Inactive / Discontinued
METHIMAZOLE
UNII 554Z48XN5E
Substance Identification & Data
This profile provides standardized clinical and technical data for Methimazole, uniquely identified by the FDA Unique Ingredient Identifier (UNII) 554Z48XN5E.
Technical mappings include the Chemical Abstracts Service (CAS) Registry Number 60-56-0 and the RxNorm Concept ID (RxCUI) 6835. Explore the sections below for detailed nomenclature and a complete directory of NDC-listed products containing this ingredient.
Detailed Substance Profile
Preferred Name
METHIMAZOLE
Official standardized name for this substance within the FDA UNII nomenclature system.
Molecular Formula
554Z48XN5E
The specific atomic composition represented as a molecular structure string.
InChIKey
C4H6N2S International Chemical Identifier digital signature for unique molecular identification.
SMILES String
PMRYVIKBURPHAH-UHFFFAOYSA-N Line notation for describing the chemical structure and connectivity of atoms.
INN ID
4198
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(n(cc[nH]1)C)=S
Synonyms and Nomenclature
This section provides a complete list of nomenclature and identifier mappings for Methimazole. 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
THIAMAZOLE
Common Names & Synonyms
METHIMAZOLE
METHIMAZOLE [HSDB]
METHIMAZOLE [IARC]
METHIMAZOLE [MI]
METHIMAZOLE [ORANGE BOOK]
METHIMAZOLE [USP MONOGRAPH]
METHIMAZOLE [USP-RS]
METHIMAZOLE [VANDF]
THIAMAZOLE [EP MONOGRAPH]
THIAMAZOLE [INN]
THIAMAZOLE [JAN]
THIAMAZOLE [MART.]
THIAMAZOLE [WHO-DD]
Brand / Trade Names
MERCAPTIZOLE
TAPAZOLE
Systematic Nomenclature
1-METHYLIMIDAZOLE-2-THIOL
2H-IMIDAZOLE-2-THIONE, 1,3-DIHYDRO-1-METHYL-
Technical Codes
NSC-38608
NDC Products Containing METHIMAZOLE
This unique ingredient identifier is listed as an ingredient or substance in the following products in the NDC directory:
