D&C RED NO. 21 ALUMINUM LAKE
UNII 2M7H5Y5MJP

Substance Identification & Data

This profile provides standardized clinical and technical data for D&c Red No. 21 Aluminum Lake, uniquely identified by the FDA Unique Ingredient Identifier (UNII) 2M7H5Y5MJP.

Technical mappings include the Chemical Abstracts Service (CAS) Registry Number 15876-39-8 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
2M7H5Y5MJP
CAS Registry Number
15876-39-8
RxNorm Concept ID
N/A

Detailed Substance Profile

Preferred Name
D&C RED NO. 21 ALUMINUM LAKE
Official standardized name for this substance within the FDA UNII nomenclature system.
Molecular Formula
2M7H5Y5MJP
The specific atomic composition represented as a molecular structure string.
InChIKey
3C20H8Br4O5.2Al
International Chemical Identifier digital signature for unique molecular identification.
SMILES String
CZCBLIIGXOOUTD-UHFFFAOYSA-H
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
c1ccc(c(c1)C2c3cc(c(c(c3Oc4c2cc(c(c4Br)[O-])Br)Br)O)Br)C(=O)[O-].[Al+3].c1ccc(c(c1)C2c3cc(c(c(c3Oc4c2cc(c(c4Br)[O-])Br)Br)O)Br)C(=O)[O-].c1ccc(c(c1)C2c3cc(c(c(c3Oc4c2cc(c(c4Br)[O-])Br)Br)O)Br)C(=O)[O-].[Al+3]

Synonyms and Nomenclature

This section provides a complete list of nomenclature and identifier mappings for D&c Red No. 21 Aluminum Lake. 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

D&C RED NO. 21 ALUMINUM LAKE
PIGMENT RED 90:1 ALUMINUM LAKE
RED 21 LAKE

Common Names & Synonyms

2',4',5',7'-TETRABROMOFLUORESCEIN ALUMINUM SALT
C.I. 45380:3
C.I. PIGMENT RED 90 ALUMINUM SALT
C.I. PIGMENT RED 90:1
CI 45380:3
D&C RED 21 ALUMINUM LAKE
D&C RED NO. 21--ALUMINUM LAKE
DC RED NO. 21-ALUMINUM LAKE
DYE DC RED NO. 21 ALUMINIUM LAKE
EOSINE, ALUMINUM SALT
FLUORESCEIN, 2',4',5',7'-TETRABROMO-, ALUMINUM SALT
JAPAN RED 230 ALUMINUM LAKE
PIGMENT RED 90:1
RED 230 ALUMINUM LAKE

Systematic Nomenclature

ALUMINUM, TRIS(2',4',5',7'-TETRABROMOFLUORESCEINATO(2-))DI-
DIALUMINUM TRIS(2-(2,4,5,7-TETRABROMO-6-OXIDO-3-OXOXANTHEN-9-YL)BENZOATE)
SPIRO(ISOBENZOFURAN-1(3H),9'-(9H)XANTHEN)-3-ONE, 2',4',5',7'-TETRABROMO-3',6'-DIHYDROXY-, ALUMINUM SALT (3:2)