Acetylcysteine

Chemical formula: C₅H₉NO₃S  Molecular mass: 163.195 g/mol  PubChem compound: 12035

Active ingredient description

Acetylcysteine is N-acetyl derivative of cysteine. Used as a mucolytic agent to reduce the viscosity of mucous secretions.

Medicine classification

This medicinal substance has been classified in the anatomical therapeutic chemical (ATC) classification according to its main therapeutic use as follows:

ATC code Group title Classification
R05CB01 Acetylcysteine R Respiratory system → R05 Cough and cold preparations → R05C Expectorants, excl. combinations with cough suppressants → R05CB Mucolytics
Discover more medicines within R05CB01
S01XA08 Acetylcysteine S Sensory organs → S01 Ophthalmologicals → S01X Other ophthalmologicals → S01XA Other ophthalmologicals
Discover more medicines within S01XA08
V03AB23 Acetylcysteine V Various → V03 All other therapeutic products → V03A All other therapeutic products → V03AB Antidotes
Discover more medicines within V03AB23

Product monographs

Competent medicine agencies globally have authorized commercialization of this active ingredient according to these medication package inserts (MPIs):

Title Information Source Document Type  
ILUBE Eye drops, solution Medicines & Healthcare Products Regulatory Agency (GB) MPI, EU: SmPC
ACETYLCYSTEINE Powder for oral solution Medicines & Healthcare Products Regulatory Agency (GB) MPI, EU: SmPC
PARVOLEX Solution for infusion Medicines & Healthcare Products Regulatory Agency (GB) MPI, EU: SmPC

Structural formula

Graphic representation of the active ingredient's molecular structure

3D molecular structure

3D representation of the active ingredient's molecular structure

External identifiers

CAS Substance: 616-91-1
DrugBank Drug: DB06151
KEGG Drug: D00221
PubChem Compound: 12035
RxNorm Ingredient: 197
SNOMED-CT Concept: 387440002
Acetylcysteine (substance)
UNII Identifier: WYQ7N0BPYC
ACETYLCYSTEINE

Medicines

Acetylcysteine is an active ingredient of these brands:

United States (US)

Austria (AT)

Brazil (BR)

Croatia (HR)

Cyprus (CY)

Estonia (EE)

Finland (FI)

Germany (DE)

Hong Kong (HK)

Israel (IL)

Japan (JP)

Lithuania (LT)

Netherlands (NL)

Poland (PL)

Romania (RO)

Singapore (SG)

Spain (ES)

Tunisia (TN)

United Kingdom (UK)

Note the following: The list of brand names is continuously updated, and thus does not include the total of products circulating worldwide.

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