Apremilast O-Desmethyl

Synonyms	Apremilast Impurity 7, N-formyl Impurity
Chemical Name	(S)-N-(2-(1-(3-Ethoxy-4-hydroxyphenyl)-2-(methylsulfonyl)ethyl)-1,3-dioxoisoindolin-4-yl)acetamide
CAS No	1384441-38-6
Molecular Formula	C21H22N2O7S
Molecular Weight	446.47

3-Acetylaminophthalic Anhydride

6296-53-3

205.17

C10H7NO4

Apremilast O-Desmethyl

1384441-38-6

446.47

C21H22N2O7S

Apremilast Open Diamide acid

2096492-41-8

478.52

C22H26N2O8S

Apremilast mixture Of 3-acetamido + 2-acetamido (30% + 65%)

478.52

C22H26N2O8S

4-Acetylaminophthalic Anhydride

22235-04-7

205.17

C10H7NO4

Apremilast 2-Acetamido Benzoic Acid Impurity

1809170-71-5

478.52

C22H26N2O8S

Apremilast 3-Acetamido Benzoic Acid Impurity

478.52

C22H26N2O8S

Apremilast EP Impurity B

15371-06-9

223.18

C10H9NO5

Apremilast EP Impurity H

253168-94-4

273.35

C12H19NO4S

Apremilast N-Desacetyl Impurity

635705-72-5

418.46

C20H22N2O6S

Apremilast R-Isomer

608141-44-2

460.50

C22H24N2O7S

Apremilast-D5

1258597-47-5

465.53

C22H19D5N2O7S