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Pharmacopeial Impurities (EP / USP / BP)

Budesonide EP Impurity K

Reference StandardAvailable on request

Order Budesonide EP Impurity K (CAS 51333-05-2) online at Zemixal. Request a quote with price, lead time and documents. Catalogue no. ZX-020055.

Pack sizes
Budesonide EP Impurity K chemical structure
CAS number51333-05-2
FormulaC27H36O7
Molar mass472.6 g/mol
Physical formSolid
HS code38229090
InChIKeyQZIYSFVNRMBENV-PONRWWDOSA-N
IUPAC name[2-[(1S,2S,4R,8S,9S,11S,12S,13R)-11-hydroxy-9,13-dimethyl-16-oxo-6-propyl-5,7-dioxapentacyclo[10.8.0.02,9.04,8.013,18]icosa-14,17-dien-8-yl]-2-oxoethyl] acetate

About Budesonide EP Impurity K

Analytical teams working on Budesonide use Budesonide EP Impurity K as a qualified comparison standard. Identity at a glance (Reference Standard): CAS 51333-05-2, formula C27H36O7 and molar mass 472.6 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

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. Add it to your quote list and our team replies with price, lead time and shipping options within one business day.

Reference standards for Budesonide

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

Budesonide standards

Typical uses

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

Applications

Grade guides

Specifications and identifiers

Specifications of Budesonide EP Impurity K
Product nameBudesonide EP Impurity K
Catalogue numberZX-020055
CAS number51333-05-2
IUPAC name[2-[(1S,2S,4R,8S,9S,11S,12S,13R)-11-hydroxy-9,13-dimethyl-16-oxo-6-propyl-5,7-dioxapentacyclo[10.8.0.02,9.04,8.013,18]icosa-14,17-dien-8-yl]-2-oxoethyl] acetate
Molecular formulaC27H36O7
Molar mass472.6 g/mol
Exact mass472.2461
GradeReference Standard
Physical formSolid
XLogP33.1
H-bond donors / acceptors1 / 7
Topological polar surface area99.1 Ų
HS code38229090
InChIKeyQZIYSFVNRMBENV-PONRWWDOSA-N
SMILESCCCC1O[C@@H]2C[C@H]3[C@@H]4CCC5=CC(=O)C=C[C@@]5([C@H]4[C@H](C[C@@]3([C@@]2(O1)C(=O)COC(=O)C)C)O)C
PubChem CID13298228
SynonymsBudesonide - Impurity K, Budesonide 21-acetate, 21-Acetoxy-11beta-hydroxy-16alpha,17alpha-propylmethylenedioxpregna-1,4-diene-3,20-dione, 21-Acetoxy-11b-hydroxy-16a,17a-propylmethylenedioxpregna-1,4-diene-3,20-dione, 21-(Acetoxy)-16alpha,17alpha-(butylidenedioxy)-11beta-hydroxypregna-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 Budesonide EP Impurity K
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 Budesonide EP Impurity K

Which CAS number identifies Budesonide EP Impurity K?
Budesonide EP Impurity K is registered under CAS 51333-05-2. You may also see it listed as Budesonide - Impurity K, Budesonide 21-acetate, 21-Acetoxy-11beta-hydroxy-16alpha,17alpha-propylmethylenedioxpregna-1,4-diene-3,20-dione. Our catalogue number for this item is ZX-020055.
What are the formula and molar mass of Budesonide EP Impurity K?
For Budesonide EP Impurity K, its formula is C27H36O7 and its molar mass is 472.6 g/mol. InChIKey QZIYSFVNRMBENV-PONRWWDOSA-N lets you match it in any structure database.
How is Budesonide EP Impurity K used in pharmaceutical QC?
Budesonide EP Impurity K is a characterised reference material linked to Budesonide. 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 Budesonide EP Impurity K?
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 Budesonide 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 Budesonide EP Impurity K to my country?
Yes. Budesonide 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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