Budesonide Impurity 4

Name: Budesonide Impurity 4
Brand: Vaqora Chemicals
SKU: VQ-035000

About Budesonide Impurity 4

Budesonide Impurity 4 is an impurity of Budesonide carrying the CAS registry number 77017-17-5. The compound has the formula C21H26O5, corresponding to a molecular weight of 358.4 g/mol. Common synonyms include [2,1-b]Furan-4,9(2H,6aH)-dione Prednisolone and Budesonide Impurity 26.

The product is provided as a solid. Store the standard in its sealed vial, protected from light and moisture, and follow the storage condition printed on the COA. Handle it with standard laboratory precautions and appropriate personal protective equipment.

This Budesonide impurity supports analytical method development and validation (AMV), batch release testing and the impurity sections of ANDA and DMF filings. It is used across pharmaceutical manufacturing and academic and industrial research.

Available in 10 mg, 25 mg, 50 mg and 100 mg packs, Budesonide Impurity 4 is dispatched with a Certificate of Analysis (COA) to destinations worldwide.

Typical applications

Analytical method development
Method validation (AMV)
QC release testing
ANDA / DMF filings

Industries

Related to Budesonide

View every impurity, metabolite and intermediate we list for Budesonide.

Budesonide impurities

Specifications & identifiers

Chemical identifiers
Product name	Budesonide Impurity 4
Catalogue No.	VQ-035000
CAS Number	77017-17-5
IUPAC name	(1S,2S,4R,8S,9S,11S,12S,13R)-6,11-dihydroxy-9,13-dimethyl-5-oxapentacyclo[10.8.0.02,9.04,8.013,18]icosa-14,17-diene-7,16-dione
Molecular formula	C₂₁H₂₆O₅
Molecular weight	358.4 g/mol
Exact mass	358.178
Grade	Reference Standard
HSN code	38229090
InChIKey	HRAJFARIVRAKMV-JPEXYLPYSA-N
SMILES	C[C@]12C[C@@H]([C@H]3[C@H]([C@@H]1C[C@@H]4[C@H]2C(=O)C(O4)O)CCC5=CC(=O)C=C[C@]35C)O
PubChem CID	163203299

Physical properties
Physical form	Solid
LogP (XLogP3)	1.6
H-bond donors / acceptors	2 / 5
TPSA	83.8 Å²

Documents

Safety Data Sheet (SDS)16-section GHS · on request Certificate of AnalysisTypical / batch COA · on request Specification sheetTDS / MOA · on request

Frequently asked questions

What is the CAS number of Budesonide Impurity 4?

The CAS Registry Number of Budesonide Impurity 4 is 77017-17-5. It is also known as [2,1-b]Furan-4,9(2H,6aH)-dione Prednisolone, Budesonide Impurity 26, Prednisolone Impurity 2.

What is the molecular formula and molecular weight of Budesonide Impurity 4?

Budesonide Impurity 4 has the molecular formula C21H26O5 and a molecular weight of 358.4 g/mol. Its IUPAC name is (1S,2S,4R,8S,9S,11S,12S,13R)-6,11-dihydroxy-9,13-dimethyl-5-oxapentacyclo[10.8.0.02,9.04,8.013,18]icosa-14,17-diene-7,16-dione.

What is Budesonide Impurity 4 used for?

Budesonide Impurity 4 is supplied as a characterised reference material related to Budesonide. It is used for analytical method development and validation (AMV), impurity profiling, stability studies and quality control, and in ANDA/DMF regulatory filings.

Which grade and pack sizes of Budesonide Impurity 4 can I order?

We supply Budesonide Impurity 4 in Reference Standard grade, in 10 mg, 25 mg, 50 mg, 100 mg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Budesonide Impurity 4?

Yes. Every lot of Budesonide Impurity 4 is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.

Can Budesonide Impurity 4 be shipped internationally?

Yes. We export Budesonide Impurity 4 worldwide by air and sea freight or express courier, on EXW, FOB, CIF, CFR or DAP Incoterms, with full export documentation.