DINITROANILINE ORANGE
UNII E27LT0986O

Substance Identification & Data

This profile provides standardized clinical and technical data for Dinitroaniline Orange, uniquely identified by the FDA Unique Ingredient Identifier (UNII) E27LT0986O.

Technical mappings include the Chemical Abstracts Service (CAS) Registry Number 3468-63-1 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
E27LT0986O
CAS Registry Number
3468-63-1
RxNorm Concept ID
N/A

Detailed Substance Profile

Preferred Name
DINITROANILINE ORANGE
Official standardized name for this substance within the FDA UNII nomenclature system.
InChIKey
C16H10N4O5
International Chemical Identifier digital signature for unique molecular identification.
SMILES String
HBHZKFOUIUMKHV-ISLYRVAYSA-N
Line notation for describing the chemical structure and connectivity of atoms.
NCI Thesaurus
National Cancer Institute reference terminology for clinical and research data.
Substance Type
chemical
ISO 11238 classification category (e.g., Chemical, Polymer, Protein).
Ingredient Role
c1(c(ccc2ccccc21)O)/N=N/c3ccc(cc3[N+]([O-])=O)[N+]([O-])=O

Synonyms and Nomenclature

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

DAIDAI203
PIGMENT ORANGE 5

Common Names & Synonyms

C.I. PIGMENT ORANGE 5
CI 12075
D&C ORANGE NO. 17 (DELISTED)
DINITROANILINE ORANGE
DINITROANILINE RED
DNA ORANGE
ORANGE 2G
ORANGE NO. 203
PERMANENT ORANGE
PIGMENT ORANGE 5 [HSDB]

Systematic Nomenclature

1-((2,4-DINITROPHENYL)AZO)-2-NAPHTHALENOL
1-((2,4-DINITROPHENYL)AZO)-2-NAPHTHOL
2-NAPHTHALENOL, 1-((2,4-DINITROPHENYL)AZO)-

Technical Codes

NSC-15975