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Pharmacopeial Impurities (EP / USP / BP)

Fexofenadine EP Impurity A (Freebase)

Reference StandardIn stock

Order Fexofenadine EP Impurity A (Freebase) (CAS 76811-98-8) online at Zemixal. Request a quote with price, lead time and documents.

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Fexofenadine EP Impurity A (Freebase) chemical structure
CAS number76811-98-8
FormulaC32H37NO4
Molar mass499.6 g/mol
Physical formSolid
HS code38229090
InChIKeyNGAKDIWPTMPPFP-UHFFFAOYSA-N
IUPAC name2-[4-[4-[4-[hydroxy(diphenyl)methyl]piperidin-1-yl]butanoyl]phenyl]-2-methylpropanoic acid

About Fexofenadine EP Impurity A (Freebase)

Analytical teams working on Fexofenadine use Fexofenadine EP Impurity A (Freebase) as a qualified comparison standard. For your records (Reference Standard), the material is defined by CAS 76811-98-8, formula C32H37NO4 and molar mass 499.6 g/mol. It is handled as a solid.

Where it is used

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

Safe handling

Hazard communication follows GHS (Warning: H302). Our SDS lists exposure controls and first-aid measures.

Available as 10 mg, 25 mg, 50 mg, 100 mg and 250 mg. Larger or split packs can be arranged. 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 Fexofenadine

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

Fexofenadine standards

Typical uses

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

Applications

Grade guides

Specifications and identifiers

Specifications of Fexofenadine EP Impurity A (Freebase)
Product nameFexofenadine EP Impurity A (Freebase)
Catalogue numberZX-005702
CAS number76811-98-8
Other CAS numbers153439-43-1, 2095698-43-2
IUPAC name2-[4-[4-[4-[hydroxy(diphenyl)methyl]piperidin-1-yl]butanoyl]phenyl]-2-methylpropanoic acid
Molecular formulaC32H37NO4
Molar mass499.6 g/mol
Exact mass499.2723
GradeReference Standard
Physical formSolid
XLogP33.1
H-bond donors / acceptors2 / 5
Topological polar surface area77.8 Ų
HS code38229090
InChIKeyNGAKDIWPTMPPFP-UHFFFAOYSA-N
SMILESCC(C)(C1=CC=C(C=C1)C(=O)CCCN2CCC(CC2)C(C3=CC=CC=C3)(C4=CC=CC=C4)O)C(=O)O
PubChem CID9935699
Synonyms2-(4-(4-(4-(hydroxydiphenylmethyl)piperidin-1-yl)butanoyl)phenyl)-2-methylpropanoic acid, Fexofenadinone, Fexofenadine Ester Impurity, Ketofexofenadine, Fexofenadine Related Compound A (USP), Fexofenadine EP Impurity A, 2-[4-(4-{4-[hydroxy(diphenyl)methyl]piperidin-1-yl}butanoyl)phenyl]-2-methylpropanoic acid, Fexofendine impurityc A, Fexofenadine impurity A CRS, 2-(4-(4-(4-(Hydroxydiphenylmethyl)piperidin-1-yl)butanoyl)phenyl)-2-methylpropanoicacid, 2-[4-[4-[4-[hydroxy(diphenyl)methyl]-1-piperidyl]butanoyl]phenyl]-2-methyl-propanoic acid

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

Safety and GHS hazards

GHS07 Irritant or harmful
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 Fexofenadine EP Impurity A (Freebase)
10 mgQuoted on request
25 mgQuoted on request
50 mgQuoted on request
100 mgQuoted on request
250 mgQuoted on request
500 mgQuoted on request
1 gQuoted on request

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

Questions about Fexofenadine EP Impurity A (Freebase)

Which CAS number identifies Fexofenadine EP Impurity A (Freebase)?
Fexofenadine EP Impurity A (Freebase) is registered under CAS 76811-98-8. You may also see it listed as 2-(4-(4-(4-(hydroxydiphenylmethyl)piperidin-1-yl)butanoyl)phenyl)-2-methylpropanoic acid, Fexofenadinone, Fexofenadine Ester Impurity. Our catalogue number for this item is ZX-005702.
What are the formula and molar mass of Fexofenadine EP Impurity A (Freebase)?
For Fexofenadine EP Impurity A (Freebase), its formula is C32H37NO4 and its molar mass is 499.6 g/mol. The systematic (IUPAC) name is 2-[4-[4-[4-[hydroxy(diphenyl)methyl]piperidin-1-yl]butanoyl]phenyl]-2-methylpropanoic acid. InChIKey NGAKDIWPTMPPFP-UHFFFAOYSA-N lets you match it in any structure database.
How is Fexofenadine EP Impurity A (Freebase) used in pharmaceutical QC?
Fexofenadine EP Impurity A (Freebase) is a characterised reference material linked to Fexofenadine. 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 Fexofenadine EP Impurity A (Freebase)?
This listing is Reference Standard grade. Standard packs are 10 mg, 25 mg, 50 mg, 100 mg, 250 mg, 500 mg. Larger quantities and custom packing can be quoted on request.
Which documents come with Fexofenadine EP Impurity A (Freebase)?
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 Fexofenadine EP Impurity A (Freebase) to my country?
Yes. Because Fexofenadine EP Impurity A (Freebase) 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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