NIACINAMIDE
UNII 25X51I8RD4

Substance Identification & Data

This profile provides standardized clinical and technical data for Niacinamide, uniquely identified by the FDA Unique Ingredient Identifier (UNII) 25X51I8RD4.

Technical mappings include the Chemical Abstracts Service (CAS) Registry Number 98-92-0 and the RxNorm Concept ID (RxCUI) 7405. Explore the sections below for detailed nomenclature and a complete directory of NDC-listed products containing this ingredient.

FDA UNII Code
25X51I8RD4
CAS Registry Number
98-92-0
RxNorm Concept ID

Detailed Substance Profile

Preferred Name
NIACINAMIDE
Official standardized name for this substance within the FDA UNII nomenclature system.
Molecular Formula
25X51I8RD4
The specific atomic composition represented as a molecular structure string.
InChIKey
C6H6N2O
International Chemical Identifier digital signature for unique molecular identification.
SMILES String
DFPAKSUCGFBDDF-UHFFFAOYSA-N
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
404
Sequential identifier assigned via the WHO International Nonproprietary Name program.
Substance Type
chemical
ISO 11238 classification category (e.g., Chemical, Polymer, Protein).
Ingredient Role
C(c1cnccc1)(=O)N

Synonyms and Nomenclature

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

NIACINAMIDE
NICOTINAMIDE

Common Names & Synonyms

NIACIN (AS NIACINAMIDE) [VANDF]
NIACINAMID
NIACINAMIDE [FCC]
NIACINAMIDE [HSDB]
NIACINAMIDE [II]
NIACINAMIDE [ORANGE BOOK]
NIACINAMIDE [USP MONOGRAPH]
NIACINAMIDE [USP-RS]
NIACINAMIDE [VANDF]
NICOTINAMIDE [EP IMPURITY]
NICOTINAMIDE [EP MONOGRAPH]
NICOTINAMIDE [INN]
NICOTINAMIDE [JAN]
NICOTINAMIDE [MART.]
NICOTINAMIDE [MI]
NICOTINAMIDE [WHO-DD]
NICOTINAMIDE [WHO-IP]
NICOTINAMIDUM
NICOTINAMIDUM [HPUS]
NICOTINAMIDUM [WHO-IP LATIN]
TPN COMPONENT NIACINAMIDE

Technical Codes

NSC-13128
NSC-27452

NDC Products Containing NIACINAMIDE

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