Website Header with Language Selector and Dropdowns
Type:Impurity Reference Standard
Total Products: 78
Inv. Status:

Apremilast Related Products
Cleanchem is a trusted provider of premium pharmaceutical reference materials, specializing in Apremilast and its associated compounds. Our catalog includes pharmacopeial and non-pharmacopeial Apremilast impurities, metabolites, nitrosamine derivatives (N-NO compounds), and stable isotope-labeled products. These reference standards play a critical role in pharmaceutical R&D, supporting activities such as product formulation, ANDA and DMF submissions, quality assurance, analytical method development, and stability assessments.
All Apremilast-related substances undergo comprehensive characterization and are delivered with complete Certificates of Analysis and supporting analytical documentation to ensure regulatory adherence. Upon request, we can offer EP/USP traceable standards. Our products are routinely re-evaluated to maintain consistent quality and performance.
Watermark
Apremilast
CAT No: CL-APR-01 CAS No: 608141-41-9 Mol Wt: 460.5 Mol F: C22H24N2O7S Inv Status: Custom Synthesis
Chemical Name: (S)-N-(2-(1-(3-Ethoxy-4-methoxyphenyl)-2-(methylsulfonyl)ethyl)-1,3-dioxoisoindolin-4-yl)acetamide
Watermark
Apremilast EP Impurity B
CAT No: CL-APR-02 CAS No: 15371-06-9 Mol Wt: 223.2 Mol F: C10H9NO5 Inv Status: Custom Synthesis
Chemical Name: 3-(Acetylamino)-1,2-benzenedicarboxylic Acid;
Watermark
Apremilast EP Impurity C
CAT No: CL-APR-03 CAS No: 2487573-02-2 Mol Wt: 431.5 Mol F: C21H21NO7S Inv Status: Custom Synthesis
Chemical Name: 4-Acetyl-2-(1-(3,4-dimethoxyphenyl)-2-(methylsulfonyl)ethyl)isoindoline-1,3-dione
Watermark
Apremilast EP Impurity D
CAT No: CL-APR-04 CAS No: 2448678-64-4 Mol Wt: 474.5 Mol F: C23H26N2O7S Inv Status: Custom Synthesis
Chemical Name: N-(2-(1-(3,4-Diethoxyphenyl)-2-(methylsulfonyl)ethyl)-1,3-dioxoisoindolin-4-yl)acetamide
Watermark
Apremilast EP Impurity E
CAT No: CL-APR-05 CAS No: 2487573-03-3 Mol Wt: 460.5 Mol F: C22H24N2O7S Inv Status: Custom Synthesis
Chemical Name: N-(2-(1-(4-Ethoxy-3-methoxyphenyl)-2-(methylsulfonyl)ethyl)-1,3-dioxoisoindolin-4-yl)acetamide
Watermark
Apremilast EP Impurity F
CAT No: CL-APR-06 CAS No: NA Mol Wt: 436.5 Mol F: C20H24N2O7S Inv Status: Custom Synthesis
Chemical Name: 2-Amino-6-((1-(3-ethoxy-4-methoxyphenyl)-2-(methylsulfonyl)ethyl)carbamoyl)benzoic acid
Watermark
Apremilast EP Impurity H
CAT No: CL-APR-07 CAS No: 253168-94-4 Mol Wt: 273.4 Mol F: C12H19NO4S Inv Status: Custom Synthesis
Chemical Name: 1-(3-Ethoxy-4-methoxyphenyl)-2-(methylsulfonyl)ethan-1-amine
Watermark
Apremilast Impurity 1
CAT No: CL-APR-08 CAS No: 608141-43-1 Mol Wt: 273.4 : 173.2 Mol F: C12H19NO4S : C8H15NO3 Inv Status: Custom Synthesis
Chemical Name: (S)-1-(3-Ethoxy-4-methoxyphenyl)-2-(methylsulfonyl)ethan-1-amine acetyl-L-leucinate
Watermark
Apremilast Impurity 2
CAT No: CL-APR-09 CAS No: 6296-53-3 Mol Wt: 205.2 Mol F: C10H7NO4 Inv Status: Custom Synthesis
Chemical Name: N-(1,3-Dioxo-1,3-dihydroisobenzofuran-4-yl)acetamide
Watermark
Apremilast Impurity 3
CAT No: CL-APR-10 CAS No: 2097600-16-1 Mol Wt: 315.4 Mol F: C14H21NO5S Inv Status: Custom Synthesis
Chemical Name: (S)-N-(1-(3-Ethoxy-4-methoxyphenyl)-2-(methylsulfonyl)ethyl)acetamide
Watermark
Apremilast Impurity 4
CAT No: CL-APR-11 CAS No: 1407140-51-5 Mol Wt: 428.5 Mol F: C20H32N2O6S Inv Status: Custom Synthesis
Chemical Name: (S)-2-Acetamido-N-((S)-1-(3-ethoxy-4-methoxyphenyl)-2-(methylsulfonyl)ethyl)-4-methylpentanamide
Watermark
Apremilast Impurity 5
CAT No: CL-APR-12 CAS No:  2095036-40-9 Mol Wt: 448.5 Mol F: C20H20N2O8S Inv Status: Custom Synthesis
Chemical Name: (S)-2-(1-(3-Ethoxy-4-methoxyphenyl)-2-(methylsulfonyl)ethyl)-4-nitroisoindoline-1,3-dione
Watermark
Apremilast Impurity 6
CAT No: CL-APR-13 CAS No: 1384967-20-7 Mol Wt: 432.5 Mol F: C20H20N2O7S Inv Status: Custom Synthesis
Chemical Name: (S)-N-(2-(1-(3-Hydroxy-4-methoxyphenyl)-2-(methylsulfonyl)ethyl)-1,3-dioxoisoindolin-4-yl)acetamide
Watermark
Apremilast Impurity 7
CAT No: CL-APR-14 CAS No: 1384441-38-6 Mol Wt: 446.5 Mol F: C21H22N2O7S Inv Status: Custom Synthesis
Chemical Name: (S)-N-(2-(1-(3-Ethoxy-4-hydroxyphenyl)-2-(methylsulfonyl)ethyl)-1,3-dioxoisoindolin-4-yl)acetamide
Watermark
Apremilast Impurity 8
CAT No: CL-APR-15 CAS No: 2096492-44-1 Mol Wt: 476.5 Mol F: C22H24N2O8S Inv Status: Custom Synthesis
Chemical Name: (S)-N-(2-(1-(3-Ethoxy-4-methoxyphenyl)-2-(methylsulfonyl)ethyl)-7-hydroxy-1,3-dioxoisoindolin-4-yl)acetamide
Watermark
Apremilast Impurity 9
CAT No: CL-APR-16 CAS No: 1831833-38-5 Mol Wt: 256.3 Mol F: C12H16O4S Inv Status: Custom Synthesis
Chemical Name: (E)-2-Ethoxy-1-methoxy-4-(2-(methylsulfonyl)vinyl)benzene
Watermark
Desacetyl Apremilast
CAT No: CL-APR-17 CAS No: 635705-72-5 Mol Wt: 418.5 Mol F: C20H22N2O6S Inv Status: In Stock
Chemical Name: (S)-4-Amino-2-(1-(3-ethoxy-4-methoxyphenyl)-2-(methylsulfonyl)ethyl)isoindoline-1,3-dione
Watermark
Apremilast R-Isomer
CAT No: CL-APR-18 CAS No:  608141-44-2 Mol Wt: 460.5 Mol F: C22H24N2O7S Inv Status: Custom Synthesis
Chemical Name: (R)-N-(2-(1-(3-Ethoxy-4-methoxyphenyl)-2-(methylsulfonyl)ethyl)-1,3-dioxoisoindolin-4-yl)acetamide
Watermark
Apremilast Dimer
CAT No: CL-APR-19 CAS No: 1802246-60-1 Mol Wt: 605.6 Mol F: C30H27N3O9S Inv Status: Custom Synthesis
Chemical Name: (S)-N-(2'-(1-(3-Ethoxy-4-methoxyphenyl)-2-(methylsulfonyl)ethyl)-1,1',3,3'-tetraoxo-[2,4'-biisoindolin]-4-yl)acetamide
Watermark
Apremilast Impurity 11
CAT No: CL-APR-20 CAS No: 1384439-80-8 Mol Wt: 376.4 Mol F: C17H16N2O6S Inv Status: Custom Synthesis
Chemical Name: (S)-4-Amino-2-(1-(3,4-dihydroxyphenyl)-2-(methylsulfonyl)ethyl)isoindoline-1,3-dione
Watermark
Apremilast Impurity 12
CAT No: CL-APR-21 CAS No: 1384440-16-7 Mol Wt: 404.4 Mol F: C19H20N2O6S Inv Status: Custom Synthesis
Chemical Name: (S)-4-Amino-2-(1-(3-ethoxy-4-hydroxyphenyl)-2-(methylsulfonyl)ethyl)isoindoline-1,3-dione
Watermark
Apremilast Impurity 13
CAT No: CL-APR-22 CAS No: 1384439-79-5 Mol Wt: 390.4 Mol F: C18H18N2O6S Inv Status: Custom Synthesis
Chemical Name: (S)-4-Amino-2-(1-(3-hydroxy-4-methoxyphenyl)-2-(methylsulfonyl)ethyl)isoindoline-1,3-dione
Watermark
Apremilast Impurity 15
CAT No: CL-APR-23 CAS No: NA Mol Wt: 477.5 : 23.0 Mol F: C22H25N2O8S : Na Inv Status: Custom Synthesis
Chemical Name: 2-(Acetylamino)-6-[[[(1S)-1-(3-ethoxy-4-methoxyphenyl)-2-(methylsulfonyl)ethyl]amino]carbonyl]-benzoic Acid
Watermark
Apremilast Impurity 16
CAT No: CL-APR-24 CAS No: 2096492-41-8 Mol Wt: 478.5 Mol F: C22H26N2O8S Inv Status: In Stock
Chemical Name: (S)-3-Acetamido-2-((1-(3-ethoxy-4-methoxyphenyl)-2-(methylsulfonyl)ethyl) carbamoyl)benzoic Acid
Watermark
Apremilast Impurity 17
CAT No: CL-APR-25 CAS No:  2487573-01-1 Mol Wt: 490.5 Mol F: C23H26N2O8S Inv Status: Custom Synthesis
Chemical Name: N-(2-(1-(3-Ethoxy-4-methoxyphenyl)-2-((2-hydroxyethyl)sulfonyl)ethyl)-1,3-dioxoisoindolin-4-yl)acetamide
Watermark
Apremilast Impurity 18
CAT No: CL-APR-26 CAS No: 2055542-18-0 Mol Wt: 274.3 Mol F: C12H18O5S Inv Status: Custom Synthesis
Chemical Name: 1-(3-Ethoxy-4-methoxyphenyl)-2-(methylsulfonyl)ethan-1-ol
Watermark
Apremilast Olifin Amine
CAT No: CL-APR-27 CAS No: 1450657-31-4 Mol Wt: 271.3 Mol F: C12H17NO4S Inv Status: Custom Synthesis
Chemical Name: (Z)-1-(3-Ethoxy-4-methoxyphenyl)-2-(methylsulfonyl)ethen-1-amine
Watermark
Apremilast Impurity 10
CAT No: CL-APR-28 CAS No: 608141-42-0 Mol Wt: 273.3 Mol F: C12H19NO4S Inv Status: Custom Synthesis
Chemical Name: (S)-1-(3-Ethoxy-4-methoxyphenyl)-2-(methylsulfonyl)ethan-1-amine
Watermark
Apremilast Des Oxo Impurity
CAT No: CL-APR-29 CAS No: NA Mol Wt: 933 Mol F: C45H48N4O14S2 Inv Status: Custom Synthesis
Chemical Name: N,N??((propane-1,3-diyldisulfonyl)bis(1-(3-ethoxy-4-methoxyphenyl)ethane-2,1-diyl))bis(1,3-dioxoisoindoline-2,4-diyl))diacetamide
Watermark
N-Deacetyl Apremilast
CAT No: CL-APR-30 CAS No: 253168-83-1 Mol Wt: 418.5 Mol F: C20H22N2O6S Inv Status: Custom Synthesis
Chemical Name: 4-Amino-2-(1-(3-ethoxy-4-methoxyphenyl)-2-(methylsulfonyl)ethyl)isoindoline-1,3-dione
Watermark
Apremilast 2-Acetamido Benzoic Acid Impurity
CAT No: CL-APR-31 CAS No: 1809170-71-5 Mol Wt: 478.5 Mol F: C22H26N2O8S Inv Status: In Stock
Chemical Name: (S)-2-Acetamido-6-((1-(3-ethoxy-4-methoxyphenyl)-2-(methylsulfonyl)ethyl) carbamoyl)benzoic Acid
Watermark
Apremilast Impurity 19
CAT No: CL-APR-32 CAS No: 52805-46-6 Mol Wt: 149.1 Mol F: C8H7NO2 Inv Status: Custom Synthesis
Chemical Name: 3-Hydroxy-4-methoxybenzonitrile
Watermark
Apremilast Impurity 20
CAT No: CL-APR-33 CAS No: NA Mol Wt: 418.5 Mol F: C20H22N2O6S Inv Status: Custom Synthesis
Chemical Name: (S)-5-Amino-2-(1-(3-ethoxy-4-methoxyphenyl)-2-(methylsulfonyl)ethyl)isoindoline-1,3-dione
Watermark
Apremilast Impurity 21
CAT No: CL-APR-34 CAS No: 60758-86-3 Mol Wt: 177.2 Mol F: C10H11NO2 Inv Status: Custom Synthesis
Chemical Name: 3-Ethoxy-4-methoxybenzonitrile
Watermark
Apremilast Form A
CAT No: CL-APR-37 CAS No: 608141-41-9 Mol Wt: 460.5 Mol F: C22H24N2O7S Inv Status: Custom Synthesis
Chemical Name: (S)-N-(2-(1-(3-Ethoxy-4-methoxyphenyl)-2-(methylsulfonyl)ethyl)-1,3-dioxoisoindolin-4-yl)acetamide (Form A)
Watermark
Apremilast Form B
CAT No: CL-APR-38 CAS No: 608141-41-9 Mol Wt: 460.5 Mol F: C22H24N2O7S Inv Status: Custom Synthesis
Chemical Name: (S)-N-(2-(1-(3-Ethoxy-4-methoxyphenyl)-2-(methylsulfonyl)ethyl)-1,3-dioxoisoindolin-4-yl)acetamide (Form B)
Watermark
5-Acetamide Apremilast
CAT No: CL-APR-39 CAS No: 2201974-01-6 Mol Wt: 460.5 Mol F: C22H24N2O7S Inv Status: Custom Synthesis
Chemical Name: (S)-N-(2-(1-(3-ethoxy-4-methoxyphenyl)-2-(methylsulfonyl)ethyl)-1,3-dioxoisoindolin-5-yl)acetamide
Watermark
Apremilast N-Formyl Impurity
CAT No: CL-APR-40 CAS No: 2077897-94-8 Mol Wt: 446.5 Mol F: C21H22N2O7S Inv Status: Custom Synthesis
Chemical Name: N-[2-[(1S)-1-(3-Ethoxy-4-methoxyphenyl)-2-(methylsulfonyl)ethyl]-2,3-dihydro-1,3-dioxo-1H-isoindol-4-yl]-formamide
Watermark
4-Hydroxy benzonitrile
CAT No: CL-APR-41 CAS No: 60758-79-4 Mol Wt: 163.2 Mol F: C9H9NO2 Inv Status: Custom Synthesis
Chemical Name: 4-Hydroxy benzonitrile
Watermark
Apremilast Impurity E
CAT No: CL-APR-42 CAS No: NA Mol Wt: 563.6 Mol F: C28H25N3O8S Inv Status: Custom Synthesis
Chemical Name: 4-Amino-2'-(1-(3-ethoxy-4-methoxyphenyl)-2-(methylsulfonyl)ethyl)-[2,4'-biisoindoline]-1,1',3,3'-tetraone
Watermark
Racemate Apremilast
CAT No: CL-APR-43 CAS No: 253168-86-4 Mol Wt: 460.5 Mol F: C22H24N2O7S Inv Status: Custom Synthesis
Chemical Name: N-(2-(1-(3-ethoxy-4-methoxyphenyl)-2-(methylsulfonyl)ethyl)-1,3-dioxoisoindolin-4-yl)acetamide
Watermark
O-Desmethyl Apremilast Glucuronide
CAT No: CL-APR-44 CAS No: 1384814-89-4 Mol Wt: 622.6 Mol F: C27H30N2O13S Inv Status: Custom Synthesis
Chemical Name: (2S,3S,4S,5R,6S)-6-(4-((S)-1-(4-Acetamido-1,3-dioxoisoindolin-2-yl)-2-(methylsulfonyl)ethyl)-2-ethoxyphenoxy)-3,4,5-trihydroxytetrahydro-2H-pyran-2-carboxylic acid
Watermark
Apremilast Impurity 14
CAT No: CL-APR-45 CAS No: 2487573-05-5 Mol Wt: 390.4 Mol F: C18H18N2O6S Inv Status: Custom Synthesis
Chemical Name: (S)-4-Amino-2-(1-(3-hydroxy-4-methoxyphenyl)-2-(methylsulfonyl)ethyl)isoindoline-1,3-dione
Watermark
Apremilast Impurity 22
CAT No: CL-APR-51 CAS No: 2077897-93-7 Mol Wt: 403.4 Mol F: C20H21NO6S Inv Status: Custom Synthesis
Chemical Name: (S)-2-(1-(3-ethoxy-4-methoxyphenyl)-2-(methylsulfonyl)ethyl)isoindoline-1,3-dione
Watermark
Apremilast Impurity 23
CAT No: CL-APR-52 CAS No: 2096492-43-0 Mol Wt: 476.5 Mol F: C22H24N2O8S Inv Status: Custom Synthesis
Chemical Name: (S)-N-(2-(1-(3-Ethoxy-4-methoxyphenyl)-2-(methylsulfonyl)ethyl)-5-hydroxy-1,3-dioxoisoindolin-4-yl)acetamide
Watermark
Apremilast Impurity 24
CAT No: CL-APR-53 CAS No: NA Mol Wt: 436.5 Mol F: C20H24N2O7S Inv Status: Custom Synthesis
Chemical Name: (S)-2-Amino-6-((1-(3-ethoxy-4-methoxyphenyl)-2-(methylsulfonyl)ethyl)carbamoyl)benzoic acid
Watermark
Apremilast Impurity 26
CAT No: CL-APR-54 CAS No: NA Mol Wt: 448.4 Mol F: C20H20N2O8S Inv Status: Custom Synthesis
Chemical Name: (S)-2-(1-(3-Ethoxy-4-methoxyphenyl)-2-(methylsulfonyl)ethyl)-5-nitroisoindoline-1,3-dione
Watermark
Apremilast Impurity 27
CAT No: CL-APR-55 CAS No: NA Mol Wt: 274.4 : 128.1 Mol F: C12H20NO4S : C5H6NO3 Inv Status: Custom Synthesis
Chemical Name: (S)-2-(3-Ethoxy-4-methoxyphenyl)-1-(methylsulfonyl)ethan-1-aminium (S)-5-oxopyrrolidine-2-carboxylate
Watermark
Apremilast Impurity 28
CAT No: CL-APR-56 CAS No: 1131-52-8 Mol Wt: 180.2 Mol F: C10H12O3 Inv Status: Custom Synthesis
Chemical Name: 3-Ethoxy-4-methoxybenzaldehyde
Watermark
Apremilast Impurity 29
CAT No: CL-APR-57 CAS No: NA Mol Wt: 368.3 Mol F: C18H12N2O7 Inv Status: Custom Synthesis
Chemical Name: 3-(4-Acetamido-1,3-dioxoisoindolin-2-yl)phthalic acid
Watermark
Apremilast Impurity 30
CAT No: CL-APR-58 CAS No: 136285-65-9 Mol Wt: 310.3 Mol F: C14H18N2O6 Inv Status: Custom Synthesis
Chemical Name: Ethyl 2-((tert-butoxycarbonyl)amino)-3-nitrobenzoate
Watermark
Apremilast Impurity 31
CAT No: CL-APR-59 CAS No: 1284768-38-2 Mol Wt: 287.4 Mol F: C13H21NO4S Inv Status: Custom Synthesis
Chemical Name: 1-(3,4-Diethoxyphenyl)-2-(methylsulfonyl)ethan-1-amine
Watermark
Apremilast Impurity 32
CAT No: CL-APR-60 CAS No: 1450657-28-9 Mol Wt: 272.3 Mol F: C12H16O5S Inv Status: Custom Synthesis
Chemical Name: 1-(3-Ethoxy-4-methoxyphenyl)-2-(methylsulfonyl)ethan-1-one
Watermark
Apremilast Impurity 33
CAT No: CL-APR-61 CAS No: 2489621-73-8 Mol Wt: 258.3 Mol F: C12H18O4S Inv Status: Custom Synthesis
Chemical Name: 2-Ethoxy-1-methoxy-4-(2-(methylsulfonyl)ethyl)benzene
Watermark
Apremilast Impurity 34
CAT No: CL-APR-62 CAS No: NA Mol Wt: 316.4 Mol F: C15H24O5S Inv Status: Custom Synthesis
Chemical Name: 2-Ethoxy-4-(1-isopropoxy-2-(methylsulfonyl)ethyl)-1-methoxybenzene
Watermark
Apremilast Impurity 35
CAT No: CL-APR-63 CAS No: NA Mol Wt: 302.3 Mol F: C13H18O6S Inv Status: Custom Synthesis
Chemical Name: 1-(3-Ethoxy-4-methoxyphenyl)-2-((2-hydroxyethyl)sulfonyl)ethan-1-one
Watermark
Apremilast Impurity 36
CAT No: CL-APR-64 CAS No: 2139236-60-3 Mol Wt: 271.3 Mol F: C12H17NO4S Inv Status: Custom Synthesis
Chemical Name: (Z)-1-(3-Ethoxy-4-methoxyphenyl)-2-(methylsulfonyl)ethen-1-amine
Watermark
Apremilast Impurity 37
CAT No: CL-APR-65 CAS No: 608142-27-4 Mol Wt: 273.3 Mol F: C12H19NO4S Inv Status: Custom Synthesis
Chemical Name: (R)-1-(3-Ethoxy-4-methoxyphenyl)-2-(methylsulfonyl)ethan-1-amine
Watermark
Apremilast Impurity 38
CAT No: CL-APR-66 CAS No: 2651-55-0 Mol Wt: 196.2 Mol F: C10H12O4 Inv Status: Custom Synthesis
Chemical Name: 3-Ethoxy-4-methoxybenzoic acid
Watermark
Apremilast Impurity 39
CAT No: CL-APR-67 CAS No: 1956-36-1 Mol Wt: 195.2 Mol F: C10H13NO3 Inv Status: Custom Synthesis
Chemical Name: (E)-3-Ethoxy-4-methoxybenzaldehyde oxime
Watermark
Apremilast Impurity 40
CAT No: CL-APR-68 CAS No: 60758-87-4 Mol Wt: 191.2 Mol F: C11H13NO2 Inv Status: Custom Synthesis
Chemical Name: 3,4-Diethoxybenzonitrile
Watermark
Apremilast Impurity 41
CAT No: CL-APR-69 CAS No: 247569-89-7 Mol Wt: 195.2 Mol F: C10H13NO3 Inv Status: Custom Synthesis
Chemical Name: 3-Ethoxy-4-methoxybenzamide
Watermark
Apremilast Impurity 42
CAT No: CL-APR-70 CAS No: 885268-06-4 Mol Wt: 273.3 Mol F: C12H19NO4S Inv Status: Custom Synthesis
Chemical Name: 1-(4-Ethoxy-3-methoxyphenyl)-2-(methylsulfonyl)ethan-1-amine
Watermark
Apremilast Impurity 43
CAT No: CL-APR-71 CAS No: 1255909-25-1 Mol Wt: 259.3 Mol F: C11H17NO4S Inv Status: Custom Synthesis
Chemical Name: 1-(3,4-Dimethoxyphenyl)-2-(methylsulfonyl)ethan-1-amine
Watermark
Apremilast Impurity 44
CAT No: CL-APR-72 CAS No: 1824587-85-0 Mol Wt: 231.3 Mol F: C9H13NO4S Inv Status: Custom Synthesis
Chemical Name: 4-(1-Amino-2-(methylsulfonyl)ethyl)benzene-1,2-diol
Watermark
Apremilast Impurity 45
CAT No: CL-APR-73 CAS No: NA Mol Wt: 436.5 Mol F: C20H24N2O7S Inv Status: Custom Synthesis
Chemical Name: (S)-3-Amino-2-((1-(3-ethoxy-4-methoxyphenyl)-2-(methylsulfonyl)ethyl)carbamoyl)benzoic acid
Watermark
Apremilast Impurity 46
CAT No: CL-APR-74 CAS No: 85-44-9 Mol Wt: 148.1 Mol F: C8H4O3 Inv Status: Custom Synthesis
Chemical Name: Isobenzofuran-1,3-dione
Watermark
Apremilast Impurity 47
CAT No: CL-APR-75 CAS No: 22235-04-7 Mol Wt: 205.2 Mol F: C10H7NO4 Inv Status: Custom Synthesis
Chemical Name: N-(1,3-Dioxo-1,3-dihydroisobenzofuran-5-yl)acetamide
Watermark
Apremilast Impurity 48
CAT No: CL-APR-76 CAS No: NA Mol Wt: 384.4 Mol F: C17H24N2O6S Inv Status: Custom Synthesis
Chemical Name: N-(1-(3-Ethoxy-4-methoxyphenyl)-2-(methylsulfonyl)ethyl)-5-oxopyrrolidine-2-carboxamide
Watermark
Apremilast Impurity 49
CAT No: CL-APR-77 CAS No: 253168-87-5 Mol Wt: 460.5 Mol F: C22H24N2O7S Inv Status: Custom Synthesis
Chemical Name: N-(2-(1-(3-ethoxy-4-methoxyphenyl)-2-(methylsulfonyl)ethyl)-1,3-dioxoisoindolin-5-yl)acetamide
Watermark
Apremilast Impurity 50
CAT No: CL-APR-78 CAS No: NA Mol Wt: 446.5 Mol F: C21H22N2O7S Inv Status: Custom Synthesis
Chemical Name: N-(1-(1-(3-Ethoxy-4-methoxyphenyl)-2-(methylsulfonyl)ethyl)-2,3-dioxoindolin-4-yl)formamide
Watermark
Apremilast Impurity 51
CAT No: CL-APR-79 CAS No: NA Mol Wt: 436.5 Mol F: C20H24N2O7S Inv Status: Custom Synthesis
Chemical Name: 3-amino-2-((1-(3-ethoxy-4-methoxyphenyl)-2-(methylsulfonyl)ethyl)carbamoyl)benzoic acid
Watermark
Apremilast Impurity 52
CAT No: CL-APR-80 CAS No: 2438558-63-3 Mol Wt: 446.5 Mol F: C21H22N2O7S Inv Status: Custom Synthesis
Chemical Name: N-(2-(1-(3,4-dimethoxyphenyl)-2-(methylsulfonyl)ethyl)-1,3-dioxoisoindolin-4-yl)acetamide
Watermark
Apremilast Impurity 53
CAT No: CL-APR-81 CAS No: 253168-79-5 Mol Wt: 403.4 Mol F: C20H21NO6S Inv Status: Custom Synthesis
Chemical Name: 2-(1-(3-ethoxy-4-methoxyphenyl)-2-(methylsulfonyl)ethyl)isoindoline-1,3-dione
Watermark
Apremilast Impurity 54
CAT No: CL-APR-82 CAS No: 67614-42-0 Mol Wt: 223.2 Mol F: C10H9NO5 Inv Status: Custom Synthesis
Chemical Name: 4-Acetamidophthalic acid
Watermark
Apremilast Impurity 55
CAT No: CL-APR-83 CAS No: 1715011-38-3 Mol Wt: 271.3 Mol F: C12H17NO4S Inv Status: Custom Synthesis
Chemical Name: (E)-1-(3-Ethoxy-4-methoxyphenyl)-2-(methylsulfonyl)ethen-1-amine
Watermark
Apremilast D5
CAT No: CL-APR-84 CAS No: 1258597-47-5 Mol Wt: 465.5 Mol F: C22H19D5N2O7S Inv Status: Custom Synthesis
Chemical Name: (S)-N-(2-(1-(3-(Ethoxy-d5)-4-methoxyphenyl)-2-(methylsulfonyl)ethyl)-1,3-dioxoisoindolin-4-yl)acetamide
Watermark
Apremilast D8
CAT No: CL-APR-85 CAS No: 1258597-45-3 Mol Wt: 468.6 Mol F: C22H16D8N2O7S Inv Status: Custom Synthesis
Chemical Name: (S)-N-(2-(1-(3-(Ethoxy-d5)-4-(methoxy-d3)phenyl)-2-(methylsulfonyl)ethyl)-1,3-dioxoisoindolin-4-yl)acetamide

info@cleanchemlab.com

+91-9324024871

Products

API Intermediates & KSM
Bile Acid Salts
Common Nitrosamines
Impurity Reference Standard
Miscalleneous Impurities
Nitrosamines & NDSRI
Peptides
Pharma Ingredients & Specialty Chemicals

Popular Links

Home About Us Our Services Contact Us
Address(India):

Plot No. A-737/2, TTC Industrial area,
MIDC, Kopar Khairne, Navi Mumbai, INDIA, 400710

           
Address(Bangladesh):

House No. - 12, Road No. - 17, Nikunja -2,
Khilkhet, Dhaka-1230, Bangladesh.

Subscribe for news letter:
  

© Cleanchem Laboratories LLP. All Rights Reserved.