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Pharmacopeial Impurities (EP / USP / BP)

Loratadine EP Impurity A

Reference StandardAvailable on request

Buy Loratadine EP Impurity A (CAS 133284-74-9) from Zemixal. Request a quote with price, lead time and documents. Packs from 10 mg.

Pack sizes
Loratadine EP Impurity A chemical structure
CAS number133284-74-9
FormulaC22H25ClN2O3
Molar mass400.9 g/mol
Physical formSolid
HS code38229090
InChIKeyWVWGYTXDYNKXEY-UHFFFAOYSA-N
IUPAC nameethyl 4-(13-chloro-2-hydroxy-4-azatricyclo[9.4.0.03,8]pentadeca-1(11),3(8),4,6,12,14-hexaen-2-yl)piperidine-1-carboxylate

About Loratadine EP Impurity A

Loratadine EP Impurity A is supplied by Zemixal as a characterised reference material for Loratadine analysis. Identity at a glance (Reference Standard): CAS 133284-74-9, formula C22H25ClN2O3 and molar mass 400.9 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

Handling and storage

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

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

Reference standards for Loratadine

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

Loratadine 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 Loratadine EP Impurity A
Product nameLoratadine EP Impurity A
Catalogue numberZX-030342
CAS number133284-74-9
IUPAC nameethyl 4-(13-chloro-2-hydroxy-4-azatricyclo[9.4.0.03,8]pentadeca-1(11),3(8),4,6,12,14-hexaen-2-yl)piperidine-1-carboxylate
Molecular formulaC22H25ClN2O3
Molar mass400.9 g/mol
Exact mass400.1554
GradeReference Standard
Physical formSolid
XLogP33.5
H-bond donors / acceptors1 / 4
Topological polar surface area62.7 Ų
HS code38229090
InChIKeyWVWGYTXDYNKXEY-UHFFFAOYSA-N
SMILESCCOC(=O)N1CCC(CC1)C2(C3=C(CCC4=C2N=CC=C4)C=C(C=C3)Cl)O
PubChem CID69455764
SynonymsLoratadine - Impurity A, 11-Hydroxy Dihydroloratadine, Desloratadine - Impurity D, 11-Hydroxy Dihydro Loratadine, 11-Hydroxyloratadine, (+/-)-11-Hydroxy dihydro loratadine

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 Loratadine EP Impurity A
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 Loratadine EP Impurity A

Which CAS number identifies Loratadine EP Impurity A?
Loratadine EP Impurity A is registered under CAS 133284-74-9. You may also see it listed as Loratadine - Impurity A, 11-Hydroxy Dihydroloratadine, Desloratadine - Impurity D. Our catalogue number for this item is ZX-030342.
What are the formula and molar mass of Loratadine EP Impurity A?
For Loratadine EP Impurity A, its formula is C22H25ClN2O3 and its molar mass is 400.9 g/mol. The systematic (IUPAC) name is ethyl 4-(13-chloro-2-hydroxy-4-azatricyclo[9.4.0.03,8]pentadeca-1(11),3(8),4,6,12,14-hexaen-2-yl)piperidine-1-carboxylate. InChIKey WVWGYTXDYNKXEY-UHFFFAOYSA-N lets you match it in any structure database.
How is Loratadine EP Impurity A used in pharmaceutical QC?
Loratadine EP Impurity A is a characterised reference material linked to Loratadine. 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 Loratadine EP Impurity A?
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 Loratadine EP Impurity A?
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 Loratadine EP Impurity A to my country?
Yes. Because Loratadine EP Impurity A 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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