Inactive / Discontinued
ACETYLCYSTEINE
UNII WYQ7N0BPYC
Substance Identification & Data
This profile provides standardized clinical and technical data for Acetylcysteine, uniquely identified by the FDA Unique Ingredient Identifier (UNII) WYQ7N0BPYC.
Technical mappings include the Chemical Abstracts Service (CAS) Registry Number 616-91-1 and the RxNorm Concept ID (RxCUI) 197. Explore the sections below for detailed nomenclature and a complete directory of NDC-listed products containing this ingredient.
Detailed Substance Profile
Preferred Name
ACETYLCYSTEINE
Official standardized name for this substance within the FDA UNII nomenclature system.
Molecular Formula
WYQ7N0BPYC
The specific atomic composition represented as a molecular structure string.
InChIKey
C5H9NO3S International Chemical Identifier digital signature for unique molecular identification.
SMILES String
PWKSKIMOESPYIA-BYPYZUCNSA-N Line notation for describing the chemical structure and connectivity of atoms.
INN ID
1535
Sequential identifier assigned via the WHO International Nonproprietary Name program.
Substance Type
chemical
ISO 11238 classification category (e.g., Chemical, Polymer, Protein).
Ingredient Role
[C@H](C(O)=O)(NC(=O)C)CS
Synonyms and Nomenclature
This section provides a complete list of nomenclature and identifier mappings for Acetylcysteine. Identifiers are organized into official regulatory terms, commercial trade names, and technical systematic synonyms used to ensure accurate identification across clinical pharmaceutical databases, regulatory filings, and electronic health records.
FDA Official Name
ACETYL CYSTEINE
ACETYLCYSTEINE
Common Names & Synonyms
ACETYLCYSTEINE [EP MONOGRAPH]
ACETYLCYSTEINE [HSDB]
ACETYLCYSTEINE [II]
ACETYLCYSTEINE [INN]
ACETYLCYSTEINE [JAN]
ACETYLCYSTEINE [MART.]
ACETYLCYSTEINE [MI]
ACETYLCYSTEINE [ORANGE BOOK]
ACETYLCYSTEINE [USAN]
ACETYLCYSTEINE [USP MONOGRAPH]
ACETYLCYSTEINE [USP-RS]
ACETYLCYSTEINE [VANDF]
ACETYLCYSTEINE [WHO-DD]
NAC
N-ACETYI-L-CYSTEINE
Brand / Trade Names
ACETADOTE
BRONCHOLYSIN
CETYLEV
FLUIMICIL
FLUIMUCETIN
MERCAPTURIC ACID
MUCOMYST
MUCOSIL
ORISTAR NALC
RESPAIRE
SYNTEMUCOL
TIXAIR
Systematic Nomenclature
(R)-N-ACETYLCYSTEINE
CYSTEINE, N-ACETYL-, L-
L-CYSTEINE, N-ACETYL-
N-ACETYL CYSTEINE
N-ACETYL-(R)-CYSTEINE
N-ACETYL-3-MERCAPTOALANINE
N-ACETYLCYSTEINE
N-ACETYL-L-CYSTEINE
Technical Codes
5052
NSC-111180
RK-0202
NDC Products Containing ACETYLCYSTEINE
This unique ingredient identifier is listed as an ingredient or substance in the following products in the NDC directory:
