THIMEROSAL
UNII 2225PI3MOV

Substance Identification & Data

This profile provides standardized clinical and technical data for Thimerosal, uniquely identified by the FDA Unique Ingredient Identifier (UNII) 2225PI3MOV.

Technical mappings include the Chemical Abstracts Service (CAS) Registry Number 54-64-8 and the RxNorm Concept ID (RxCUI) 10472. Explore the sections below for detailed nomenclature and a complete directory of NDC-listed products containing this ingredient.

FDA UNII Code
2225PI3MOV
CAS Registry Number
54-64-8
RxNorm Concept ID

Detailed Substance Profile

Preferred Name
THIMEROSAL
Official standardized name for this substance within the FDA UNII nomenclature system.
Molecular Formula
2225PI3MOV
The specific atomic composition represented as a molecular structure string.
InChIKey
C9H9HgO2S.Na
International Chemical Identifier digital signature for unique molecular identification.
SMILES String
RTKIYNMVFMVABJ-UHFFFAOYSA-L
Line notation for describing the chemical structure and connectivity of atoms.
NCI Thesaurus
National Cancer Institute reference terminology for clinical and research data.
PubChem CID
Unique identification number in the NCBI database of chemical substances.
INN ID
2548
Sequential identifier assigned via the WHO International Nonproprietary Name program.
Substance Type
chemical
ISO 11238 classification category (e.g., Chemical, Polymer, Protein).
Ingredient Role
c1(C([O-])=O)c(S[Hg]CC)cccc1.[Na+]

Synonyms and Nomenclature

This section provides a complete list of nomenclature and identifier mappings for Thimerosal. 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

THIMEROSAL
THIOMERSAL

Common Names & Synonyms

SODIUM ETHYL(2-(MERCAPTO-.KAPPA.S)BENZOATO(2-)-.KAPPA.O)MERCURATE(1-)
SODIUM SALT OF (2-CARBOXYPHENYLTHIO)ETHYLMERCURY
THIMEROSAL [HSDB]
THIMEROSAL [II]
THIMEROSAL [JAN]
THIMEROSAL [MI]
THIMEROSAL [USP MONOGRAPH]
THIMEROSAL [USP-RS]
THIMEROSAL [VANDF]
THIOMERSAL [EP MONOGRAPH]
THIOMERSAL [INN]
THIOMERSAL [MART.]
THIOMERSAL [WHO-DD]

Brand / Trade Names

MERTHIOLATE

Systematic Nomenclature

ETHYL (SODIUM O-MERCAPTOBENZOATO)MERCURY

Technical Codes

NSC-4794

NDC Products Containing THIMEROSAL

This unique ingredient identifier is listed as an ingredient or substance in the following products in the NDC directory: