FLUCLOXACILLIN
UNII 43B2M34G2V

Substance Identification & Data

This profile provides standardized clinical and technical data for Flucloxacillin, uniquely identified by the FDA Unique Ingredient Identifier (UNII) 43B2M34G2V.

Technical mappings include the Chemical Abstracts Service (CAS) Registry Number 5250-39-5 and the RxNorm Concept ID (RxCUI) 4448. Explore the sections below for detailed nomenclature and a complete directory of NDC-listed products containing this ingredient.

FDA UNII Code

43B2M34G2V

CAS Registry Number

5250-39-5

RxNorm Concept ID

4448

Detailed Substance Profile

Preferred Name

FLUCLOXACILLIN

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

InChIKey

C19H17ClFN3O5S

International Chemical Identifier digital signature for unique molecular identification.

SMILES String

UIOFUWFRIANQPC-JKIFEVAISA-N

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

NCI Thesaurus

C80591

National Cancer Institute reference terminology for clinical and research data.

PubChem CID

21319

Unique identification number in the NCBI database of chemical substances.

INN ID

2308

Sequential identifier assigned via the WHO International Nonproprietary Name program.

Substance Type

chemical

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

Ingredient Role

N12[C@@]([C@H](NC(c3c(noc3C)-c4c(F)cccc4Cl)=O)C1=O)(SC([C@@H]2C(=O)O)(C)C)[H]

Synonyms and Nomenclature

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

FLOXACILLIN

FLUCLOXACILLIN

Common Names & Synonyms

3-(2-CHLORO-6-FLUOROPHENYL)-5-METHYL-4-ISOXAZOLYLPENICILLIN

4-THIA-1-AZABICYCLO(3.2.0)HEPTANE-2-CARBOXYLIC ACID, 6-(((3-(2-CHLORO-6-FLUOROPHENYL)-5-METHYL-4-ISOXAZOLYL)CARBONYL)AMINO)-3,3-DIMETHYL-7-OXO-, (2S(2.ALPHA.,5.ALPHA.,6.BETA.))

FLOXACILLIN [MI]

FLOXACILLIN [USAN]

FLUCLOXACILLIN [INN]

FLUCLOXACILLIN [MART.]

FLUCLOXACILLIN [WHO-DD]