BUDESONIDE 21-ACETATE
UNII 4AZ2VA5QDS

Substance Identification & Data

This profile provides standardized clinical and technical data for Budesonide 21-acetate, uniquely identified by the FDA Unique Ingredient Identifier (UNII) 4AZ2VA5QDS.

Technical mappings include the Chemical Abstracts Service (CAS) Registry Number 51333-05-2 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
4AZ2VA5QDS
CAS Registry Number
51333-05-2
RxNorm Concept ID
N/A

Detailed Substance Profile

Preferred Name
BUDESONIDE 21-ACETATE
Official standardized name for this substance within the FDA UNII nomenclature system.
InChIKey
C27H36O7
International Chemical Identifier digital signature for unique molecular identification.
SMILES String
QZIYSFVNRMBENV-PONRWWDOSA-N
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
C=1C(C=C2[C@](C1)([C@@]3([C@@](CC2)([C@]4([C@](C[C@@H]3O)([C@]5([C@@H](C4)OC(O5)CCC)C(=O)COC(=O)C)C)[H])[H])[H])C)=O

Synonyms and Nomenclature

This section provides a complete list of nomenclature and identifier mappings for Budesonide 21-acetate. 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.

Common Names & Synonyms

BUDESONIDE 21-ACETATE
BUDESONIDE 21-ACETATE (EPIMERS) [USP IMPURITY]
BUDESONIDE IMPURITY K [EP IMPURITY]

Systematic Nomenclature

(11.BETA.,16.ALPHA.)-21-(ACETYLOXY)-16,17-(BUTYLIDENEBIS(OXY))-11-HYDROXYPREGNA-1,4-DIENE-3,20-DIONE
16.ALPHA.,17-((1RS)-BUTYLIDENEBIS(OXY))-11.BETA.,21-DIHYDROXYPREGNA-1,4-DIENE-3,20-DIONE-21-ACETATE
21-(ACETOXY)-16.ALPHA.,17.ALPHA.-(BUTYLIDENEDIOXY)-11.BETA.-HYDROXYPREGNA-1,4-DIENE-3,20-DIONE