Escitalopram Impurity K (Oxalate Salt)

Name: Escitalopram Impurity K (Oxalate Salt)
Brand: Vaqora Chemicals
SKU: VQ-004929

About Escitalopram Impurity K (Oxalate Salt)

Escitalopram Impurity K (Oxalate Salt) (CAS 219861-53-7) is an impurity of Escitalopram offered by Vaqora Chemicals, specified at 99.78% purity. Formula C22H23FN2O5, molecular weight 414.4 g/mol. The IUPAC name is (1R)-1-[3-(dimethylamino)propyl]-1-(4-fluorophenyl)-3H-2-benzofuran-5-carbonitrile. Oxalic acid. Alternative names: Citalopram R-Isomer Oxalate Salt and (R)-Citalopram Oxalate.

It is supplied as a solid. Reference materials should be stored sealed and away from light and moisture, as specified on the accompanying COA. Under GHS it is labelled “Warning”, so handle it with suitable PPE and consult the SDS.

As a characterised impurity of Escitalopram, 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.

Available in 10 mg, 25 mg, 50 mg and 100 mg packs, Escitalopram Impurity K (Oxalate Salt) is dispatched with a Certificate of Analysis (COA) to destinations worldwide. Stock is available for quick dispatch.

Typical applications

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

Industries

Related to Escitalopram

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

Escitalopram impurities

Specifications & identifiers

Chemical identifiers
Product name	Escitalopram Impurity K (Oxalate Salt)
Catalogue No.	VQ-004929
CAS Number	219861-53-7
Other CAS	128196-02-1
IUPAC name	(1R)-1-[3-(dimethylamino)propyl]-1-(4-fluorophenyl)-3H-2-benzofuran-5-carbonitrile;oxalic acid
Molecular formula	C₂₂H₂₃FN₂O₅
Molecular weight	414.4 g/mol
Exact mass	414.1591
Grade	Reference Standard
Purity / assay	99.78%
HSN code	38229090
InChIKey	KTGRHKOEFSJQNS-VEIFNGETSA-N
SMILES	CN(C)CCC[C@]1(C2=C(CO1)C=C(C=C2)C#N)C3=CC=C(C=C3)F.C(=O)(C(=O)O)O
PubChem CID	45038690

Physical properties
Physical form	Solid
H-bond donors / acceptors	2 / 8
TPSA	111 Å²
Synonyms	Citalopram R-Isomer Oxalate Salt, (R)-Citalopram Oxalate, Citalopram oxalate, (R)-, R-(-)-Citalopram oxalate, (R)-Citalopram (oxalate), Escitalopram EP Impurity K Oxalate, Citalopram R-Isomer Oxalate

Safety & hazard information (GHS)

Harmful / irritant

Signal word: Warning

Hazard statements

H302Harmful if swallowed

Precautionary statements: P264, P270, P301 + P317, P330, P501

Classification is indicative (aggregated GHS notifications) and may vary by grade and concentration. Always refer to the SDS supplied with your lot.

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 Escitalopram Impurity K (Oxalate Salt)?

The CAS Registry Number of Escitalopram Impurity K (Oxalate Salt) is 219861-53-7. It is also known as Citalopram R-Isomer Oxalate Salt, (R)-Citalopram Oxalate, Citalopram oxalate, (R)-.

What is the molecular formula and molecular weight of Escitalopram Impurity K (Oxalate Salt)?

Escitalopram Impurity K (Oxalate Salt) has the molecular formula C22H23FN2O5 and a molecular weight of 414.4 g/mol.

What is Escitalopram Impurity K (Oxalate Salt) used for?

Escitalopram Impurity K (Oxalate Salt) 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 Escitalopram Impurity K (Oxalate Salt) can I order?

We supply Escitalopram Impurity K (Oxalate Salt) in Reference Standard (99.78%) grade, in 10 mg, 25 mg, 50 mg, 100 mg, 250 mg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Escitalopram Impurity K (Oxalate Salt)?

Yes. Every lot of Escitalopram Impurity K (Oxalate Salt) 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 Escitalopram Impurity K (Oxalate Salt) be shipped internationally?

Yes. Escitalopram Impurity K (Oxalate Salt) is classified as hazardous, so it is packed in UN-approved packaging and shipped as dangerous goods under IATA/IMDG rules. We export worldwide on EXW, FOB, CIF and DAP terms.