info@scopepharmachemplus.com
+91-8983531655WhatsApp : +91-8983531655
Compare
RFQ Cart
SCOPE Pharmachem plus LLP
ProductsServicesClients
HelpContact Us

Scope Pharmachem

Loading Scope Pharmachem Plus...

SCOPE Pharmachem plus LLP

Scope Pharmachem Plus LLP is a reliable contract research organization (CRO) specialized in the custom synthesis of pharmacopeial & non-pharmacopeial reference standards, working standards, drug metabolites, glucuronides, and nitrosamine impurities for global pharmaceutical quality assurance.

GLP Quality & Certified COA Standards
Connect With Us

Company & Links

  • About Us
  • Board of Directors
  • Synthesis Services
  • Clients & Partners
  • Contact & RFQ

Product Categories

  • API Impurity Standards
  • Working Reference Standards
  • Isotope Labeled Compounds
  • Glucuronide Metabolites
  • Nitrosamines & NDSRIs

Direct Support

Inquiries & Quotations:
info@scopepharmachemplus.com
Direct Helpline:
+91-8983531655+91-976836041
Facility Location:
Plot No. A-66, Industrial Estate Society, Kopargaon, Ahmednagar, Maharashtra, India, PIN - 423601
Operating Hours:
Mon – Sat: 9:00 AM – 5:00 PM IST

© 2026 Scope Pharmachem Plus LLP. All Rights Reserved.

Privacy PolicyTerms & ConditionsSitemap
Apremilast Impurities & Reference Standards | ChemLume
ABCDEFGHIJKLMNOPQRSTUVWXYZ

All Reference Standards & Products

Need help?
Home/Products/
All Products

All Products

Explore our complete catalog of certified pharmaceutical reference standards, research chemicals, and impurities.

Apremilast Impurity 32

Apremilast Impurity 32
Cat. No:CL-A051056
CAS No:1450657-28-9
Mol. F:C12H16O5S
Mol. Wt:272.3
Inv. Status:In Stock

Apremilast Impurity 29

Apremilast Impurity 29
Cat. No:CL-A051052
CAS No:NA
Mol. F:C18H12N2O7
Mol. Wt:368.3
Inv. Status:In Stock

Apremilast EP Impurity H

Apremilast EP Impurity H
Cat. No:CL-A051009
CAS No:253168-94-4
Mol. F:C12H19NO4S
Mol. Wt:273.4
Inv. Status:In Stock

O-Desmethyl Apremilast Glucuronide

O-Desmethyl Apremilast Glucuronide
Cat. No:CL-A051082
CAS No:1384814-89-4
Mol. F:C27H30N2O13S
Mol. Wt:622.6
Inv. Status:In Stock

Apremilast Impurity 18

Apremilast Impurity 18
Cat. No:CL-A051029
CAS No:2055542-18-0
Mol. F:C12H18O5S
Mol. Wt:274.3
Inv. Status:In Stock

Apremilast Impurity 56

Apremilast Impurity 56
Cat. No:CL-A051085
CAS No:1450657-24-5
Mol. F:C12H18O5S
Mol. Wt:274.3
Inv. Status:In Stock

Apremilast Impurity 44

Apremilast Impurity 44
Cat. No:CL-A051069
CAS No:1824587-85-0
Mol. F:C9H13NO4S
Mol. Wt:231.3
Inv. Status:In Stock

Apremilast Impurity 36

Apremilast Impurity 36
Cat. No:CL-A051060
CAS No:2139236-60-3
Mol. F:C12H17NO4S
Mol. Wt:271.3
Inv. Status:In Stock

Apremilast

Apremilast
Cat. No:CL-A051001
CAS No:608141-41-9
Mol. F:C22H24N2O7S
Mol. Wt:460.5
Inv. Status:In Stock

Apremilast Impurity 2

Apremilast Impurity 2
Cat. No:CL-A051011
CAS No:6296-53-3
Mol. F:C10H7NO4
Mol. Wt:205.2
Inv. Status:In Stock

Apremilast Diethoxy Analog

Apremilast Diethoxy Analog
Cat. No:CL-A051084
CAS No:NA
Mol. F:C23H26N2O7S
Mol. Wt:474.5
Inv. Status:In Stock

Apremilast Impurity 39

Apremilast Impurity 39
Cat. No:CL-A051064
CAS No:1956-36-1
Mol. F:C10H13NO3
Mol. Wt:195.2
Inv. Status:In Stock

Apremilast Impurity 33

Apremilast Impurity 33
Cat. No:CL-A051057
CAS No:2489621-73-8
Mol. F:C12H18O4S
Mol. Wt:258.3
Inv. Status:In Stock

Apremilast Impurity 13

Apremilast Impurity 13
Cat. No:CL-A051024
CAS No:1384439-79-5
Mol. F:C19H18N2O7S
Mol. Wt:418.4
Inv. Status:In Stock

Apremilast Impurity 3

Apremilast Impurity 3
Cat. No:CL-A051012
CAS No:2097600-16-1
Mol. F:C14H21NO5S
Mol. Wt:315.4
Inv. Status:In Stock

Apremilast Impurity 27

Apremilast Impurity 27
Cat. No:CL-A051046
CAS No:NA
Mol. F:C12H20NO4S : C5H6NO3
Mol. Wt:274.4
Inv. Status:In Stock

N-Nitroso Apremilast

N-Nitroso Apremilast
Cat. No:CL-A051047
CAS No:NA
Mol. F:C22H23N3O8S
Mol. Wt:489.5
Inv. Status:In Stock

Apremilast Impurity 42

Apremilast Impurity 42
Cat. No:CL-A051067
CAS No:885268-06-4
Mol. F:C12H19NO4S
Mol. Wt:273.3
Inv. Status:In Stock

Apremilast 2-Acetamido Benzoic Acid Impurity

Apremilast 2-Acetamido Benzoic Acid Impurity
Cat. No:CL-A051034
CAS No:1809170-71-5
Mol. F:C22H26N2O8S
Mol. Wt:478.5
Inv. Status:In Stock

Apremilast Impurity 55

Apremilast Impurity 55
Cat. No:CL-A051081
CAS No:1715011-38-3
Mol. F:C12H17NO4S
Mol. Wt:271.3
Inv. Status:In Stock

Apremilast Impurity 50

Apremilast Impurity 50
Cat. No:CL-A051076
CAS No:NA
Mol. F:C21H22N2O7S
Mol. Wt:446.5
Inv. Status:In Stock

Apremilast Desphthalyl Amine (USP)

Apremilast Desphthalyl Amine (USP)
Cat. No:CL-A051031
CAS No:608141-42-0
Mol. F:C12H19NO4S
Mol. Wt:273.3
Inv. Status:In Stock

Apremilast Impurity 46

Apremilast Impurity 46
Cat. No:CL-A051072
CAS No:85-44-9
Mol. F:C8H4O3
Mol. Wt:148.1
Inv. Status:In Stock

Apremilast Impurity 53

Apremilast Impurity 53
Cat. No:CL-A051079
CAS No:253168-79-5
Mol. F:C20H21NO6S
Mol. Wt:403.4
Inv. Status:In Stock

N-Deacetyl Apremilast

N-Deacetyl Apremilast
Cat. No:CL-A051033
CAS No:253168-83-1
Mol. F:C20H22N2O6S
Mol. Wt:418.5
Inv. Status:In Stock

Racemate Apremilast

Racemate Apremilast
Cat. No:CL-A051070
CAS No:253168-86-4
Mol. F:C22H24N2O7S
Mol. Wt:460.5
Inv. Status:In Stock

Apremilast Impurity 14

Apremilast Impurity 14
Cat. No:CL-A051025
CAS No:2487573-05-5
Mol. F:C18H18N2O6S
Mol. Wt:390.4
Inv. Status:In Stock

Apremilast Impurity 30

Apremilast Impurity 30
Cat. No:CL-A051054
CAS No:136285-65-9
Mol. F:C14H18N2O6
Mol. Wt:310.3
Inv. Status:In Stock

4- Nitro Apremilast

4- Nitro Apremilast
Cat. No:CL-A051014
CAS No:2095036-40-9
Mol. F:C20H20N2O8S
Mol. Wt:448.5
Inv. Status:In Stock

Apremilast D5

Apremilast D5
Cat. No:CL-A051D01
CAS No:1258597-47-5
Mol. F:C22H19D5N2O7S
Mol. Wt:465.5
Inv. Status:In Stock

Apremilast Open Ring 3-acetamide (USP)

Apremilast Open Ring 3-acetamide (USP)
Cat. No:CL-A051027
CAS No:2096492-41-8
Mol. F:C22H26N2O8S
Mol. Wt:478.5
Inv. Status:In Stock

Apremilast Impurity 40

Apremilast Impurity 40
Cat. No:CL-A051065
CAS No:60758-87-4
Mol. F:C11H13NO2
Mol. Wt:191.2
Inv. Status:In Stock

Apremilast Impurity 49

Apremilast Impurity 49
Cat. No:CL-A051075
CAS No:253168-87-5
Mol. F:C22H24N2O7S
Mol. Wt:460.5
Inv. Status:In Stock

Apremilast Impurity 58

Apremilast Impurity 58
Cat. No:CL-A051087
CAS No:2733250-84-3
Mol. F:C13H21NO5S
Mol. Wt:303.4
Inv. Status:In Stock

Apremilast EP Impurity B

Apremilast EP Impurity B
Cat. No:CL-A051003
CAS No:15371-06-9
Mol. F:C10H9NO5
Mol. Wt:223.2
Inv. Status:In Stock

Apremilast EP Impurity C

Apremilast EP Impurity C
Cat. No:CL-A051004
CAS No:2487573-02-2
Mol. F:C21H21NO7S
Mol. Wt:431.5
Inv. Status:In Stock

Apremilast Impurity 11

Apremilast Impurity 11
Cat. No:CL-A051022
CAS No:1384439-80-8
Mol. F:C17H16N2O6S
Mol. Wt:376.4
Inv. Status:In Stock

Apremilast Dimethoxy Analog

Apremilast Dimethoxy Analog
Cat. No:CL-A051083
CAS No:1809089-51-7
Mol. F:C21H22N2O7S
Mol. Wt:446.5
Inv. Status:In Stock

Apremilast Impurity 38

Apremilast Impurity 38
Cat. No:CL-A051063
CAS No:2651-55-0
Mol. F:C10H12O4
Mol. Wt:196.2
Inv. Status:In Stock

Apremilast D8

Apremilast D8
Cat. No:CL-A051D02
CAS No:1258597-45-3
Mol. F:C22H16D8N2O7S
Mol. Wt:468.6
Inv. Status:In Stock

Apremilast EP Impurity F

Apremilast EP Impurity F
Cat. No:CL-A051007
CAS No:NA
Mol. F:C20H24N2O7S
Mol. Wt:436.5
Inv. Status:In Stock

Apremilast Impurity 8

Apremilast Impurity 8
Cat. No:CL-A051017
CAS No:2096492-44-1
Mol. F:C22H24N2O8S
Mol. Wt:476.5
Inv. Status:In Stock

4-Hydroxy benzonitrile

4-Hydroxy benzonitrile
Cat. No:CL-A051062
CAS No:60758-79-4
Mol. F:C9H9NO2
Mol. Wt:163.2
Inv. Status:In Stock

Apremilast Impurity 54

Apremilast Impurity 54
Cat. No:CL-A051080
CAS No:67614-42-0
Mol. F:C10H9NO5
Mol. Wt:223.2
Inv. Status:In Stock

Apremilast Impurity E

Apremilast Impurity E
Cat. No:CL-A051044
CAS No:NA
Mol. F:C28H25N3O8S
Mol. Wt:563.6
Inv. Status:In Stock

Apremilast Impurity 35

Apremilast Impurity 35
Cat. No:CL-A051059
CAS No:NA
Mol. F:C13H18O6S
Mol. Wt:302.3
Inv. Status:In Stock

Apremilast Impurity 52

Apremilast Impurity 52
Cat. No:CL-A051078
CAS No:2438558-63-3
Mol. F:C21H22N2O7S
Mol. Wt:446.5
Inv. Status:In Stock

Apremilast 2-Acetamido Benzoic Acid Impurity (Sodium salt)

Apremilast 2-Acetamido Benzoic Acid Impurity (Sodium salt)
Cat. No:CL-A051026
CAS No:NA
Mol. F:C22H25N2O8S : Na
Mol. Wt:477.5
Inv. Status:In Stock

Apremilast Nitroso Impurity 2

Apremilast Nitroso Impurity 2
Cat. No:CL-A051050
CAS No:NA
Mol. F:C22H28N2O7S
Mol. Wt:464.5
Inv. Status:In Stock

Apremilast Dimer

Apremilast Dimer
Cat. No:CL-A051021
CAS No:1802246-60-1
Mol. F:C30H27N3O9S
Mol. Wt:605.6
Inv. Status:In Stock

Apremilast Impurity 57

Apremilast Impurity 57
Cat. No:CL-A051086
CAS No:NA
Mol. F:C23H26N2O8S
Mol. Wt:490.5
Inv. Status:In Stock

Apremilast Impurity 26

Apremilast Impurity 26
Cat. No:CL-A051045
CAS No:NA
Mol. F:C20H20N2O8S
Mol. Wt:448.4
Inv. Status:In Stock

Apremilast Impurity 17

Apremilast Impurity 17
Cat. No:CL-A051028
CAS No:2487573-01-1
Mol. F:C23H26N2O8S
Mol. Wt:490.5
Inv. Status:In Stock

Apremilast Impurity 47

Apremilast Impurity 47
Cat. No:CL-A051073
CAS No:22235-04-7
Mol. F:C10H7NO4
Mol. Wt:205.2
Inv. Status:In Stock

Apremilast Impurity 6

Apremilast Impurity 6
Cat. No:CL-A051015
CAS No:1384967-20-7
Mol. F:C20H20N2O7S
Mol. Wt:432.5
Inv. Status:In Stock

Apremilast Olifin Amine

Apremilast Olifin Amine
Cat. No:CL-A051030
CAS No:1450657-31-4
Mol. F:C12H17NO4S
Mol. Wt:271.3
Inv. Status:In Stock

Apremilast Impurity 9

Apremilast Impurity 9
Cat. No:CL-A051018
CAS No:1831833-38-5
Mol. F:C12H16O4S
Mol. Wt:256.3
Inv. Status:In Stock

Apremilast Impurity 24

Apremilast Impurity 24
Cat. No:CL-A051040
CAS No:NA
Mol. F:C20H24N2O7S
Mol. Wt:436.5
Inv. Status:In Stock

Apremilast Impurity 31

Apremilast Impurity 31
Cat. No:CL-A051055
CAS No:1284768-38-2
Mol. F:C13H21NO4S
Mol. Wt:287.4
Inv. Status:In Stock

Apremilast Impurity 22

Apremilast Impurity 22
Cat. No:CL-A051038
CAS No:2077897-93-7
Mol. F:C20H21NO6S
Mol. Wt:403.4
Inv. Status:In Stock

3-Nitrophthalic Acid

3-Nitrophthalic Acid
Cat. No:CL-A051043
CAS No:603-11-2
Mol. F:C8H5NO6
Mol. Wt:211.1
Inv. Status:In Stock

Apremilast N-Formyl Impurity

Apremilast N-Formyl Impurity
Cat. No:CL-A051042
CAS No:2077897-94-8
Mol. F:C21H22N2O7S
Mol. Wt:446.5
Inv. Status:In Stock

Apremilast Nitroso Impurity 3

Apremilast Nitroso Impurity 3
Cat. No:CL-A051051
CAS No:NA
Mol. F:C22H30N2O7S
Mol. Wt:466.5
Inv. Status:In Stock

Apremilast Impurity 19

Apremilast Impurity 19
Cat. No:CL-A051035
CAS No:52805-46-6
Mol. F:C8H7NO2
Mol. Wt:149.1
Inv. Status:In Stock

Apremilast Impurity 4

Apremilast Impurity 4
Cat. No:CL-A051013
CAS No:1407140-51-5
Mol. F:C20H32N2O6S
Mol. Wt:428.5
Inv. Status:In Stock

O-Desmethyl Apremilast (USP)

O-Desmethyl Apremilast (USP)
Cat. No:CL-A051016
CAS No:1384441-38-6
Mol. F:C21H22N2O7S
Mol. Wt:446.5
Inv. Status:In Stock

Apremilast Impurity 28

Apremilast Impurity 28
Cat. No:CL-A051049
CAS No:1131-52-8
Mol. F:C10H12O3
Mol. Wt:180.2
Inv. Status:In Stock

Apremilast Nitroso Impurity 1

Apremilast Nitroso Impurity 1
Cat. No:CL-A051048
CAS No:NA
Mol. F:C10H6N2O5
Mol. Wt:234.2
Inv. Status:In Stock

Apremilast Des Oxo Impurity

Apremilast Des Oxo Impurity
Cat. No:CL-A051032
CAS No:NA
Mol. F:C45H48N4O14S2
Mol. Wt:933
Inv. Status:In Stock

Apremilast Impurity 21

Apremilast Impurity 21
Cat. No:CL-A051037
CAS No:60758-86-3
Mol. F:C10H11NO2
Mol. Wt:177.2
Inv. Status:In Stock

Apremilast Impurity 41

Apremilast Impurity 41
Cat. No:CL-A051066
CAS No:247569-89-7
Mol. F:C10H13NO3
Mol. Wt:195.2
Inv. Status:In Stock

Apremilast Desphthalyl Amine (N-Acetyl-L-leucine) (USP)

Apremilast Desphthalyl Amine (N-Acetyl-L-leucine) (USP)
Cat. No:CL-A051010
CAS No:608141-43-1
Mol. F:C12H19NO4S : C8H15NO3
Mol. Wt:273.4
Inv. Status:In Stock

Apremilast Impurity 45

Apremilast Impurity 45
Cat. No:CL-A051071
CAS No:NA
Mol. F:C20H24N2O7S
Mol. Wt:436.5
Inv. Status:In Stock

Apremilast Impurity 51

Apremilast Impurity 51
Cat. No:CL-A051077
CAS No:NA
Mol. F:C20H24N2O7S
Mol. Wt:436.5
Inv. Status:In Stock

Apremilast Impurity 12

Apremilast Impurity 12
Cat. No:CL-A051023
CAS No:1384440-16-7
Mol. F:C19H20N2O6S
Mol. Wt:404.4
Inv. Status:In Stock

Apremilast EP Impurity D

Apremilast EP Impurity D
Cat. No:CL-A051005
CAS No:2448678-64-4
Mol. F:C23H26N2O7S
Mol. Wt:474.5
Inv. Status:In Stock

Apremilast Impurity 23

Apremilast Impurity 23
Cat. No:CL-A051039
CAS No:2096492-43-0
Mol. F:C22H24N2O8S
Mol. Wt:476.5
Inv. Status:In Stock

Apremilast Impurity 43

Apremilast Impurity 43
Cat. No:CL-A051068
CAS No:1255909-25-1
Mol. F:C11H17NO4S
Mol. Wt:259.3
Inv. Status:In Stock

Apremilast R-Isomer

Apremilast R-Isomer
Cat. No:CL-A051020
CAS No:608141-44-2
Mol. F:C22H24N2O7S
Mol. Wt:460.5
Inv. Status:In Stock

Desacetyl Apremilast

Desacetyl Apremilast
Cat. No:CL-A051019
CAS No:635705-72-5
Mol. F:C20H22N2O6S
Mol. Wt:418.5
Inv. Status:In Stock

Apremilast Impurity 20

Apremilast Impurity 20
Cat. No:CL-A051036
CAS No:NA
Mol. F:C20H22N2O6S
Mol. Wt:418.5
Inv. Status:In Stock

Apremilast Impurity 34

Apremilast Impurity 34
Cat. No:CL-A051058
CAS No:NA
Mol. F:C15H24O5S
Mol. Wt:316.4
Inv. Status:In Stock

Apremilast EP Impurity E

Apremilast EP Impurity E
Cat. No:CL-A051006
CAS No:2487573-03-3
Mol. F:C22H24N2O7S
Mol. Wt:460.5
Inv. Status:In Stock

Apremilast Impurity 48

Apremilast Impurity 48
Cat. No:CL-A051074
CAS No:NA
Mol. F:C17H24N2O6S
Mol. Wt:384.4
Inv. Status:In Stock

Apremilast Impurity 37

Apremilast Impurity 37
Cat. No:CL-A051061
CAS No:608142-27-4
Mol. F:C12H19NO4S
Mol. Wt:273.3
Inv. Status:In Stock

5-Acetamide Apremilast

5-Acetamide Apremilast
Cat. No:CL-A051041
CAS No:2201974-01-6
Mol. F:C22H24N2O7S
Mol. Wt:460.5
Inv. Status:In Stock

Product Category