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Pharmaceutical Reference Standards

Apremilast

Picture of Apremilast
CAT No: SZ-A051001
CAS No: 608141-41-9
Mol.F. : C22H24N2O7S
Mol.Wt. : 460.5
Inv. Status: In Stock
SZ-A051001
CAS No:608141-41-9
Mol.F.: C22H24N2O7S
Mol.Wt.: 460.5
Inv. Status: In Stock

Apremilast EP Impurity B

Picture of Apremilast EP Impurity B
CAT No: SZ-A051003
CAS No: 15371-06-9
Mol.F. : C10H9NO5
Mol.Wt. : 223.2
Inv. Status: In Stock
SZ-A051003
CAS No:15371-06-9
Mol.F.: C10H9NO5
Mol.Wt.: 223.2
Inv. Status: In Stock

Apremilast EP Impurity C

Picture of Apremilast EP Impurity C
CAT No: SZ-A051004
CAS No: 2487573-02-2
Mol.F. : C21H21NO7S
Mol.Wt. : 431.5
Inv. Status: Custom Synthesis
SZ-A051004
CAS No:2487573-02-2
Mol.F.: C21H21NO7S
Mol.Wt.: 431.5
Inv. Status: Custom Synthesis

Apremilast EP Impurity D

Picture of Apremilast EP Impurity D
CAT No: SZ-A051005
CAS No: 2448678-64-4
Mol.F. : C23H26N2O7S
Mol.Wt. : 474.5
Inv. Status: Under Synthesis
SZ-A051005
CAS No:2448678-64-4
Mol.F.: C23H26N2O7S
Mol.Wt.: 474.5
Inv. Status: Under Synthesis

Apremilast EP Impurity E

Picture of Apremilast EP Impurity E
CAT No: SZ-A051006
CAS No: 2487573-03-3
Mol.F. : C22H24N2O7S
Mol.Wt. : 460.5
Inv. Status: Custom Synthesis
SZ-A051006
CAS No:2487573-03-3
Mol.F.: C22H24N2O7S
Mol.Wt.: 460.5
Inv. Status: Custom Synthesis

Apremilast EP Impurity F

Picture of Apremilast EP Impurity F
CAT No: SZ-A051007
CAS No: NA
Mol.F. : C20H24N2O7S
Mol.Wt. : 436.5
Inv. Status: Custom Synthesis
SZ-A051007
CAS No:NA
Mol.F.: C20H24N2O7S
Mol.Wt.: 436.5
Inv. Status: Custom Synthesis

Apremilast EP Impurity H

Picture of Apremilast EP Impurity H
CAT No: SZ-A051009
CAS No: 253168-94-4
Mol.F. : C12H19NO4S
Mol.Wt. : 273.4
Inv. Status: In Stock
SZ-A051009
CAS No:253168-94-4
Mol.F.: C12H19NO4S
Mol.Wt.: 273.4
Inv. Status: In Stock

Apremilast Impurity 1

Picture of Apremilast Impurity 1
CAT No: SZ-A051010
CAS No: 608141-43-1
Mol.F. : C12H19NO4S : C8H15NO3
Mol.Wt. : 273.4 : 173.2
Inv. Status: In Stock
SZ-A051010
CAS No:608141-43-1
Mol.F.: C12H19NO4S : C8H15NO3
Mol.Wt.: 273.4 : 173.2
Inv. Status: In Stock

Apremilast Impurity 2

Picture of Apremilast Impurity 2
CAT No: SZ-A051011
CAS No: 6296-53-3
Mol.F. : C10H7NO4
Mol.Wt. : 205.2
Inv. Status: In Stock
SZ-A051011
CAS No:6296-53-3
Mol.F.: C10H7NO4
Mol.Wt.: 205.2
Inv. Status: In Stock

Apremilast Impurity 3

Picture of Apremilast Impurity 3
CAT No: SZ-A051012
CAS No: 2097600-16-1
Mol.F. : C14H21NO5S
Mol.Wt. : 315.4
Inv. Status: In Stock
SZ-A051012
CAS No:2097600-16-1
Mol.F.: C14H21NO5S
Mol.Wt.: 315.4
Inv. Status: In Stock

Apremilast Impurity 4

Picture of Apremilast Impurity 4
CAT No: SZ-A051013
CAS No: 1407140-51-5
Mol.F. : C20H32N2O6S
Mol.Wt. : 428.5
Inv. Status: In Stock
SZ-A051013
CAS No:1407140-51-5
Mol.F.: C20H32N2O6S
Mol.Wt.: 428.5
Inv. Status: In Stock

Apremilast Impurity 5

Picture of Apremilast Impurity 5
CAT No: SZ-A051014
CAS No: 2095036-40-9
Mol.F. : C20H20N2O8S
Mol.Wt. : 448.5
Inv. Status: In Stock
SZ-A051014
CAS No:2095036-40-9
Mol.F.: C20H20N2O8S
Mol.Wt.: 448.5
Inv. Status: In Stock

Apremilast Impurity 6

Picture of Apremilast Impurity 6
CAT No: SZ-A051015
CAS No: 1384967-20-7
Mol.F. : C20H20N2O7S
Mol.Wt. : 432.5
Inv. Status: In Stock
SZ-A051015
CAS No:1384967-20-7
Mol.F.: C20H20N2O7S
Mol.Wt.: 432.5
Inv. Status: In Stock

Apremilast Impurity 7

Picture of Apremilast Impurity 7
CAT No: SZ-A051016
CAS No: 1384441-38-6
Mol.F. : C21H22N2O7S
Mol.Wt. : 446.5
Inv. Status: In Stock
SZ-A051016
CAS No:1384441-38-6
Mol.F.: C21H22N2O7S
Mol.Wt.: 446.5
Inv. Status: In Stock

Apremilast Impurity 8

Picture of Apremilast Impurity 8
CAT No: SZ-A051017
CAS No: 2096492-44-1
Mol.F. : C22H24N2O8S
Mol.Wt. : 476.5
Inv. Status: In Stock
SZ-A051017
CAS No:2096492-44-1
Mol.F.: C22H24N2O8S
Mol.Wt.: 476.5
Inv. Status: In Stock

Apremilast Impurity 9

Picture of Apremilast Impurity 9
CAT No: SZ-A051018
CAS No: 1831833-38-5
Mol.F. : C12H16O4S
Mol.Wt. : 256.3
Inv. Status: In Stock
SZ-A051018
CAS No:1831833-38-5
Mol.F.: C12H16O4S
Mol.Wt.: 256.3
Inv. Status: In Stock

Desacetyl Apremilast

Picture of Desacetyl Apremilast
CAT No: SZ-A051019
CAS No: 635705-72-5
Mol.F. : C20H22N2O6S
Mol.Wt. : 418.5
Inv. Status: In Stock
SZ-A051019
CAS No:635705-72-5
Mol.F.: C20H22N2O6S
Mol.Wt.: 418.5
Inv. Status: In Stock

Apremilast R-Isomer

Picture of Apremilast R-Isomer
CAT No: SZ-A051020
CAS No: 608141-44-2
Mol.F. : C22H24N2O7S
Mol.Wt. : 460.5
Inv. Status: In Stock
SZ-A051020
CAS No:608141-44-2
Mol.F.: C22H24N2O7S
Mol.Wt.: 460.5
Inv. Status: In Stock

Apremilast Dimer

Picture of Apremilast Dimer
CAT No: SZ-A051021
CAS No: 1802246-60-1
Mol.F. : C30H27N3O9S
Mol.Wt. : 605.6
Inv. Status: In Stock
SZ-A051021
CAS No:1802246-60-1
Mol.F.: C30H27N3O9S
Mol.Wt.: 605.6
Inv. Status: In Stock

Apremilast Impurity 11

Picture of Apremilast Impurity 11
CAT No: SZ-A051022
CAS No: 1384439-80-8
Mol.F. : C17H16N2O6S
Mol.Wt. : 376.4
Inv. Status: In Stock
SZ-A051022
CAS No:1384439-80-8
Mol.F.: C17H16N2O6S
Mol.Wt.: 376.4
Inv. Status: In Stock

Apremilast Impurity 12

Picture of Apremilast Impurity 12
CAT No: SZ-A051023
CAS No: 1384440-16-7
Mol.F. : C19H20N2O6S
Mol.Wt. : 404.4
Inv. Status: In Stock
SZ-A051023
CAS No:1384440-16-7
Mol.F.: C19H20N2O6S
Mol.Wt.: 404.4
Inv. Status: In Stock

Apremilast Impurity 13

Picture of Apremilast Impurity 13
CAT No: SZ-A051024
CAS No: 1384439-79-5
Mol.F. : C19H18N2O7S
Mol.Wt. : 418.4
Inv. Status: In Stock
SZ-A051024
CAS No:1384439-79-5
Mol.F.: C19H18N2O7S
Mol.Wt.: 418.4
Inv. Status: In Stock

Apremilast Impurity 14

Picture of Apremilast Impurity 14
CAT No: SZ-A051025
CAS No: 2487573-05-5
Mol.F. : C18H18N2O6S
Mol.Wt. : 390.4
Inv. Status: In Stock
SZ-A051025
CAS No:2487573-05-5
Mol.F.: C18H18N2O6S
Mol.Wt.: 390.4
Inv. Status: In Stock

Apremilast Impurity 15

Picture of Apremilast Impurity 15
CAT No: SZ-A051026
CAS No: NA
Mol.F. : C22H25N2O8S : Na
Mol.Wt. : 477.5 : 23.0
Inv. Status: Custom Synthesis
SZ-A051026
CAS No:NA
Mol.F.: C22H25N2O8S : Na
Mol.Wt.: 477.5 : 23.0
Inv. Status: Custom Synthesis

Apremilast Impurity 16

Picture of Apremilast Impurity 16
CAT No: SZ-A051027
CAS No: 2096492-41-8
Mol.F. : C22H26N2O8S
Mol.Wt. : 478.5
Inv. Status: Out of Stock, Under Synthesis
SZ-A051027
CAS No:2096492-41-8
Mol.F.: C22H26N2O8S
Mol.Wt.: 478.5
Inv. Status: Out of Stock, Under Synthesis

Apremilast Impurity 17

Picture of Apremilast Impurity 17
CAT No: SZ-A051028
CAS No: 2487573-01-1
Mol.F. : C23H26N2O8S
Mol.Wt. : 490.5
Inv. Status: Custom Synthesis
SZ-A051028
CAS No:2487573-01-1
Mol.F.: C23H26N2O8S
Mol.Wt.: 490.5
Inv. Status: Custom Synthesis

Apremilast Impurity 18

Picture of Apremilast Impurity 18
CAT No: SZ-A051029
CAS No: 2055542-18-0
Mol.F. : C12H18O5S
Mol.Wt. : 274.3
Inv. Status: In Stock
SZ-A051029
CAS No:2055542-18-0
Mol.F.: C12H18O5S
Mol.Wt.: 274.3
Inv. Status: In Stock

Apremilast Olifin Amine

Picture of Apremilast Olifin Amine
CAT No: SZ-A051030
CAS No: 1450657-31-4
Mol.F. : C12H17NO4S
Mol.Wt. : 271.3
Inv. Status: In Stock
SZ-A051030
CAS No:1450657-31-4
Mol.F.: C12H17NO4S
Mol.Wt.: 271.3
Inv. Status: In Stock

Apremilast Impurity 10

Picture of Apremilast Impurity 10
CAT No: SZ-A051031
CAS No: 608141-42-0
Mol.F. : C12H19NO4S
Mol.Wt. : 273.3
Inv. Status: In Stock
SZ-A051031
CAS No:608141-42-0
Mol.F.: C12H19NO4S
Mol.Wt.: 273.3
Inv. Status: In Stock

Apremilast Des Oxo Impurity

Picture of Apremilast Des Oxo Impurity
CAT No: SZ-A051032
CAS No: NA
Mol.F. : C45H48N4O14S2
Mol.Wt. : 933
Inv. Status: Custom Synthesis
SZ-A051032
CAS No:NA
Mol.F.: C45H48N4O14S2
Mol.Wt.: 933
Inv. Status: Custom Synthesis

N-Deacetyl Apremilast

Picture of N-Deacetyl Apremilast
CAT No: SZ-A051033
CAS No: 253168-83-1
Mol.F. : C20H22N2O6S
Mol.Wt. : 418.5
Inv. Status: Custom Synthesis
SZ-A051033
CAS No:253168-83-1
Mol.F.: C20H22N2O6S
Mol.Wt.: 418.5
Inv. Status: Custom Synthesis

Apremilast 2-Acetamido Benzoic Acid Imurity

Picture of Apremilast 2-Acetamido Benzoic Acid Imurity
CAT No: SZ-A051034
CAS No: 1809170-71-5
Mol.F. : C22H26N2O8S
Mol.Wt. : 478.5
Inv. Status: In Stock
SZ-A051034
CAS No:1809170-71-5
Mol.F.: C22H26N2O8S
Mol.Wt.: 478.5
Inv. Status: In Stock

Apremilast Impurity 19

Picture of Apremilast Impurity 19
CAT No: SZ-A051035
CAS No: 52805-46-6
Mol.F. : C8H7NO2
Mol.Wt. : 149.1
Inv. Status: Custom Synthesis
SZ-A051035
CAS No:52805-46-6
Mol.F.: C8H7NO2
Mol.Wt.: 149.1
Inv. Status: Custom Synthesis

Apremilast Impurity 20

Picture of Apremilast Impurity 20
CAT No: SZ-A051036
CAS No: NA
Mol.F. : C20H22N2O6S
Mol.Wt. : 418.5
Inv. Status: In Stock
SZ-A051036
CAS No:NA
Mol.F.: C20H22N2O6S
Mol.Wt.: 418.5
Inv. Status: In Stock

Apremilast Impurity 21

Picture of Apremilast Impurity 21
CAT No: SZ-A051037
CAS No: 60758-86-3
Mol.F. : C10H11NO2
Mol.Wt. : 177.2
Inv. Status: Custom Synthesis
SZ-A051037
CAS No:60758-86-3
Mol.F.: C10H11NO2
Mol.Wt.: 177.2
Inv. Status: Custom Synthesis

Apremilast Impurity 22

Picture of Apremilast Impurity 22
CAT No: SZ-A051038
CAS No: 2077897-93-7
Mol.F. : C20H21NO6S
Mol.Wt. : 403.4
Inv. Status: In Stock
SZ-A051038
CAS No:2077897-93-7
Mol.F.: C20H21NO6S
Mol.Wt.: 403.4
Inv. Status: In Stock

Apremilast Impurity 23

Picture of Apremilast Impurity 23
CAT No: SZ-A051039
CAS No: 2096492-43-0
Mol.F. : C22H24N2O8S
Mol.Wt. : 476.5
Inv. Status: Under Synthesis
SZ-A051039
CAS No:2096492-43-0
Mol.F.: C22H24N2O8S
Mol.Wt.: 476.5
Inv. Status: Under Synthesis

Apremilast Impurity 24

Picture of Apremilast Impurity 24
CAT No: SZ-A051040
CAS No: NA
Mol.F. : C20H24N2O7S
Mol.Wt. : 436.5
Inv. Status: Custom Synthesis
SZ-A051040
CAS No:NA
Mol.F.: C20H24N2O7S
Mol.Wt.: 436.5
Inv. Status: Custom Synthesis

Apremilast Impurity 25

Picture of Apremilast Impurity 25
CAT No: SZ-A051041
CAS No: 2201974-01-6
Mol.F. : C22H24N2O7S
Mol.Wt. : 460.5
Inv. Status: In Stock
SZ-A051041
CAS No:2201974-01-6
Mol.F.: C22H24N2O7S
Mol.Wt.: 460.5
Inv. Status: In Stock

Apremilast N-formyl impurity

Picture of Apremilast N-formyl impurity
CAT No: SZ-A051042
CAS No: 2077897-94-8
Mol.F. : C21H22N2O7S
Mol.Wt. : 446.5
Inv. Status: In Stock
SZ-A051042
CAS No:2077897-94-8
Mol.F.: C21H22N2O7S
Mol.Wt.: 446.5
Inv. Status: In Stock

3-Nitrophthalic Acid

Picture of 3-Nitrophthalic Acid
CAT No: SZ-A051043
CAS No: 603-11-2
Mol.F. : C8H5NO6
Mol.Wt. : 211.1
Inv. Status: In Stock
SZ-A051043
CAS No:603-11-2
Mol.F.: C8H5NO6
Mol.Wt.: 211.1
Inv. Status: In Stock

Apremilast Impurity E

Picture of Apremilast Impurity E
CAT No: SZ-A051044
CAS No: NA
Mol.F. : C28H25N3O8S
Mol.Wt. : 563.6
Inv. Status: Custom Synthesis
SZ-A051044
CAS No:NA
Mol.F.: C28H25N3O8S
Mol.Wt.: 563.6
Inv. Status: Custom Synthesis

Apremilast Impurity 26

Picture of Apremilast Impurity 26
CAT No: SZ-A051045
CAS No: NA
Mol.F. : C20H20N2O8S
Mol.Wt. : 448.4
Inv. Status: In Stock
SZ-A051045
CAS No:NA
Mol.F.: C20H20N2O8S
Mol.Wt.: 448.4
Inv. Status: In Stock

Apremilast Impurity 27

Picture of Apremilast Impurity 27
CAT No: SZ-A051046
CAS No: NA
Mol.F. : C12H20NO4S : C5H6NO3
Mol.Wt. : 274.4 : 128.1
Inv. Status: Custom Synthesis
SZ-A051046
CAS No:NA
Mol.F.: C12H20NO4S : C5H6NO3
Mol.Wt.: 274.4 : 128.1
Inv. Status: Custom Synthesis

Apremilast Impurity 28

Picture of Apremilast Impurity 28
CAT No: SZ-A051049
CAS No: 1131-52-8
Mol.F. : C10H12O3
Mol.Wt. : 180.2
Inv. Status: Custom Synthesis
SZ-A051049
CAS No:1131-52-8
Mol.F.: C10H12O3
Mol.Wt.: 180.2
Inv. Status: Custom Synthesis

Apremilast Impurity 29

Picture of Apremilast Impurity 29
CAT No: SZ-A051052
CAS No: NA
Mol.F. : C18H12N2O7
Mol.Wt. : 368.3
Inv. Status: Custom Synthesis
SZ-A051052
CAS No:NA
Mol.F.: C18H12N2O7
Mol.Wt.: 368.3
Inv. Status: Custom Synthesis

Stable Isotopes and Metabolites

Apremilast D5

Picture of Apremilast D5
CAT No: SZ-A051D01
CAS No: 1258597-47-5
Mol.F. : C22H19D5N2O7S
Mol.Wt. : 465.5
Inv. Status: In Stock
SZ-A051D01
CAS No:1258597-47-5
Mol.F.: C22H19D5N2O7S
Mol.Wt.: 465.5
Inv. Status: In Stock

Apremilast D8

Picture of Apremilast D8
CAT No: SZ-A051D02
CAS No: 1258597-45-3
Mol.F. : C22H16D8N2O7S
Mol.Wt. : 468.6
Inv. Status: Custom Synthesis
SZ-A051D02
CAS No:1258597-45-3
Mol.F.: C22H16D8N2O7S
Mol.Wt.: 468.6
Inv. Status: Custom Synthesis

Possible Nitroso Standards

N-Nitroso Apremilast

Picture of N-Nitroso Apremilast
CAT No: SZ-A051047
CAS No: NA
Mol.F. : C22H23N3O8S
Mol.Wt. : 489.5
Inv. Status: Custom Synthesis
SZ-A051047
CAS No:NA
Mol.F.: C22H23N3O8S
Mol.Wt.: 489.5
Inv. Status: Custom Synthesis

Apremilast Nitroso Impurity 1

Picture of Apremilast Nitroso Impurity 1
CAT No: SZ-A051048
CAS No: NA
Mol.F. : C10H6N2O5
Mol.Wt. : 234.2
Inv. Status: Custom Synthesis
SZ-A051048
CAS No:NA
Mol.F.: C10H6N2O5
Mol.Wt.: 234.2
Inv. Status: Custom Synthesis

Apremilast Nitroso Impurity 2

Picture of Apremilast Nitroso Impurity 2
CAT No: SZ-A051050
CAS No: NA
Mol.F. : C22H28N2O7S
Mol.Wt. : 464.5
Inv. Status: Under Synthesis
SZ-A051050
CAS No:NA
Mol.F.: C22H28N2O7S
Mol.Wt.: 464.5
Inv. Status: Under Synthesis

Apremilast Nitroso Impurity 3

Picture of Apremilast Nitroso Impurity 3
CAT No: SZ-A051051
CAS No: NA
Mol.F. : C22H30N2O7S
Mol.Wt. : 466.5
Inv. Status: Under Synthesis
SZ-A051051
CAS No:NA
Mol.F.: C22H30N2O7S
Mol.Wt.: 466.5
Inv. Status: Under Synthesis