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Pharmacopeial Impurities (EP / USP / BP)

Ketoconazole EP Impurity E

Reference StandardAvailable on request

Order Ketoconazole EP Impurity E (CAS 134071-44-6) online at Zemixal. Request a quote with price, lead time and documents.

Pack sizes
Ketoconazole EP Impurity E chemical structure
CAS number134071-44-6
FormulaC21H20Cl2N2O5S
Molar mass483.4 g/mol
Physical formSolid
HS code38229090
InChIKeyWAXNIYHZFWRPGS-UTKZUKDTSA-N
IUPAC name[(2R,4R)-2-(2,4-dichlorophenyl)-2-(imidazol-1-ylmethyl)-1,3-dioxolan-4-yl]methyl 4-methylbenzenesulfonate

About Ketoconazole EP Impurity E

Zemixal lists Ketoconazole EP Impurity E for laboratories that identify, quantify or control Ketoconazole and its related substances. For your records (Reference Standard), the material is defined by CAS 134071-44-6, formula C21H20Cl2N2O5S and molar mass 483.4 g/mol. It is handled as a solid.

Typical applications

  • 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. 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 Ketoconazole

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

Ketoconazole standards

Typical uses

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

Applications

Grade guides

Specifications and identifiers

Specifications of Ketoconazole EP Impurity E
Product nameKetoconazole EP Impurity E
Catalogue numberZX-025228
CAS number134071-44-6
IUPAC name[(2R,4R)-2-(2,4-dichlorophenyl)-2-(imidazol-1-ylmethyl)-1,3-dioxolan-4-yl]methyl 4-methylbenzenesulfonate
Molecular formulaC21H20Cl2N2O5S
Molar mass483.4 g/mol
Exact mass482.047
GradeReference Standard
Physical formSolid
XLogP34.6
H-bond donors / acceptors0 / 6
Topological polar surface area88 Ų
HS code38229090
InChIKeyWAXNIYHZFWRPGS-UTKZUKDTSA-N
SMILESCC1=CC=C(C=C1)S(=O)(=O)OC[C@H]2CO[C@](O2)(CN3C=CN=C3)C4=C(C=C(C=C4)Cl)Cl
PubChem CID10814675
SynonymsKetoconazole Impurity E, Ketoconazole - Impurity E, Ketoconazole Impurity 10, Cis-Tosylate

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 Ketoconazole EP Impurity E
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 Ketoconazole EP Impurity E

Which CAS number identifies Ketoconazole EP Impurity E?
Ketoconazole EP Impurity E is registered under CAS 134071-44-6. You may also see it listed as Ketoconazole Impurity E, Ketoconazole - Impurity E, Ketoconazole Impurity 10. Our catalogue number for this item is ZX-025228.
What are the formula and molar mass of Ketoconazole EP Impurity E?
For Ketoconazole EP Impurity E, its formula is C21H20Cl2N2O5S and its molar mass is 483.4 g/mol. The systematic (IUPAC) name is [(2R,4R)-2-(2,4-dichlorophenyl)-2-(imidazol-1-ylmethyl)-1,3-dioxolan-4-yl]methyl 4-methylbenzenesulfonate. InChIKey WAXNIYHZFWRPGS-UTKZUKDTSA-N lets you match it in any structure database.
How is Ketoconazole EP Impurity E used in pharmaceutical QC?
Ketoconazole EP Impurity E is a characterised reference material linked to Ketoconazole. 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 Ketoconazole EP Impurity E?
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 Ketoconazole EP Impurity E?
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 Ketoconazole EP Impurity E to my country?
Yes. Ketoconazole EP Impurity E ships worldwide by express courier, air cargo or sea freight, quoted on the Incoterm you prefer, with full export documents.

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