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Pharmacopeial Impurities (EP / USP / BP)

Atorvastatin EP Impurity B

Reference StandardAvailable on request

Order Atorvastatin EP Impurity B (CAS 842103-12-2) online at Zemixal. Lab and bulk packs, batch COA, fast global delivery.

Pack sizes
Atorvastatin EP Impurity B chemical structure
CAS number842103-12-2
FormulaC33H35FN2O5
Molar mass558.6 g/mol
Physical formSolid
HS code38229090
InChIKeyXUKUURHRXDUEBC-UHFFFAOYSA-N
IUPAC name7-[2-(4-fluorophenyl)-3-phenyl-4-(phenylcarbamoyl)-5-propan-2-ylpyrrol-1-yl]-3,5-dihydroxyheptanoic acid

About Atorvastatin EP Impurity B

Zemixal lists Atorvastatin EP Impurity B for laboratories that identify, quantify or control Atorvastatin and its related substances. For your records (Reference Standard), the material is defined by CAS 842103-12-2, formula C33H35FN2O5 and molar mass 558.6 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

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. 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

Grade guides

Specifications and identifiers

Specifications of Atorvastatin EP Impurity B
Product nameAtorvastatin EP Impurity B
Catalogue numberZX-020705
CAS number842103-12-2
IUPAC name7-[2-(4-fluorophenyl)-3-phenyl-4-(phenylcarbamoyl)-5-propan-2-ylpyrrol-1-yl]-3,5-dihydroxyheptanoic acid
Molecular formulaC33H35FN2O5
Molar mass558.6 g/mol
Exact mass558.253
GradeReference Standard
Physical formSolid
XLogP35
H-bond donors / acceptors4 / 6
Topological polar surface area112 Ų
HS code38229090
InChIKeyXUKUURHRXDUEBC-UHFFFAOYSA-N
SMILESCC(C)C1=C(C(=C(N1CCC(CC(CC(=O)O)O)O)C2=CC=C(C=C2)F)C3=CC=CC=C3)C(=O)NC4=CC=CC=C4
PubChem CID2250
SynonymsAtorvastatin Calcium EP Impurity B, Atorvastatin EP Impurity B (Mixture of +), Atorvastatin EP Impurity B (Free Base), Atorvastatin(Relative), (3S,5R)-atorvastatin

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 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 Atorvastatin EP Impurity B

Which CAS number identifies Atorvastatin EP Impurity B?
Atorvastatin EP Impurity B is registered under CAS 842103-12-2. You may also see it listed as Atorvastatin Calcium EP Impurity B, Atorvastatin EP Impurity B (Mixture of +), Atorvastatin EP Impurity B (Free Base). Our catalogue number for this item is ZX-020705.
What are the formula and molar mass of Atorvastatin EP Impurity B?
For Atorvastatin EP Impurity B, its formula is C33H35FN2O5 and its molar mass is 558.6 g/mol. The systematic (IUPAC) name is 7-[2-(4-fluorophenyl)-3-phenyl-4-(phenylcarbamoyl)-5-propan-2-ylpyrrol-1-yl]-3,5-dihydroxyheptanoic acid. InChIKey XUKUURHRXDUEBC-UHFFFAOYSA-N lets you match it in any structure database.
How is Atorvastatin EP Impurity B used in pharmaceutical QC?
Atorvastatin EP Impurity B 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 B?
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 Atorvastatin 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 Atorvastatin EP Impurity B to my country?
Yes. Atorvastatin EP Impurity B ships worldwide by express courier, air cargo or sea freight, quoted on the Incoterm you prefer, with full export documents.

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