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

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

Medicines

Acetylcysteine is an active ingredient of these brands:

United States (US)

Austria (AT)

Brazil (BR)

Cyprus (CY)

Estonia (EE)

Finland (FI)

Germany (DE)

Hong Kong (HK)

Japan (JP)

Lithuania (LT)

Netherlands (NL)

Poland (PL)

Romania (RO)

Singapore (SG)

Spain (ES)

Tunisia (TN)

United Kingdom (UK)

While we strive to include the brand names of medicines across all countries, our index remains incomplete. Therefore, it is possible that this medicine may also be marketed under different names in other countries.