YELLOW OB
UNII QE535CBH7S

Substance Identification & Data

This profile provides standardized clinical and technical data for Yellow Ob, uniquely identified by the FDA Unique Ingredient Identifier (UNII) QE535CBH7S.

Technical mappings include the Chemical Abstracts Service (CAS) Registry Number 131-79-3 and the RxNorm Concept ID (RxCUI) 1874282. Explore the sections below for detailed nomenclature and a complete directory of NDC-listed products containing this ingredient.

FDA UNII Code
QE535CBH7S
CAS Registry Number
131-79-3
RxNorm Concept ID

Detailed Substance Profile

Preferred Name
YELLOW OB
Official standardized name for this substance within the FDA UNII nomenclature system.
Molecular Formula
QE535CBH7S
The specific atomic composition represented as a molecular structure string.
InChIKey
C17H15N3
International Chemical Identifier digital signature for unique molecular identification.
SMILES String
BWLVSYUUKOQICP-FMQUCBEESA-N
Line notation for describing the chemical structure and connectivity of atoms.
Substance Type
chemical
ISO 11238 classification category (e.g., Chemical, Polymer, Protein).
Ingredient Role
c12c(/N=N/c3c(cccc3)C)c(ccc1cccc2)N

Synonyms and Nomenclature

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

1-(O-TOLYLAZO)-2-NAPHTHYLAMINE
C.I. FOOD YELLOW 11
C.I. SOLVENT YELLOW 6
CERISOL YELLOW TB
DOLKWAL YELLOW OB
EXT D AND C YELLOW NO. 10
FD&C YELLOW NO. 4 (DELISTED)
JAUNE OB
OIL YELLOW OB
YELLOW OB
YELLOW OB [IARC]
YELLOW OB [MI]
ZLUT MASELNA OB

Brand / Trade Names

A.F. YELLOW NO. 3

Systematic Nomenclature

1-(2-METHYLPHENYL)AZO-2-NAPHTHALENAMINE

Technical Codes

NSC-11234

NDC Products Containing YELLOW OB

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