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Pharmacopeial Impurities (EP / USP / BP)

Losartan EP Impurity A

Reference StandardAvailable on request

Losartan EP Impurity A (CAS 79047-41-9) supplier Zemixal. Lab and bulk packs, batch COA, fast global delivery. Catalogue no. ZX-025445.

Pack sizes
Losartan EP Impurity A chemical structure
CAS number79047-41-9
FormulaC8H13ClN2O
Molar mass188.65 g/mol
Physical formSolid
HS code38229090
InChIKeyDXSZKDOOHOBZMT-UHFFFAOYSA-N
IUPAC name(2-butyl-4-chloro-1H-imidazol-5-yl)methanol

About Losartan EP Impurity A

Losartan EP Impurity A is supplied by Zemixal as a characterised reference material for Losartan analysis. For your records (Reference Standard), the material is defined by CAS 79047-41-9, formula C8H13ClN2O and molar mass 188.65 g/mol. It is handled as a solid.

Use cases we see most often

  • 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.

Order it in 10 mg, 25 mg, 50 mg and 100 mg packs or ask for a bulk quotation. Each lot travels with a certificate of analysis with characterisation data. Request pricing online and we confirm availability, documentation and freight to your country.

Reference standards for Losartan

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

Losartan 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 Losartan EP Impurity A
Product nameLosartan EP Impurity A
Catalogue numberZX-025445
CAS number79047-41-9
IUPAC name(2-butyl-4-chloro-1H-imidazol-5-yl)methanol
Molecular formulaC8H13ClN2O
Molar mass188.65 g/mol
Exact mass188.0716
GradeReference Standard
Physical formSolid
XLogP31.9
H-bond donors / acceptors2 / 2
Topological polar surface area48.9 Ų
HS code38229090
InChIKeyDXSZKDOOHOBZMT-UHFFFAOYSA-N
SMILESCCCCC1=NC(=C(N1)CO)Cl
PubChem CID2735662
SynonymsLosartan Potassium EP Impurity A, Losartan Potassium - Impurity A, 2-Butyl-4-chloro-5-(hydroxymethyl)imidazole, 2-Butyl-5-chloro-1H-imidazole-4-methanol, (2-Butyl-5-Chloro-1H-Imidazol-4-Yl)Methanol, 2-Butyl-5-chloroimidazole-4-methanol, Losartan Impurity 1, 2-Butyl-5-chloro-4-hydroxymethylimidazole, 2-butyl-4-chloro-1H-imidazole-5-methanol, 2-butyl-4-chloro-5-hydroxymethylimidazole, 1H-Imidazole-4-methanol, 2-butyl-5-chloro-, 5-Chloro-2-butylimidazole-4-methanol

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 Losartan 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 Losartan EP Impurity A

Which CAS number identifies Losartan EP Impurity A?
Losartan EP Impurity A is registered under CAS 79047-41-9. You may also see it listed as Losartan Potassium EP Impurity A, Losartan Potassium - Impurity A, 2-Butyl-4-chloro-5-(hydroxymethyl)imidazole. Our catalogue number for this item is ZX-025445.
What are the formula and molar mass of Losartan EP Impurity A?
For Losartan EP Impurity A, its formula is C8H13ClN2O and its molar mass is 188.65 g/mol. The systematic (IUPAC) name is (2-butyl-4-chloro-1H-imidazol-5-yl)methanol. InChIKey DXSZKDOOHOBZMT-UHFFFAOYSA-N lets you match it in any structure database.
How is Losartan EP Impurity A used in pharmaceutical QC?
Losartan EP Impurity A is a characterised reference material linked to Losartan. 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 Losartan 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 Losartan 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 Losartan EP Impurity A to my country?
Yes. Because Losartan 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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