BENZIDINE YELLOW
UNII N52TUS5TRY

Substance Identification & Data

This profile provides standardized clinical and technical data for Benzidine Yellow, uniquely identified by the FDA Unique Ingredient Identifier (UNII) N52TUS5TRY.

Technical mappings include the Chemical Abstracts Service (CAS) Registry Number 6358-85-6 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
N52TUS5TRY
CAS Registry Number
6358-85-6
RxNorm Concept ID
N/A

Detailed Substance Profile

Preferred Name
BENZIDINE YELLOW
Official standardized name for this substance within the FDA UNII nomenclature system.
InChIKey
C32H26Cl2N6O4
International Chemical Identifier digital signature for unique molecular identification.
SMILES String
GNCOVOVCHIHPHP-HVMBLDELSA-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
c1ccc(cc1)NC(=O)C(C(=O)C)/N=N/c2ccc(cc2Cl)-c3cc(c(\N=N\C(C(=O)C)C(=O)Nc4ccccc4)cc3)Cl

Synonyms and Nomenclature

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

KI205
PIGMENT YELLOW 12

Common Names & Synonyms

(+/-)-PIGMENT YELLOW 12
2,2'-((3,3'-DICHLORO(1,1'-BIPHENYL)-4,4'-DIYL)BIS(AZO))BIS(3-OXO-N-PHENYLBUTANAMIDE
ACETOACETANILIDE, 2,2''-(3,3'-DICHLORO-4,4'-BIPHENYLYLENEBISAZO)BIS-
BENZIDINE YELLOW
C.I. PIGMENT YELLOW 12
CI 21090
JAPAN YELLOW NO. 205
KROMON YELLOW MTB
YELLOW NO. 205

Brand / Trade Names

DAINICHI BENZIDINE YELLOW G
LIONOL YELLOW GR
SANYO BENZIDINE YELLOW B

Systematic Nomenclature

BUTANAMIDE, 2,2'-((3,3'-DICHLORO(1,1'-BIPHENYL)-4,4'-DIYL)BIS(2,1-DIAZENEDIYL))BIS(3-OXO-N-PHENYL-
BUTANAMIDE, 2,2'-((3,3'-DICHLORO(1,1'-BIPHENYL)-4,4'-DIYL)BIS(AZO))BIS(3-OXO-N-PHENYL-

Technical Codes

NSC-521237