D&C RED NO. 30
UNII 2S42T2808B

Substance Identification & Data

This profile provides standardized clinical and technical data for D&c Red No. 30, uniquely identified by the FDA Unique Ingredient Identifier (UNII) 2S42T2808B.

Technical mappings include the Chemical Abstracts Service (CAS) Registry Number 52641-31-3 and the RxNorm Concept ID (RxCUI) 1311176. Explore the sections below for detailed nomenclature and a complete directory of NDC-listed products containing this ingredient.

FDA UNII Code
2S42T2808B
CAS Registry Number
52641-31-3
RxNorm Concept ID

Detailed Substance Profile

Preferred Name
D&C RED NO. 30
Official standardized name for this substance within the FDA UNII nomenclature system.
Molecular Formula
2S42T2808B
The specific atomic composition represented as a molecular structure string.
InChIKey
C18H10Cl2O2S2
International Chemical Identifier digital signature for unique molecular identification.
SMILES String
NDDLLTAIKYHPOD-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.
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
c1c2S\C(\C(c2c(C)cc1Cl)=O)=C/3\Sc4cc(Cl)cc(c4C3=O)C

Synonyms and Nomenclature

This section provides a complete list of nomenclature and identifier mappings for D&c Red No. 30. 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

AKA226
CI 73360
RED 30
VAT RED 1

Common Names & Synonyms

5,5'-DICHLORO-3,3'-DIMETHYL-THIOINDIGO
D&C RED NO. 30
D&C RED NO. 30 [II]
DC RED NO. 30
DYE DC RED NO. 30
DYE RED NO. 30
JAPAN RED 226
PIGMENT RED 181

Systematic Nomenclature

6,6'-DICHLORO-4,4'-DIMETHYL-3H,3'H-2,2'-BI-1-BENZOTHIOPHENE-3,3'-DIONE
6-CHLORO-2-(6-CHLORO-4-METHYL-3-OXOBENZO(B)THIEN-2(3H)-YLIDENE)-4-METHYL-BENZO(B)THIOPHEN-3(2H)-ONE
BENZO(B)THIOPHEN-3(2H)-ONE, 6-CHLORO-2-(6-CHLORO-4-METHYL-3-OXOBENZO(B)THIEN-2(3H)-YLIDENE)-4-METHYL-

NDC Products Containing D&C RED NO. 30

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