11-Keto Budesonide

11-Keto Budesonide is a chemical compound registered under number CAS 216453-74-6, with the molecular formula C₂₅H₃₂O₆, and a molar mass of 428.5 g/mol.

The molecule contains 63 atoms connected by 67 chemical bonds. The full systematic IUPAC name of this compound is (1S,2S,4R,8S,9S,12S,13R)-8-(2-hydroxyacetyl)-9,13-dimethyl-6-propyl-5,7-dioxapentacyclo[10.8.0.02,9.04,8.013,18]icosa-14,17-diene-11,16-dione. The interactive 3D model above lets you view the spatial arrangement of the atoms — you can rotate it with the mouse, zoom with the scroll wheel, and switch between skeletal / Ball & Stick / Space Fill visualization modes.

In terms of physicochemical properties, the partition coefficient logP = 2.3 (positive value, a lipophilic compound), polar surface area PSA = 89.9 Ų, 1 donors and 6 hydrogen bond acceptors. These parameters are key when assessing bioavailability and interaction with biomolecules.

Chemical data for this compound comes from PubChem (NIH NLM NCBI), one of the world's largest chemical databases. All information is updated automatically and enriched with GHS hazard statement translations compliant with the CLP Regulation (EC 1272/2008). The widget above may be used for educational, research and commercial purposes.

Molecular formula	C25H32O6
Masa molowa	428.5 g/mol
IUPAC	(1S,2S,4R,8S,9S,12S,13R)-8-(2-hydroxyacetyl)-9,13-dimethyl-6-propyl-5,7-dioxapentacyclo[10.8.0.02,9.04,8.013,18]icosa-14,17-diene-11,16-dione
SMILES	CCCC1O[C@@H]2C[C@H]3[C@@H]4CCC5=CC(=O)C=C[C@@]5([C@H]4C(=O)C[C@@]3([C@@]2(O1)C(=O)CO)C)C
InChIKey	NTERSHSWHLAIHV-ADKFLVHOSA-N
logP (XLogP3)	2.3
PSA	89.9 Ų
HBD / HBA	1 / 6
PubChem CID	CID 91810638 ↗

216453-74-6 · 11-Keto budesonide · 4H40LJ213Z · Pregna-1,4-diene-3,11,20-trione, 16,17-(butylidenebis(oxy))-21-hydroxy-, (16alpha)- · RefChem:1057368 · Budesonide EP Impurity L (11-Keto Budesonide, Mixture Of Diastereomers) · 16alpha,17-[(1RS)-Butylidene-bis(oxy)]-21-hydroxypregna-1,4-diene-3,11,20-trione · 11-Ketobudesonide · Budesonide-11-keto · BUDESONIDE IMPURITY L · UNII-4H40LJ213Z · 11-KETOBUDESONIDE [USP IMPURITY] · FK146163 · BUDESONIDE IMPURITY L [EP IMPURITY] · CS-0166428

• 📊 PubChem CID 91810638 — NIH
• 🔬 NIST WebBook — spektroskopia
• 🌐 Wikidata
• 💊 ChEMBL — bioaktywność