Custom Synthesis
Methsuximide chemical structure
Custom Synthesis

Methsuximide

CAT No. CS-T-32947
CAS No. 77-41-8
Category Impurity
Parent API
Formula -
Mol. Wt.
Methsuximide 1,3,3,4-Tetra Methyl Isomer chemical structure
Custom Synthesis

Methsuximide 1,3,3,4-Tetra Methyl Isomer

CAT No. CS-O-56614
CAS No. 19362-50-6
Category Impurity
Parent API Methsuximide
Formula C14H17NO2
Mol. Wt. 231.29
methyl (1R,2R,5S)-6,6-dimethyl-3-azabicyclo[3.1.0]hexane-2-carboxylate chemical structure
Custom Synthesis

methyl (1R,2R,5S)-6,6-dimethyl-3-azabicyclo[3.1.0]hexane-2-carboxylate

CAT No. CS-O-51188
CAS No. 1932411-98-7
Category Impurity
Parent API -
Formula -
Mol. Wt. -
Methyl (1S)-(+)-10-Camphorsulfonate chemical structure
Custom Synthesis

Methyl (1S)-(+)-10-Camphorsulfonate

CAT No. CS-T-58066
CAS No. 62319-13-5
Category Impurity
Parent API Voriconazole
Formula C11H18O4S
Mol. Wt. 246.3
methyl (1S,2R,5R)-6,6-dimethyl-3-azabicyclo[3.1.0]hexane-2-carboxylate chemical structure
Custom Synthesis

methyl (1S,2R,5R)-6,6-dimethyl-3-azabicyclo[3.1.0]hexane-2-carboxylate

CAT No. CS-O-48553
CAS No. 943516-62-9
Category Impurity
Parent API Nirmatrelvir
Formula C9H15NO2
Mol. Wt. 169.22
methyl (1S,2S,5R)-6,6-dimethyl-3-azabicyclo[3.1.0]hexane-2-carboxylate chemical structure
Custom Synthesis

methyl (1S,2S,5R)-6,6-dimethyl-3-azabicyclo[3.1.0]hexane-2-carboxylate

CAT No. CS-O-51187
CAS No. 1932478-97-1
Category Impurity
Parent API -
Formula -
Mol. Wt. -
Methyl (2S)-2-amino-2-(4-hydroxyphenyl)acetate Hydrochloride chemical structure
Custom Synthesis

Methyl (2S)-2-amino-2-(4-hydroxyphenyl)acetate Hydrochloride

CAT No. CS-T-94017
CAS No. 127369-30-6
Category Impurity
Parent API Amoxicillin Trihydrate
Formula C9H12ClNO3
Mol. Wt. 217.65
Methyl (2S)-5-amino-3,4-dihydro-2H-pyrrole-2-carboxylate hydrochloride chemical structure
Custom Synthesis

Methyl (2S)-5-amino-3,4-dihydro-2H-pyrrole-2-carboxylate hydrochloride

CAT No. CS-O-54834
CAS No. 110971-80-7
Category Impurity
Parent API -
Formula C6H12ClN2O2
Mol. Wt. 178.62
Methyl (2Z)-2-(acetylamino)-3-(biphenyl-4-yl)-2-propenoate chemical structure
Custom Synthesis

Methyl (2Z)-2-(acetylamino)-3-(biphenyl-4-yl)-2-propenoate

CAT No. CS-O-47555
CAS No. 556828-95-6
Category Impurity
Parent API Sacubitril
Formula C18H17NO3
Mol. Wt. 295.3
methyl (4R)-4-((3R,5S,8S,9S,10R,13R,14S,17R)-3-hydroxy-6-(1-hydroxyethyl)-10,13-dimethyl-7-oxohexade chemical structure
Custom Synthesis

methyl (4R)-4-((3R,5S,8S,9S,10R,13R,14S,17R)-3-hydroxy-6-(1-hydroxyethyl)-10,13-dimethyl-7-oxohexade

CAT No. CS-O-33342
CAS No. -
Category Impurity
Parent API
Formula C27H44O5
Mol. Wt. 448.64
Methyl (4R)-4-[(3R,5R,6Z,8S,9S,10R,13R,14S,17R)-6-ethylidene-3-hydroxy-10,13-dimethyl-7-oxo-2,3,4,5, chemical structure
Custom Synthesis

Methyl (4R)-4-[(3R,5R,6Z,8S,9S,10R,13R,14S,17R)-6-ethylidene-3-hydroxy-10,13-dimethyl-7-oxo-2,3,4,5,

CAT No. CS-ZH-31278
CAS No. 863239-59-2
Category Impurity
Parent API
Formula C27H42O4
Mol. Wt. 430.6 g/mol
Methyl (E)-3-methoxy-2-[2-oxo-6-(trifluoromethyl)pyridine-1-yl(oxymethylphenyl) acrylate chemical structure
Custom Synthesis

Methyl (E)-3-methoxy-2-[2-oxo-6-(trifluoromethyl)pyridine-1-yl(oxymethylphenyl) acrylate

CAT No. CS-T-93809
CAS No. -
Category Impurity
Parent API Picoxystrobin
Formula C18H14F3NO5
Mol. Wt. 381.30
Methyl (R)-(+)-lactate chemical structure
Custom Synthesis

Methyl (R)-(+)-lactate

CAT No. CS-T-34176
CAS No. 17392-83-5
Category Impurity
Parent API D-Lactic acid
Formula C4H8O3
Mol. Wt. 104.10
Methyl (R)-1,4-(di-Boc)-piperazine-2-carboxylate chemical structure
Custom Synthesis

Methyl (R)-1,4-(di-Boc)-piperazine-2-carboxylate

CAT No. CS-MM-86038
CAS No. 637027-24-8
Category Impurity
Parent API
Formula -
Mol. Wt. 344.41
Methyl (R)-3-(3-(2,4-dihydroxy-3,3-dimethylbutanamido)propanamido)propanoate chemical structure
Custom Synthesis

Methyl (R)-3-(3-(2,4-dihydroxy-3,3-dimethylbutanamido)propanamido)propanoate

CAT No. CS-O-51935
CAS No. -
Category Impurity
Parent API Pantothenate
Formula C13H24N2O6
Mol. Wt. 304.34
Methyl (R)-3-Hydroxybutyrate chemical structure
Custom Synthesis

Methyl (R)-3-Hydroxybutyrate

CAT No. CS-T-33998
CAS No. 3976-69-0
Category Impurity
Parent API
Formula -
Mol. Wt.
methyl (R)-4-((3R,5R,8S,9S,10R,13R,14S,17R)-3-acetoxy-6-ethylidene-10,13-dimethyl-7-oxohexadecahydro chemical structure
Custom Synthesis

methyl (R)-4-((3R,5R,8S,9S,10R,13R,14S,17R)-3-acetoxy-6-ethylidene-10,13-dimethyl-7-oxohexadecahydro

CAT No. CS-O-33347
CAS No. -
Category Impurity
Parent API
Formula C29H44O5
Mol. Wt. 472.66
methyl (R)-4-((3R,5R,8S,9S,10R,13R,14S,17R)-6-ethylidene-3-hydroxy-10,13-dimethyl-7-oxohexadecahydro chemical structure
Custom Synthesis

methyl (R)-4-((3R,5R,8S,9S,10R,13R,14S,17R)-6-ethylidene-3-hydroxy-10,13-dimethyl-7-oxohexadecahydro

CAT No. CS-O-33346
CAS No. -
Category Impurity
Parent API
Formula C27H42O4
Mol. Wt. 430.62
methyl (R)-4-((5R,8S,9S,10R,13R,14S,17R)-6-ethylidene-10,13-dimethyl-3,7-dioxohexadecahydro-1H-cyclo chemical structure
Custom Synthesis

methyl (R)-4-((5R,8S,9S,10R,13R,14S,17R)-6-ethylidene-10,13-dimethyl-3,7-dioxohexadecahydro-1H-cyclo

CAT No. CS-O-33345
CAS No. -
Category Impurity
Parent API
Formula C27H40O4
Mol. Wt.
Methyl (R)-5-(2-(tert-butylamino)-1-hydroxyethyl)-2-hydroxybenzoate chemical structure
Custom Synthesis

Methyl (R)-5-(2-(tert-butylamino)-1-hydroxyethyl)-2-hydroxybenzoate

CAT No. CS-O-59378
CAS No. 165882-33-7
Category Impurity
Parent API Levalbuterol
Formula C14H21NO4
Mol. Wt. 267.33
methyl (S)-2-(bis(2-(thiophen-2-yl)ethyl)amino)-2-(2-chlorophenyl)acetate chemical structure
Custom Synthesis

methyl (S)-2-(bis(2-(thiophen-2-yl)ethyl)amino)-2-(2-chlorophenyl)acetate

CAT No. CS-O-45440
CAS No. 2173294-66-9
Category Impurity
Parent API
Formula C21H22ClNO2S2
Mol. Wt. 419.99
Methyl (S)-Pyroglutamate chemical structure
Custom Synthesis

Methyl (S)-Pyroglutamate

CAT No. CS-T-34776
CAS No. 4931-66-2
Category Impurity
Parent API
Formula C6H9NO3
Mol. Wt. 143.14 mol/g
Methyl (Z)-2-(2-chlorobenzylidene)-4-(2-(1,3-dioxoisoindolin-2-yl)ethoxy)-3-oxobutanoate chemical structure
Custom Synthesis

Methyl (Z)-2-(2-chlorobenzylidene)-4-(2-(1,3-dioxoisoindolin-2-yl)ethoxy)-3-oxobutanoate

CAT No. CS-O-54066
CAS No.
Category Impurity
Parent API -
Formula C22H18ClNO6
Mol. Wt. 427.83
methyl (Z)-2-benzamido-3-(7-methyl-1H-indazol-5-yl)acrylate chemical structure
Custom Synthesis

methyl (Z)-2-benzamido-3-(7-methyl-1H-indazol-5-yl)acrylate

CAT No. CS-O-61311
CAS No. 2935939-83-4
Category Impurity
Parent API Zavegepant
Formula C19H17N3O3
Mol. Wt. 335.36

Impurity Products at Clearsynth

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