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Pharmacopeial Impurities (EP / USP / BP)

Atorvastatin EP Impurity K

Reference StandardIn stock

Atorvastatin EP Impurity K (CAS 345891-62-5) supplier Zemixal. Request a quote with price, lead time and documents. Ships from India to 120+ countries.

Pack sizes
Atorvastatin EP Impurity K chemical structure
CAS number345891-62-5
FormulaC34H37FN2O5
Molar mass572.7 g/mol
Physical formSolid
HS code38229090
Purity97%
InChIKeyIRKGCTGBOBRSMG-VSGBNLITSA-N
IUPAC namemethyl (3R,5R)-7-[2-(4-fluorophenyl)-3-phenyl-4-(phenylcarbamoyl)-5-propan-2-ylpyrrol-1-yl]-3,5-dihydroxyheptanoate

About Atorvastatin EP Impurity K

Atorvastatin EP Impurity K is supplied by Zemixal as a characterised reference material for Atorvastatin analysis. For your records (Reference Standard), the material is defined by CAS 345891-62-5, formula C34H37FN2O5 and molar mass 572.7 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

Standard pack sizes are 10 mg, 25 mg, 50 mg, 100 mg and 250 mg, and custom quantities are quoted on request. 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 Atorvastatin

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

Atorvastatin 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 Atorvastatin EP Impurity K
Product nameAtorvastatin EP Impurity K
Catalogue numberZX-005595
CAS number345891-62-5
IUPAC namemethyl (3R,5R)-7-[2-(4-fluorophenyl)-3-phenyl-4-(phenylcarbamoyl)-5-propan-2-ylpyrrol-1-yl]-3,5-dihydroxyheptanoate
Molecular formulaC34H37FN2O5
Molar mass572.7 g/mol
Exact mass572.2687
GradeReference Standard
Purity / assay97%
Physical formSolid
XLogP35.3
H-bond donors / acceptors3 / 6
Topological polar surface area101 Ų
HS code38229090
InChIKeyIRKGCTGBOBRSMG-VSGBNLITSA-N
SMILESCC(C)C1=C(C(=C(N1CC[C@H](C[C@H](CC(=O)OC)O)O)C2=CC=C(C=C2)F)C3=CC=CC=C3)C(=O)NC4=CC=CC=C4
PubChem CID10099576
SynonymsAtorvastatin Methyl Ester, Atorvastatin Calcium EP Impurity M

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 Atorvastatin EP Impurity K
10 mgQuoted on request
25 mgQuoted on request
50 mgQuoted on request
100 mgQuoted on request
250 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 Atorvastatin EP Impurity K

Which CAS number identifies Atorvastatin EP Impurity K?
Atorvastatin EP Impurity K is registered under CAS 345891-62-5. You may also see it listed as Atorvastatin Methyl Ester, Atorvastatin Calcium EP Impurity M. Our catalogue number for this item is ZX-005595.
What are the formula and molar mass of Atorvastatin EP Impurity K?
For Atorvastatin EP Impurity K, its formula is C34H37FN2O5 and its molar mass is 572.7 g/mol. The systematic (IUPAC) name is methyl (3R,5R)-7-[2-(4-fluorophenyl)-3-phenyl-4-(phenylcarbamoyl)-5-propan-2-ylpyrrol-1-yl]-3,5-dihydroxyheptanoate. InChIKey IRKGCTGBOBRSMG-VSGBNLITSA-N lets you match it in any structure database.
How is Atorvastatin EP Impurity K used in pharmaceutical QC?
Atorvastatin EP Impurity K is a characterised reference material linked to Atorvastatin. 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 Atorvastatin EP Impurity K?
This listing is Reference Standard grade with 97% purity. Standard packs are 10 mg, 25 mg, 50 mg, 100 mg, 250 mg. Larger quantities and custom packing can be quoted on request.
Which documents come with Atorvastatin EP Impurity K?
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 Atorvastatin EP Impurity K to my country?
Yes. Atorvastatin EP Impurity K ships worldwide by express courier, air cargo or sea freight, quoted on the Incoterm you prefer, with full export documents.

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