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Home/Compounds/API/Modafinil sulfone
C15H15NO3S
289.4 g/mol
API

Modafinil Sulfone

CAS118779-53-6
Category
API
Compound Class
Amide
Primary Use
Pharmaceutical Raw Material

Modafinil sulfone is an achiral, oxidized metabolite of modafinil, a wakefulness-promoting agent. It is primarily used as a pharmaceutical reference impurity standard for quality control and analytical testing.

pharmaceutical reference impurity standardmetabolite reference for analytical research

Content scope: Information here supports chemical identification and industrial supply, research, and manufacturing contexts. It is not a therapeutic claim, medical advice, or drug-use instructions.

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Customs Tariff Classification

The international HS code for Modafinil Sulfone (CAS 118779-53-6) is 2930.90.

HS code (international, 6-digit)

2930.90

EU CN code (8-digit)

2930 90 95

Classification per the EU customs inventory ECICS (2026-07 snapshot, HS 2022). National tariff lines and product form can affect the final classification.

Identifiers
IUPAC Name

2-benzhydrylsulfonylacetamide

InChIKey

ZESNOWZYHYRSRY-UHFFFAOYSA-N

SMILES

C1=CC=C(C=C1)C(C2=CC=CC=C2)S(=O)(=O)CC(=O)N

Synonyms (11)
  • 2-[(Diphenylmethyl)sulfonyl]acetamide; Modafinil Imp. B (EP); Modafinil Related Compound B; Modafinil Impurity B
  • MODAFINIL IMPURITY B (EP IMPURITY)
  • MODAFINIL SULFONE (USP-RS)
  • Modafinil EP Impurity B
  • MODAFINIL IMPURITY B
  • Modafinil Sulfone

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