O-Desmethyl Apremilast

Modify Date: 2025-08-25 16:14:22

O-Desmethyl Apremilast Structure
O-Desmethyl Apremilast structure
Common Name O-Desmethyl Apremilast
CAS Number 1384441-38-6 Molecular Weight 446.474
Density 1.5±0.1 g/cm3 Boiling Point 765.2±60.0 °C at 760 mmHg
Molecular Formula C21H22N2O7S Melting Point N/A
MSDS N/A Flash Point 416.6±32.9 °C

 Names

Name O-Desmethyl Apremilast
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.5±0.1 g/cm3
Boiling Point 765.2±60.0 °C at 760 mmHg
Molecular Formula C21H22N2O7S
Molecular Weight 446.474
Flash Point 416.6±32.9 °C
Exact Mass 446.114777
LogP 0.99
Vapour Pressure 0.0±2.7 mmHg at 25°C
Index of Refraction 1.641
InChIKey PEUJABWEZWJNBO-MRXNPFEDSA-N
SMILES CCOc1cc(C(CS(C)(=O)=O)N2C(=O)c3cccc(NC(C)=O)c3C2=O)ccc1O

 Synonyms

0SUF2IX83T
O-DEMETHYL APREMILAST
Acetamide, N-[2-[(1S)-1-(3-ethoxy-4-hydroxyphenyl)-2-(methylsulfonyl)ethyl]-2,3-dihydro-1,3-dioxo-1H-isoindol-4-yl]-
N-{2-[(1S)-1-(3-Ethoxy-4-hydroxyphenyl)-2-(methylsulfonyl)ethyl]-1,3-dioxo-2,3-dihydro-1H-isoindol-4-yl}acetamide
Apremilast Impurity 20
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