(S)-Citalopram N-Oxide

About (S)-Citalopram N-Oxide

(S)-Citalopram N-Oxide is a metabolite or degradation product of Escitalopram carrying the CAS registry number 917482-45-2. The compound has the formula C20H21FN2O2, corresponding to a molecular weight of 340.4 g/mol. Its systematic (IUPAC) name is 3-[(1S)-5-cyano-1-(4-fluorophenyl)-3H-2-benzofuran-1-yl]-N,N-dimethylpropan-1-amine oxide. Common synonyms include Escitalopram N-Oxide and Escitalopram-N-Oxide.

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. Good laboratory practice and suitable PPE are recommended during handling.

Analytical teams use this compound to identify metabolites and degradants of Escitalopram, to validate stability-indicating methods (AMV) and to support QC and regulatory filings. Buyers come mainly from pharmaceutical manufacturing and academic and industrial research.

Standard pack sizes are 10 mg, 25 mg, 50 mg and 100 mg, and every batch ships with a Certificate of Analysis (COA) and we export worldwide.

Typical applications

Metabolite identification
Stability-indicating methods
Impurity profiling

Industries

Related to Escitalopram

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

Escitalopram impurities

Specifications & identifiers

Chemical identifiers
Product name	(S)-Citalopram N-Oxide
Catalogue No.	VQ-030550
CAS Number	917482-45-2
IUPAC name	3-[(1S)-5-cyano-1-(4-fluorophenyl)-3H-2-benzofuran-1-yl]-N,N-dimethylpropan-1-amine oxide
Molecular formula	C₂₀H₂₁FN₂O₂
Molecular weight	340.4 g/mol
Exact mass	340.1587
Grade	Reference Standard
HSN code	38229090
InChIKey	DIOGFDCEWUUSBQ-FQEVSTJZSA-N
SMILES	C[N+](C)(CCC[C@@]1(C2=C(CO1)C=C(C=C2)C#N)C3=CC=C(C=C3)F)[O-]
PubChem CID	15987231

Physical properties
Physical form	Solid
LogP (XLogP3)	2.7
H-bond donors / acceptors	0 / 4
TPSA	51.1 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)-Citalopram N-Oxide?

The CAS Registry Number of (S)-Citalopram N-Oxide is 917482-45-2. It is also known as Escitalopram N-Oxide, 3-((1S)-5-Cyano-1-(4-fluorophenyl)-3H-2-benzofuran-1-yl)-N,N-dimethyl-propan-1-amine oxide, Escitalopram-N-Oxide.

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

(S)-Citalopram N-Oxide has the molecular formula C20H21FN2O2 and a molecular weight of 340.4 g/mol. Its IUPAC name is 3-[(1S)-5-cyano-1-(4-fluorophenyl)-3H-2-benzofuran-1-yl]-N,N-dimethylpropan-1-amine oxide.

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

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

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

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

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