Budesonide Impurity 11

Name: Budesonide Impurity 11
Brand: Vaqora Chemicals
SKU: VQ-028925

About Budesonide Impurity 11

Listed under CAS 3949-79-9, Budesonide Impurity 11 is an impurity of Budesonide available from Vaqora Chemicals. With the molecular formula C23H28O7, it has a molar mass of 416.5 g/mol. Alternative names: Budesonide Impurity N19.

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.

As a characterised impurity of Budesonide, it is used for analytical method development, method validation (AMV) and routine quality-control testing, and it supports ANDA and DMF regulatory filings. It is used across pharmaceutical manufacturing and academic and industrial research.

We offer Budesonide Impurity 11 in 10 mg, 25 mg, 50 mg and 100 mg packs with a batch-specific COA, and ship to customers 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 11
Catalogue No.	VQ-028925
CAS Number	3949-79-9
IUPAC name	[2-[(8S,9S,10R,13S,14S,16R,17S)-16,17-dihydroxy-10,13-dimethyl-3,11-dioxo-6,7,8,9,12,14,15,16-octahydrocyclopenta[a]phenanthren-17-yl]-2-oxoethyl] acetate
Molecular formula	C₂₃H₂₈O₇
Molecular weight	416.5 g/mol
Exact mass	416.1835
Grade	Reference Standard
HSN code	38229090
InChIKey	SQUGFWXZIRTIBF-NKILBOSGSA-N
SMILES	CC(=O)OCC(=O)[C@]1([C@@H](C[C@@H]2[C@@]1(CC(=O)[C@H]3[C@H]2CCC4=CC(=O)C=C[C@]34C)C)O)O
PubChem CID	169432712

Physical properties
Physical form	Solid
LogP (XLogP3)	1.1
H-bond donors / acceptors	2 / 7
TPSA	118 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 11?

The CAS Registry Number of Budesonide Impurity 11 is 3949-79-9. It is also known as (16a)-21-(Acetyloxy)-16,17-dihydroxypregna-1,4-diene-3,11,20-trione, (16alpha)-21-(Acetyloxy)-16,17-dihydroxypregna-1,4-diene-3,11,20-trione, (16alpha)-21-(Acetyloxy)-16,17-dihydroxy-pregna-1,4-diene-3,11,20-trione.

What is the molecular formula and molecular weight of Budesonide Impurity 11?

Budesonide Impurity 11 has the molecular formula C23H28O7 and a molecular weight of 416.5 g/mol. Its IUPAC name is [2-[(8S,9S,10R,13S,14S,16R,17S)-16,17-dihydroxy-10,13-dimethyl-3,11-dioxo-6,7,8,9,12,14,15,16-octahydrocyclopenta[a]phenanthren-17-yl]-2-oxoethyl] acetate.

What is Budesonide Impurity 11 used for?

Budesonide Impurity 11 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 11 can I order?

We supply Budesonide Impurity 11 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 11?

Yes. Every lot of Budesonide Impurity 11 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 11 be shipped internationally?

Yes. We export Budesonide Impurity 11 worldwide by air and sea freight or express courier, on EXW, FOB, CIF, CFR or DAP Incoterms, with full export documentation.