(S)-Azelastine N-Oxide

Name: (S)-Azelastine N-Oxide
Brand: Vaqora Chemicals
SKU: VQ-028932

About (S)-Azelastine N-Oxide

Listed under CAS 1346617-06-8, (S)-Azelastine N-Oxide is a metabolite or degradation product of Azelastine available from Vaqora Chemicals. The compound has the formula C22H24ClN3O2, corresponding to a molecular weight of 397.9 g/mol. Its systematic (IUPAC) name is 4-[(4-chlorophenyl)methyl]-2-[(4S)-1-methyl-1-oxidoazepan-1-ium-4-yl]phthalazin-1-one. Common synonyms include Azelastine N-Oxide (S)-Isomer and AzelastineN-Oxide, (S)-.

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.

Analytical teams use this compound to identify metabolites and degradants of Azelastine, to validate stability-indicating methods (AMV) and to support QC and regulatory filings. It is used across pharmaceutical manufacturing and academic and industrial research.

Available in 10 mg, 25 mg, 50 mg and 100 mg packs, (S)-Azelastine N-Oxide is dispatched with a Certificate of Analysis (COA) to destinations worldwide.

Typical applications

Metabolite identification
Stability-indicating methods
Impurity profiling

Industries

Related to Azelastine

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

Azelastine impurities

Specifications & identifiers

Chemical identifiers
Product name	(S)-Azelastine N-Oxide
Catalogue No.	VQ-028932
CAS Number	1346617-06-8
IUPAC name	4-[(4-chlorophenyl)methyl]-2-[(4S)-1-methyl-1-oxidoazepan-1-ium-4-yl]phthalazin-1-one
Molecular formula	C₂₂H₂₄ClN₃O₂
Molecular weight	397.9 g/mol
Exact mass	397.1557
Grade	Reference Standard
HSN code	38229090
InChIKey	QFWLGALGCDUDAP-MDYZWHIJSA-N
SMILES	C[N+]1(CCC[C@@H](CC1)N2C(=O)C3=CC=CC=C3C(=N2)CC4=CC=C(C=C4)Cl)[O-]
PubChem CID	71313564

Physical properties
Physical form	Solid
LogP (XLogP3)	3.8
H-bond donors / acceptors	0 / 3
TPSA	50.7 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 (S)-Azelastine N-Oxide?

The CAS Registry Number of (S)-Azelastine N-Oxide is 1346617-06-8. It is also known as (S)-Azelastine N-Oxide (Mixture of Diastereomers), Azelastine N-Oxide (S)-Isomer, AzelastineN-Oxide, (S)-.

What is the molecular formula and molecular weight of (S)-Azelastine N-Oxide?

(S)-Azelastine N-Oxide has the molecular formula C22H24ClN3O2 and a molecular weight of 397.9 g/mol. Its IUPAC name is 4-[(4-chlorophenyl)methyl]-2-[(4S)-1-methyl-1-oxidoazepan-1-ium-4-yl]phthalazin-1-one.

What is (S)-Azelastine N-Oxide used for?

(S)-Azelastine N-Oxide is supplied as a characterised reference material related to Azelastine. 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 (S)-Azelastine N-Oxide can I order?

We supply (S)-Azelastine N-Oxide 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 (S)-Azelastine N-Oxide?

Yes. Every lot of (S)-Azelastine N-Oxide 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 (S)-Azelastine N-Oxide be shipped internationally?

Yes. We export (S)-Azelastine N-Oxide worldwide by air and sea freight or express courier, on EXW, FOB, CIF, CFR or DAP Incoterms, with full export documentation.