AMARANTH
UNII 37RBV3X49K

Substance Identification & Data

This profile provides standardized clinical and technical data for Amaranth, uniquely identified by the FDA Unique Ingredient Identifier (UNII) 37RBV3X49K.

Technical mappings include the Chemical Abstracts Service (CAS) Registry Number 915-67-3 and the RxNorm Concept ID (RxCUI) 1433189. Explore the sections below for detailed nomenclature and a complete directory of NDC-listed products containing this ingredient.

FDA UNII Code
37RBV3X49K
CAS Registry Number
915-67-3
RxNorm Concept ID

Detailed Substance Profile

Preferred Name
AMARANTH
Official standardized name for this substance within the FDA UNII nomenclature system.
Molecular Formula
37RBV3X49K
The specific atomic composition represented as a molecular structure string.
InChIKey
C20H11N2O10S3.3Na
International Chemical Identifier digital signature for unique molecular identification.
SMILES String
WLDHEUZGFKACJH-ZRUFZDNISA-K
Line notation for describing the chemical structure and connectivity of atoms.
NCI Thesaurus
National Cancer Institute reference terminology for clinical and research data.
Substance Type
chemical
ISO 11238 classification category (e.g., Chemical, Polymer, Protein).
Ingredient Role
c1(c(c(cc2c1ccc(c2)S([O-])(=O)=O)S([O-])(=O)=O)O)/N=N/c3c4c(c(cc3)S([O-])(=O)=O)cccc4.[Na+].[Na+].[Na+]

Synonyms and Nomenclature

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

ACID RED 27
AKA2
CI 16185

Common Names & Synonyms

1-(4-SULFO-1-NAPHTHYLAZO)-2-NAPHTHOL-3,6-DISULFONIC ACID TRISODIUM SALT
2,7-NAPHTHALENEDISULFONIC ACID, 3-HYDROXY-4-((E)-(4-SULFO-1-NAPHTHALENYL)AZO)-, TRISODIUM SALT
3-HYDROXY-4-(2-(4-SULFO-1-NAPHTHALENYL)DIAZENYL)-2,7-NAPHTHALENEDISULFONIC ACID SODIUM SALT (1:3)
AMARANTH
AMARANTH (DYE)
AMARANTH (DYE) [MI]
AMARANTH (E 123)
AMARANTH [IARC]
AMARANTH [MART.]
AMARANTH [USP-RS]
AMARANTH DYE [HSDB]
C.I. 16185
C.I. ACID RED 27
C.I. FOOD RED 9
CI-FOOD RED 9
FD&C RED NO. 2 (DELISTED)
FD&C RED NO. 2 (DELISTED) [II]
NAPHTOL ROT S.
RED NO. 2
TRISODIUM 3-HYDROXY-4-((E)-(4-SULFONATO-1-NAPHTHYL)DIAZENYL)NAPHTHALENE-2,7-DISULFONATE
TRISODIUM 3-HYDROXY-4-((E)-(4-SULPHONATO-1-NAPHTHYL)DIAZENYL)NAPHTHALENE-2,7-DISULPHONATE

Technical Codes

B1717 [LANGUAL]
CI-(1975)NO.16185
E-123
INS NO.123
INS-123
NSC-215207
NSC-4300

NDC Products Containing AMARANTH

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