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Pharmacopeial Impurities (EP / USP / BP)

Prednisolone EP Impurity I

Reference StandardAvailable on request

Prednisolone EP Impurity I (CAS 13479-38-4) supplier Zemixal: C21H28O4, COA and SDS with every lot, worldwide shipping. Catalogue no. ZX-026508.

Pack sizes
Prednisolone EP Impurity I chemical structure
CAS number13479-38-4
FormulaC21H28O4
Molar mass344.4 g/mol
Physical formSolid
HS code38229090
InChIKeyZFQSDPPADTWKDI-HJTSIMOOSA-N
IUPAC name(8S,9S,10R,11S,13S,14S,17S)-11-hydroxy-17-(2-hydroxyacetyl)-10,13-dimethyl-6,7,8,9,11,12,14,15,16,17-decahydrocyclopenta[a]phenanthren-3-one

About Prednisolone EP Impurity I

Analytical teams working on Prednisolone use Prednisolone EP Impurity I as a qualified comparison standard. Key data (Reference Standard): CAS 13479-38-4, formula C21H28O4 and molar mass 344.4 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

Available as 10 mg, 25 mg, 50 mg and 100 mg. Larger or split packs can be arranged. Every shipment includes a certificate of analysis with characterisation data. Send an enquiry through the quote panel and you get a formal offer with Incoterms and delivery time.

Reference standards for Prednisolone

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

Prednisolone 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 Prednisolone EP Impurity I
Product namePrednisolone EP Impurity I
Catalogue numberZX-026508
CAS number13479-38-4
IUPAC name(8S,9S,10R,11S,13S,14S,17S)-11-hydroxy-17-(2-hydroxyacetyl)-10,13-dimethyl-6,7,8,9,11,12,14,15,16,17-decahydrocyclopenta[a]phenanthren-3-one
Molecular formulaC21H28O4
Molar mass344.4 g/mol
Exact mass344.1988
GradeReference Standard
Physical formSolid
XLogP32.1
H-bond donors / acceptors2 / 4
Topological polar surface area74.6 Ų
HS code38229090
InChIKeyZFQSDPPADTWKDI-HJTSIMOOSA-N
SMILESC[C@]12C[C@@H]([C@H]3[C@H]([C@@H]1CC[C@@H]2C(=O)CO)CCC4=CC(=O)C=C[C@]34C)O
PubChem CID10472685
Synonyms17-Deoxyprednisolone, 17-Dehydroxy Prednisolone, Pregna-1,4-diene-3,20-dione, 11,21-dihydroxy-, (11beta)-, 1,2-Didehydrocorticosterone, Prednisolone Impurity 7, 11,21-Dihydroxypregna-1,4-diene-3,20-dione (11beta)-, (11beta)-11,21-Dihydroxypregna-1,4-diene-3,20-dione, 1-Dehydrocorticosterone, 2a3i, 11beta,21-Dihydroxypregna-1,4-diene-3,20-dione, 11,21-dihydroxypregna-1,4-diene-3,20-dione

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 Prednisolone EP Impurity I
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 Prednisolone EP Impurity I

Which CAS number identifies Prednisolone EP Impurity I?
Prednisolone EP Impurity I is registered under CAS 13479-38-4. You may also see it listed as 17-Deoxyprednisolone, 17-Dehydroxy Prednisolone, Pregna-1,4-diene-3,20-dione, 11,21-dihydroxy-, (11beta)-. Our catalogue number for this item is ZX-026508.
What are the formula and molar mass of Prednisolone EP Impurity I?
For Prednisolone EP Impurity I, its formula is C21H28O4 and its molar mass is 344.4 g/mol. The systematic (IUPAC) name is (8S,9S,10R,11S,13S,14S,17S)-11-hydroxy-17-(2-hydroxyacetyl)-10,13-dimethyl-6,7,8,9,11,12,14,15,16,17-decahydrocyclopenta[a]phenanthren-3-one. InChIKey ZFQSDPPADTWKDI-HJTSIMOOSA-N lets you match it in any structure database.
How is Prednisolone EP Impurity I used in pharmaceutical QC?
Prednisolone EP Impurity I is a characterised reference material linked to Prednisolone. 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 Prednisolone EP Impurity I?
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 Prednisolone EP Impurity I?
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 Prednisolone EP Impurity I to my country?
Yes. Prednisolone EP Impurity I ships worldwide by express courier, air cargo or sea freight, quoted on the Incoterm you prefer, with full export documents.

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