3-METHYL-4-ISOXAZOLECARBOXYLIC ACID
UNII W4B6RR5U86

Substance Identification & Data

This profile provides standardized clinical and technical data for 3-methyl-4-isoxazolecarboxylic Acid, uniquely identified by the FDA Unique Ingredient Identifier (UNII) W4B6RR5U86.

Technical mappings include the Chemical Abstracts Service (CAS) Registry Number 17153-20-7 and the RxNorm Concept ID (RxCUI) N/A. Explore the sections below for detailed nomenclature and a complete directory of NDC-listed products containing this ingredient.

FDA UNII Code

W4B6RR5U86

CAS Registry Number

17153-20-7

RxNorm Concept ID

N/A

Detailed Substance Profile

Preferred Name

3-METHYL-4-ISOXAZOLECARBOXYLIC ACID

Official standardized name for this substance within the FDA UNII nomenclature system.

InChIKey

C5H5NO3

International Chemical Identifier digital signature for unique molecular identification.

SMILES String

YBLSBWHFPXDRHC-UHFFFAOYSA-N

Line notation for describing the chemical structure and connectivity of atoms.

PubChem CID

4589692

Unique identification number in the NCBI database of chemical substances.

Substance Type

chemical

ISO 11238 classification category (e.g., Chemical, Polymer, Protein).

Ingredient Role

Cc1c(con1)C(=O)O

Synonyms and Nomenclature

This section provides a complete list of nomenclature and identifier mappings for 3-methyl-4-isoxazolecarboxylic Acid. 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.