Acetylcysteine

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
Acetylcysteine
R Respiratory system → R05 Cough and cold preparations → R05C Expectorants, excl. combinations with cough suppressants → R05CB Mucolytics
Discover more medicines within R05CB01
Acetylcysteine
S Sensory organs → S01 Ophthalmologicals → S01X Other ophthalmologicals → S01XA Other ophthalmologicals
Discover more medicines within S01XA08
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
Type
Country
Summary of Product Characteristics (SPC)
UK
Summary of Product Characteristics (SPC)
UK
Summary of Product Characteristics (SPC)
UK

Medicines

Acetylcysteine is the active ingredient of these drugs:

Drug
Countries

United Kingdom

Ecuador

United Kingdom

United States

United Kingdom

Ecuador

Hong Kong

Hong Kong

Hong Kong

Hong Kong

Austria

Ecuador

Brazil

South Africa

Ecuador

Lithuania

Hong Kong

Ecuador

Ecuador

Finland

Netherlands

Brazil Germany

Estonia

Ecuador

Tunisia

Ecuador

Brazil

Hong Kong

Brazil

Hong Kong

Hong Kong

Ecuador

Ecuador

Austria

Ecuador

France

Ecuador

Ecuador

Ecuador

Brazil Ecuador

Ecuador

Ecuador

Ecuador

Ecuador

Austria Brazil Ecuador Estonia France

Brazil

Spain

Spain

Hong Kong

France Hong Kong Singapore Spain

Austria

United Kingdom

France

South Africa

Finland

Ecuador

Singapore

Hong Kong

Tunisia

South Africa

Poland

Estonia

South Africa

Poland

Austria

France

Poland

South Africa

South Africa

Tunisia

Ecuador

Finland France

Finland

Hong Kong

Hong Kong

Tunisia

Ecuador

Hong Kong

Singapore

Ireland United Kingdom

Ecuador

Spain

South Africa

Ireland South Africa United Kingdom

Brazil

Brazil

Lithuania Poland

Ecuador

Cyprus Hong Kong South Africa

Singapore

Singapore

Hong Kong

Ecuador

Ecuador

Hong Kong Ireland

Cyprus Singapore

Poland

South Africa

Ecuador

Estonia

Acetylcysteine is also found within below combination drugs:

ACEMUK BIOTIC DUO , ACEMUK L , AMINOPLASMAL , AMINOSTERIL N HEPA , DRENAFLEN GRIPE , FLEMISOL GRIPE , FLEMISOL GRIPE NINOS , FLUIMUCIL ANTIBIOTIC , NEPHROSTERIL , NORMOTEMP AF , RHINOFLUIMUCIL , RINOFLUIMUCIL

Structural formula

Graphic representation of the active ingredient's molecular structure

Chemical formula: C₅H₉NO₃S
Molecular mass: 163.195 g/mol

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