CAFFEINE
UNII 3G6A5W338E

Substance Identification & Data

This profile provides standardized clinical and technical data for Caffeine, uniquely identified by the FDA Unique Ingredient Identifier (UNII) 3G6A5W338E.

Technical mappings include the Chemical Abstracts Service (CAS) Registry Number 58-08-2 and the RxNorm Concept ID (RxCUI) 1886. Explore the sections below for detailed nomenclature and a complete directory of NDC-listed products containing this ingredient.

FDA UNII Code
3G6A5W338E
CAS Registry Number
58-08-2
RxNorm Concept ID

Detailed Substance Profile

Preferred Name
CAFFEINE
Official standardized name for this substance within the FDA UNII nomenclature system.
Molecular Formula
3G6A5W338E
The specific atomic composition represented as a molecular structure string.
InChIKey
C8H10N4O2
International Chemical Identifier digital signature for unique molecular identification.
SMILES String
RYYVLZVUVIJVGH-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.
Substance Type
chemical
ISO 11238 classification category (e.g., Chemical, Polymer, Protein).
Ingredient Role
c12c(c(=O)n(c(n1C)=O)C)n(C)cn2

Synonyms and Nomenclature

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

CAFFEINE

Common Names & Synonyms

ANHYDROUS CAFFEINE
ANHYDROUS CAFFEINE [JAN]
ANOQUAN COMPONENT CAFFEINE
CAFERGOT COMPONENT CAFFEINE
CAFFEINE [EP MONOGRAPH]
CAFFEINE [FCC]
CAFFEINE [FHFI]
CAFFEINE [HSDB]
CAFFEINE [IARC]
CAFFEINE [II]
CAFFEINE [MART.]
CAFFEINE [MI]
CAFFEINE [ORANGE BOOK]
CAFFEINE [USP MONOGRAPH]
CAFFEINE [USP-RS]
CAFFEINE [VANDF]
CAFFEINE [WHO-DD]
CAFFEINE [WHO-IP]
CAFFEINE ANHYDROUS [WHO-IP]
CAFFEINE MELTING POINT STANDARD
CAFFEINUM
CAFFEINUM [HPUS]
COFFEINUM [WHO-IP LATIN]
DARVON COMPOUND COMPONENT CAFFEINE
DHC PLUS COMPONENT CAFFEINE
DIMENHYDRINATE IMPURITY C
DIMENHYDRINATE IMPURITY C [EP IMPURITY]
DURVITAN
ESGIC COMPONENT CAFFEINE
EXCEDRIN COMPONENT CAFFEINE
FEMCET COMPONENT CAFFEINE
FIORICET COMPONENT CAFFEINE
FIORINAL COMPONENT CAFFEINE
GUARANINE
INVAGESIC COMPONENT CAFFEINE
INVAGESIC FORTE COMPONENT CAFFEINE
LANORINAL COMPONENT CAFFEINE
MEDIGESIC PLUS COMPONENT CAFFEINE
MIGERGOT COMPONENT CAFFEINE
NORGESIC COMPONENT CAFFEINE
ORPHENGESIC COMPONENT CAFFEINE
ORPHENGESIC FORTE COMPONENT CAFFEINE
PENTOXIFYLLINE IMPURITY F [EP IMPURITY]
SYNALGOS
SYNALGOS-DC COMPONENT CAFFEINE
SYNALGOS-DC-A COMPONENT CAFFEINE
THEINE
THEOPHYLLINE IMPURITY A [EP IMPURITY]
THEOPHYLLINE MONOHYDRATE IMPURITY A [EP IMPURITY]
TRIAD COMPONENT CAFFEINE
VIVARIN
WIGRAINE COMPONENT CAFFEINE

Brand / Trade Names

TREZIX COMPONENT CAFFEINE

Systematic Nomenclature

1,3,7-TRIMETHYLXANTHINE
1H-PURINE-2,6-DIONE, 3,7-DIHYDRO-1,3,7-TRIMETHYL-
METHYLTHEOBROMINE

Technical Codes

FEMA NO. 2224
NSC-5036

NDC Products Containing CAFFEINE

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