FOSPHENYTOIN
UNII B4SF212641

Substance Identification & Data

This profile provides standardized clinical and technical data for Fosphenytoin, uniquely identified by the FDA Unique Ingredient Identifier (UNII) B4SF212641.

Technical mappings include the Chemical Abstracts Service (CAS) Registry Number 93390-81-9 and the RxNorm Concept ID (RxCUI) 72236. Explore the sections below for detailed nomenclature and a complete directory of NDC-listed products containing this ingredient.

FDA UNII Code

B4SF212641

CAS Registry Number

93390-81-9

RxNorm Concept ID

72236

Detailed Substance Profile

Preferred Name

FOSPHENYTOIN

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

InChIKey

C16H15N2O6P

International Chemical Identifier digital signature for unique molecular identification.

SMILES String

XWLUWCNOOVRFPX-UHFFFAOYSA-N

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

NCI Thesaurus

C65766

National Cancer Institute reference terminology for clinical and research data.

PubChem CID

56339

Unique identification number in the NCBI database of chemical substances.

INN ID

6484

Sequential identifier assigned via the WHO International Nonproprietary Name program.

Substance Type

chemical

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

Ingredient Role

N1(C(C(c2ccccc2)(c3ccccc3)NC1=O)=O)COP(O)(O)=O

Synonyms and Nomenclature

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