ACID ORANGE 156
UNII L9BA8PT45E

Substance Identification & Data

This profile provides standardized clinical and technical data for Acid Orange 156, uniquely identified by the FDA Unique Ingredient Identifier (UNII) L9BA8PT45E.

Technical mappings include the Chemical Abstracts Service (CAS) Registry Number 68555-86-2 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
L9BA8PT45E
CAS Registry Number
68555-86-2
RxNorm Concept ID
N/A

Detailed Substance Profile

Preferred Name
ACID ORANGE 156
Official standardized name for this substance within the FDA UNII nomenclature system.
InChIKey
C21H19N4O5S.Na
International Chemical Identifier digital signature for unique molecular identification.
SMILES String
DBSJKTVELUTRJM-ZDWKHXMKSA-M
Line notation for describing the chemical structure and connectivity of atoms.
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
c1(ccc(cc1)\N=N\c2cc(c(cc2C)\N=N\c3ccc(cc3)OC)OC)S(=O)([O-])=O.[Na+]

Synonyms and Nomenclature

This section provides a complete list of nomenclature and identifier mappings for Acid Orange 156. 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.

Common Names & Synonyms

ACID ORANGE 156
C.I. 26501
C.I. ACID ORANGE 156
CI 26501
CI ACID ORANGE 156

Systematic Nomenclature

BENZENESULFONIC ACID, 4-((5-METHOXY-4-((4-METHOXYPHENYL)AZO)-2-METHYLPHENYL)AZO)-, SODIUM SALT
BENZENESULFONIC ACID, 4-(2-(5-METHOXY-4-(2-(4-METHOXYPHENYL)DIAZENYL)-2-METHYLPHENYL)DIAZENYL)-, SODIUM SALT (1:1)