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Pharmacopeial Impurities (EP / USP / BP)

Fexofenadine EP Impurity B

Reference StandardIn stock

Buy Fexofenadine EP Impurity B (CAS 479035-75-1) from Zemixal. Request a quote with price, lead time and documents. Quotes within one business day.

Pack sizes
Fexofenadine EP Impurity B chemical structure
CAS number479035-75-1
FormulaC32H39NO4
Molar mass501.7 g/mol
Physical formSolid
HS code38229090
Purity99%
InChIKeyRYHUKJMCYGRCSM-UHFFFAOYSA-N
IUPAC name2-[3-[1-hydroxy-4-[4-[hydroxy(diphenyl)methyl]piperidin-1-yl]butyl]phenyl]-2-methylpropanoic acid

About Fexofenadine EP Impurity B

Fexofenadine EP Impurity B belongs to the Fexofenadine reference-standard family in the Zemixal catalogue. Identity at a glance (Reference Standard): CAS 479035-75-1, formula C32H39NO4 and molar mass 501.7 g/mol. It is handled as a solid.

Common uses in the lab and plant

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

Storage and safety notes

Classified under GHS with signal word Warning and hazard statements H315, H319 and H335. Read the SDS before first use.

Available as 10 mg, 25 mg, 50 mg and 100 mg. Larger or split packs can be arranged. You receive a certificate of analysis with characterisation data with each order. Add it to your quote list and our team replies with price, lead time and shipping options within one business day.

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

Pharmaceutical Manufacturing and QCResearch Labs and Universities

Grade guides

Ph. Eur. Grade (European Pharmacopoeia)

Specifications and identifiers

Specifications of Fexofenadine EP Impurity B
Product nameFexofenadine EP Impurity B
Catalogue numberZX-005703
CAS number479035-75-1
IUPAC name2-[3-[1-hydroxy-4-[4-[hydroxy(diphenyl)methyl]piperidin-1-yl]butyl]phenyl]-2-methylpropanoic acid
Molecular formulaC32H39NO4
Molar mass501.7 g/mol
Exact mass501.2879
GradeReference Standard
Purity / assay99%
Physical formSolid
XLogP33
H-bond donors / acceptors3 / 5
Topological polar surface area81 Ų
HS code38229090
InChIKeyRYHUKJMCYGRCSM-UHFFFAOYSA-N
SMILESCC(C)(C1=CC=CC(=C1)C(CCCN2CCC(CC2)C(C3=CC=CC=C3)(C4=CC=CC=C4)O)O)C(=O)O
PubChem CID70925805
Synonymsmeta-Fexofenadine, starbld0018066, Fexofenadine impurity B CRS

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

  • H315Causes skin irritation
  • H319Causes serious eye irritation
  • H335May cause respiratory irritation

Precautionary statements P261, P264, P264 + P265, P271, P280, P302 + P352, P304 + P340, P305 + P351 + P338, P319, P321, P332 + P317, P337 + P317, P362 + P364, P403 + P233, P405, 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 B
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 Fexofenadine EP Impurity B

Which CAS number identifies Fexofenadine EP Impurity B?
Fexofenadine EP Impurity B is registered under CAS 479035-75-1. You may also see it listed as meta-Fexofenadine, starbld0018066, Fexofenadine impurity B CRS. Our catalogue number for this item is ZX-005703.
What are the formula and molar mass of Fexofenadine EP Impurity B?
For Fexofenadine EP Impurity B, its formula is C32H39NO4 and its molar mass is 501.7 g/mol. The systematic (IUPAC) name is 2-[3-[1-hydroxy-4-[4-[hydroxy(diphenyl)methyl]piperidin-1-yl]butyl]phenyl]-2-methylpropanoic acid. InChIKey RYHUKJMCYGRCSM-UHFFFAOYSA-N lets you match it in any structure database.
How is Fexofenadine EP Impurity B used in pharmaceutical QC?
Fexofenadine EP Impurity B 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 B?
This listing is Reference Standard grade with 99% purity. 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 Fexofenadine EP Impurity B?
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 B to my country?
Yes. Because Fexofenadine EP Impurity B 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.

Other grades with CAS 479035-75-1

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