Compound Q&A

What is Apremilast Impurity 28 (CAS: 253168-94-4)?

Answer

Apremilast Impurity 28
Apremilast Impurity 28 is a chemical compound identified as an impurity in the pharmaceutical drug apremilast. With the CAS number 253168-94-4, it is typically a byproduct of the synthesis process. Its exact chemical formula and structure are not widely published, but it is characterized as a low-molecular-weight compound with specific physical properties relevant to pharmaceutical quality control. It is not intended for therapeutic use but plays a role in ensuring the purity and safety of apremilast.

About

English Name Apremilast Impurity 28
Molecular Formula C12H19NO4S
Molecular Weight 273.354 g/mol
SMILES O=S(=O)(C)CC(c1cc(OCC)c(OC)cc1)N
InChIKey BXUJVINGXQGNFD-UHFFFAOYSA-N
Last Updated: 2025-08-25 01:07

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