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Pharmacopeial Impurities (EP / USP / BP)

Escitalopram EP Impurity I (E isomer)

Reference StandardAvailable on request

Buy Escitalopram EP Impurity I (E isomer) (CAS 920282-75-3) from Zemixal. Request a quote with price, lead time and documents.

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Escitalopram EP Impurity I (E isomer) chemical structure
CAS number920282-75-3
FormulaC20H21FN2O
Molar mass324.4 g/mol
Physical formSolid
HS code38229090
InChIKeyIAICSOQOSARWDY-UHFFFAOYSA-N
IUPAC name4-[4-(dimethylamino)-1-(4-fluorophenyl)but-1-enyl]-3-(hydroxymethyl)benzonitrile

About Escitalopram EP Impurity I (E isomer)

Analytical teams working on Escitalopram use Escitalopram EP Impurity I (E isomer) as a qualified comparison standard. For your records (Reference Standard), the material is defined by CAS 920282-75-3, formula C20H21FN2O and molar mass 324.4 g/mol. It is handled as a solid.

Where it is used

  • Pharmacopeial method verification
  • Impurity profiling
  • QC release testing
  • ANDA / DMF filings

Standard pack sizes are 10 mg, 25 mg, 50 mg and 100 mg, and custom quantities are quoted on request. You receive a certificate of analysis with characterisation data with each order. Send an enquiry through the quote panel and you get a formal offer with Incoterms and delivery time.

Reference standards for Escitalopram

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

Escitalopram standards

Typical uses

  • Pharmacopeial method verification
  • Impurity profiling
  • QC release testing
  • ANDA / DMF filings

Applications

Grade guides

Specifications and identifiers

Specifications of Escitalopram EP Impurity I (E isomer)
Product nameEscitalopram EP Impurity I (E isomer)
Catalogue numberZX-028640
CAS number920282-75-3
IUPAC name4-[4-(dimethylamino)-1-(4-fluorophenyl)but-1-enyl]-3-(hydroxymethyl)benzonitrile
Molecular formulaC20H21FN2O
Molar mass324.4 g/mol
Exact mass324.1638
GradeReference Standard
Physical formSolid
XLogP33.7
H-bond donors / acceptors1 / 4
Topological polar surface area47.3 Ų
HS code38229090
InChIKeyIAICSOQOSARWDY-UHFFFAOYSA-N
SMILESCN(C)CCC=C(C1=CC=C(C=C1)F)C2=C(C=C(C=C2)C#N)CO
PubChem CID69272112
SynonymsCitalopram Alkene Impurity, Citalopram Olefinic Impurity, 4-[4-(dimethylamino)-1-(4-fluorophenyl)-1-buten-1-yl]-3-(hydroxymethyl)-benzonitrile, Citalopram Impurity N1

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

Safety and GHS hazards

No GHS classification is on file for this item. Handle it as an unknown laboratory chemical and request the SDS with your quotation.

Pack sizes

Pack sizes of Escitalopram EP Impurity I (E isomer)
10 mgQuoted on request
25 mgQuoted on request
50 mgQuoted on request
100 mgQuoted 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 EP Impurity I (E isomer)

Which CAS number identifies Escitalopram EP Impurity I (E isomer)?
Escitalopram EP Impurity I (E isomer) is registered under CAS 920282-75-3. You may also see it listed as Citalopram Alkene Impurity, Citalopram Olefinic Impurity, 4-[4-(dimethylamino)-1-(4-fluorophenyl)-1-buten-1-yl]-3-(hydroxymethyl)-benzonitrile. Our catalogue number for this item is ZX-028640.
What are the formula and molar mass of Escitalopram EP Impurity I (E isomer)?
For Escitalopram EP Impurity I (E isomer), its formula is C20H21FN2O and its molar mass is 324.4 g/mol. The systematic (IUPAC) name is 4-[4-(dimethylamino)-1-(4-fluorophenyl)but-1-enyl]-3-(hydroxymethyl)benzonitrile. InChIKey IAICSOQOSARWDY-UHFFFAOYSA-N lets you match it in any structure database.
How is Escitalopram EP Impurity I (E isomer) used in pharmaceutical QC?
Escitalopram EP Impurity I (E isomer) 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 EP Impurity I (E isomer)?
This listing is Reference Standard grade. Standard packs are 10 mg, 25 mg, 50 mg, 100 mg. Larger quantities and custom packing can be quoted on request.
Which documents come with Escitalopram EP Impurity I (E isomer)?
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 EP Impurity I (E isomer) to my country?
Yes. Escitalopram EP Impurity I (E isomer) ships worldwide by express courier, air cargo or sea freight, quoted on the Incoterm you prefer, with full export documents.

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