ETHINYL ESTRADIOL
UNII 423D2T571U

Substance Identification & Data

This profile provides standardized clinical and technical data for Ethinyl Estradiol, uniquely identified by the FDA Unique Ingredient Identifier (UNII) 423D2T571U.

Technical mappings include the Chemical Abstracts Service (CAS) Registry Number 57-63-6 and the RxNorm Concept ID (RxCUI) 4124. Explore the sections below for detailed nomenclature and a complete directory of NDC-listed products containing this ingredient.

FDA UNII Code
423D2T571U
CAS Registry Number
57-63-6
RxNorm Concept ID

Detailed Substance Profile

Preferred Name
ETHINYL ESTRADIOL
Official standardized name for this substance within the FDA UNII nomenclature system.
Molecular Formula
423D2T571U
The specific atomic composition represented as a molecular structure string.
InChIKey
C20H24O2
International Chemical Identifier digital signature for unique molecular identification.
SMILES String
BFPYWIDHMRZLRN-SLHNCBLASA-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.
INN ID
437
Sequential identifier assigned via the WHO International Nonproprietary Name program.
Substance Type
chemical
ISO 11238 classification category (e.g., Chemical, Polymer, Protein).
Ingredient Role
[C@]12([C@]([C@@]3(CCc4c([C@]3(CC1)[H])ccc(O)c4)[H])(CC[C@]2(C#C)O)[H])C

Synonyms and Nomenclature

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

ETHINYLESTRADIOL

Common Names & Synonyms

17ALPHA-ETHINYLESTRADIOL
17-ETHINYLESTRADIOL
19-NOR-17.ALPHA.-PREGNA-1,3,5(10)-TRIEN-20-YNE-3,17-DIOL
19-NORPREGNA-1,3,5(10)-TRIEN-20-YNE-3,17-DIOL, (17.ALPHA.)-
ALESSE COMPONENT ETHINYL ESTRADIOL
ALTAVERA COMPONENT ETHINYL ESTRADIOL
ARANELLE COMPONENT ETHINYL ESTRADIOL
BEYAZ COMPONENT ETHINYL ESTRADIOL
CRYSELLE COMPONENT ETHINYL ESTRADIOL
CYCLESSA COMPONENT ETHINYL ESTRADIOL
DESOGEN COMPONENT ETHINYL ESTRADIOL
ESTROSTEP FE COMPONENT ETHINYL ESTRADIOL
ETHINYL ESTRADIOL
ETHINYL ESTRADIOL [EMA EPAR]
ETHINYL ESTRADIOL [HSDB]
ETHINYL ESTRADIOL [MI]
ETHINYL ESTRADIOL [ORANGE BOOK]
ETHINYL ESTRADIOL [USP MONOGRAPH]
ETHINYL ESTRADIOL [USP-RS]
ETHINYL ESTRADIOL [VANDF]
ETHINYLESTRADIOL [EP MONOGRAPH]
ETHINYLESTRADIOL [INN]
ETHINYLESTRADIOL [JAN]
ETHINYLESTRADIOL [MART.]
ETHINYLESTRADIOL [WHO-DD]
ETHINYLESTRADIOL [WHO-IP]
ETHINYLESTRADIOLUM [WHO-IP LATIN]
ETHINYLOESTRADIOL
FEMCON FE COMPONENT ETHINYL ESTRADIOL
FEMHRT COMPONENT ETHINYL ESTRADIOL
INTROVALE COMPONENT ETHINYL ESTRADIOL
KARIVA COMPONENT ETHINYL ESTRADIOL
KELNOR COMPONENT ETHINYL ESTRADIOL
KURVELO COMPONENT ETHINYL ESTRADIOL
LEVLITE COMPONENT ETHINYL ESTRADIOL
LEVONEST COMPONENT ETHINYL ESTRADIOL
LO LOESTRIN FE COMPONENT ETHINYL ESTRADIOL
LOSEASONIQUE COMPONENT ETHINYL ESTRADIOL
LYBREL COMPONENT ETHINYL ESTRADIOL
MIRCETTE COMPONENT ETHINYL ESTRADIOL
NORQUEST FE COMPONENT ETHINYL ESTRADIOL
NUVARING COMPONENT ETHINYL ESTRADIOL
ORSYTHIA COMPONENT ETHINYL ESTRADIOL
ORTHO TRI-CYCLEN COMPONENT ETHINYL ESTRADIOL
ORTHO-CEPT COMPONENT ETHINYL ESTRADIOL
OVRAL COMPONENT ETHINYL ESTRADIOL
PREVEN COMPONENT ETHINYL ESTRADIOL
PREVIFEM COMPONENT ETHINYL ESTRADIOL
QUASENSE COMPONENT ETHINYL ESTRADIOL
SAFYRAL COMPONENT ETHINYL ESTRADIOL
SEASONALE COMPONENT ETHINYL ESTRADIOL
SEASONIQUE COMPONENT ETHINYL ESTRADIOL
SPRINTEC COMPONENT ETHINYL ESTRADIOL
TRI LO SPRINTEC COMPONENT ETHINYL ESTRADIOL
TRI-LEGEST FE COMPONENT ETHINYL ESTRADIOL
TRI-PREVIFEM COMPONENT ETHINYL ESTRADIOL
TRI-SPRINTEC COMPONENT ETHINYL ESTRADIOL
VELIVET COMPONENT ETHINYL ESTRADIOL
YASMIN COMPONENT ETHINYL ESTRADIOL
YAZ COMPONENT ETHINYL ESTRADIOL

Brand / Trade Names

ANNOVERA COMPONENT ETHINYL ESTRADIOL
AVIANE COMPONENT ETHINYL ESTRADIOL
BEKYREE COMPONENT ETHINYL ESTRADIOL
BREVICON COMPONENT ETHINYL ESTRADIOL
ELIFEMME COMPONENT ETHINYL ESTRADIOL
ENPRESSE COMPONENT ETHINYL ESTRADIOL
ENSKYCE COMPONENT ETHINYL ESTRADIOL
ESTINYL
FEMINONE
FEMLYV COMPONENT ETHINYL ESTRADIOL
ISIBLOOM COMPONENT ETHINYL ESTRADIOL
LESSINA COMPONENT ETHINYL ESTRADIOL
LEVORA COMPONENT ETHINYL ESTRADIOL
LO MINASTRIN FE COMPONENT ETHINYL ESTRADIOL
LYNORAL
MARLISSA COMPONENT ETHINYL ESTRADIOL
MINASTRIN 24 FE COMPONENT ETHINYL ESTRADIOL
NORDETTE COMPONENT ETHINYL ESTRADIOL
NORINYL COMPONENT ETHINYL ESTRADIOL
PIMTREA COMPONENT ETHINYL ESTRADIOL
PORTIA COMPONENT ETHINYL ESTRADIOL
QUARTETTE COMPONENT ETHINYL ESTRADIOL
SETLAKIN COMPONENT ETHINYL ESTRADIOL
TAYTULLA COMPONENT ETHINYL ESTRADIOL
TRIPHASIL COMPONENT ETHINYL ESTRADIOL
TRIVORA COMPONENT ETHINYL ESTRADIOL
TWIRLA COMPONENT ETHINYL ESTRADIOL
VIENVA COMPONENT ETHINYL ESTRADIOL
VIORELE COMPONENT ETHINYL ESTRADIOL
VOLNEA COMPONENT ETHINYL ESTRADIOL
VYFEMLA COMPONENT ETHINYL ESTRADIOL
XULANE COMPONENT ETHINYL ESTRADIOL
ZOVIA COMPONENT ETHINYL ESTRADIOL

Technical Codes

NSC-10973

NDC Products Containing ETHINYL ESTRADIOL

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