Escitalopram Impurity K (Oxalate Salt)

Name: Escitalopram Impurity K (Oxalate Salt)
Brand: Zemixal
SKU: ZX-004720

Reference StandardIn stock

Escitalopram Impurity K (Oxalate Salt) (CAS 219861-53-7) supplier Zemixal. Lab and bulk packs, batch COA, fast global delivery.

Pack sizes

Escitalopram Impurity K (Oxalate Salt) chemical structure

CAS number219861-53-7

FormulaC₂₂H₂₃FN₂O₅

Molar mass414.4 g/mol

Physical formSolid

HS code38229090

Purity99.78%

InChIKeyKTGRHKOEFSJQNS-VEIFNGETSA-N

IUPAC name(1R)-1-[3-(dimethylamino)propyl]-1-(4-fluorophenyl)-3H-2-benzofuran-5-carbonitrile;oxalic acid

About Escitalopram Impurity K (Oxalate Salt)

Escitalopram Impurity K (Oxalate Salt) is supplied by Zemixal as a characterised reference material for Escitalopram analysis. Identity at a glance (Reference Standard): CAS 219861-53-7, formula C22H23FN2O5 and molar mass 414.4 g/mol. It is handled as a solid.

Typical applications

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

Storage and safety notes

It carries the GHS signal word Warning (H302), so wear gloves and eye protection and work with good ventilation.

Standard pack sizes are 10 mg, 25 mg, 50 mg, 100 mg and 250 mg, and custom quantities are quoted on request. Every shipment includes a certificate of analysis with characterisation data. Request pricing online and we confirm availability, documentation and freight to your country.

Reference standards for Escitalopram

See every impurity, metabolite and related compound we list for this API.

Escitalopram standards

Typical uses

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

Applications

Pharmaceutical Manufacturing and QC Research Labs and Universities

Specifications and identifiers

Specifications of Escitalopram Impurity K (Oxalate Salt)
Product name	Escitalopram Impurity K (Oxalate Salt)
Catalogue number	ZX-004720
CAS number	219861-53-7
Other CAS numbers	128196-02-1
IUPAC name	(1R)-1-[3-(dimethylamino)propyl]-1-(4-fluorophenyl)-3H-2-benzofuran-5-carbonitrile;oxalic acid
Molecular formula	C₂₂H₂₃FN₂O₅
Molar mass	414.4 g/mol
Exact mass	414.1591
Grade	Reference Standard
Purity / assay	99.78%
Physical form	Solid
H-bond donors / acceptors	2 / 8
Topological polar surface area	111 Å²
HS 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
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

Lot values are stated on the batch certificate of analysis. Ask for a typical COA with your quotation.

Safety and GHS hazards

Irritant or harmful

Signal word Warning

H302Harmful if swallowed

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

Classification summarised from public GHS notifications. It can vary with grade and concentration, so always follow the SDS supplied with your lot.

Pack sizes

Pack sizes of Escitalopram Impurity K (Oxalate Salt)
10 mg	Quoted on request
25 mg	Quoted on request
50 mg	Quoted on request
100 mg	Quoted on request
250 mg	Quoted on request

Need a different size? Bulk drums and custom packing are quoted on request through the quote form on this page.

Questions about Escitalopram Impurity K (Oxalate Salt)

Which CAS number identifies Escitalopram Impurity K (Oxalate Salt)?

Escitalopram Impurity K (Oxalate Salt) is registered under CAS 219861-53-7. You may also see it listed as Citalopram R-Isomer Oxalate Salt, (R)-Citalopram Oxalate, Citalopram oxalate, (R)-. Our catalogue number for this item is ZX-004720.

What are the formula and molar mass of Escitalopram Impurity K (Oxalate Salt)?

For Escitalopram Impurity K (Oxalate Salt), its formula is C22H23FN2O5 and its molar mass is 414.4 g/mol. InChIKey KTGRHKOEFSJQNS-VEIFNGETSA-N lets you match it in any structure database.

How is Escitalopram Impurity K (Oxalate Salt) used in pharmaceutical QC?

Escitalopram Impurity K (Oxalate Salt) is a characterised reference material linked to Escitalopram. Laboratories use it to identify and quantify this impurity during method development and validation, stability work, batch release testing and regulatory submissions.

What grade and pack sizes are available for Escitalopram Impurity K (Oxalate Salt)?

This listing is Reference Standard grade with 99.78% purity. Standard packs are 10 mg, 25 mg, 50 mg, 100 mg, 250 mg. Larger quantities and custom packing can be quoted on request.

Which documents come with Escitalopram Impurity K (Oxalate Salt)?

Each lot ships with a batch certificate of analysis and a 16-section GHS safety data sheet. A typical COA or specification sheet can be shared with the quotation before you order.

Can Zemixal ship Escitalopram Impurity K (Oxalate Salt) to my country?

Yes. Because Escitalopram Impurity K (Oxalate Salt) is classed as hazardous, it travels in UN-approved packaging as dangerous goods under IATA or IMDG rules, with the export paperwork your broker needs.

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