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API Impurities

Budesonide Impurity 11

Reference StandardAvailable on request

Buy Budesonide Impurity 11 (CAS 3949-79-9) from Zemixal. Request a quote with price, lead time and documents. Part of our API Impurities range.

Pack sizes
Budesonide Impurity 11 chemical structure
CAS number3949-79-9
FormulaC23H28O7
Molar mass416.5 g/mol
Physical formSolid
HS code38229090
InChIKeySQUGFWXZIRTIBF-NKILBOSGSA-N
IUPAC name[2-[(8S,9S,10R,13S,14S,16R,17S)-16,17-dihydroxy-10,13-dimethyl-3,11-dioxo-6,7,8,9,12,14,15,16-octahydrocyclopenta[a]phenanthren-17-yl]-2-oxoethyl] acetate

About Budesonide Impurity 11

Budesonide Impurity 11 belongs to the Budesonide reference-standard family in the Zemixal catalogue. Identity at a glance (Reference Standard): CAS 3949-79-9, formula C23H28O7 and molar mass 416.5 g/mol. It is handled as a solid.

Common uses in the lab and plant

  • Analytical method development
  • Method validation (AMV)
  • QC release testing
  • ANDA / DMF filings

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

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

Budesonide standards

Typical uses

  • Analytical method development
  • Method validation (AMV)
  • QC release testing
  • ANDA / DMF filings

Applications

Specifications and identifiers

Specifications of Budesonide Impurity 11
Product nameBudesonide Impurity 11
Catalogue numberZX-027800
CAS number3949-79-9
IUPAC name[2-[(8S,9S,10R,13S,14S,16R,17S)-16,17-dihydroxy-10,13-dimethyl-3,11-dioxo-6,7,8,9,12,14,15,16-octahydrocyclopenta[a]phenanthren-17-yl]-2-oxoethyl] acetate
Molecular formulaC23H28O7
Molar mass416.5 g/mol
Exact mass416.1835
GradeReference Standard
Physical formSolid
XLogP31.1
H-bond donors / acceptors2 / 7
Topological polar surface area118 Ų
HS code38229090
InChIKeySQUGFWXZIRTIBF-NKILBOSGSA-N
SMILESCC(=O)OCC(=O)[C@]1([C@@H](C[C@@H]2[C@@]1(CC(=O)[C@H]3[C@H]2CCC4=CC(=O)C=C[C@]34C)C)O)O
PubChem CID169432712
Synonyms(16a)-21-(Acetyloxy)-16,17-dihydroxypregna-1,4-diene-3,11,20-trione, (16alpha)-21-(Acetyloxy)-16,17-dihydroxypregna-1,4-diene-3,11,20-trione, (16alpha)-21-(Acetyloxy)-16,17-dihydroxy-pregna-1,4-diene-3,11,20-trione, Budesonide Impurity N19

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 Impurity 11
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 Impurity 11

Which CAS number identifies Budesonide Impurity 11?
Budesonide Impurity 11 is registered under CAS 3949-79-9. You may also see it listed as (16a)-21-(Acetyloxy)-16,17-dihydroxypregna-1,4-diene-3,11,20-trione, (16alpha)-21-(Acetyloxy)-16,17-dihydroxypregna-1,4-diene-3,11,20-trione, (16alpha)-21-(Acetyloxy)-16,17-dihydroxy-pregna-1,4-diene-3,11,20-trione. Our catalogue number for this item is ZX-027800.
What are the formula and molar mass of Budesonide Impurity 11?
For Budesonide Impurity 11, its formula is C23H28O7 and its molar mass is 416.5 g/mol. The systematic (IUPAC) name is [2-[(8S,9S,10R,13S,14S,16R,17S)-16,17-dihydroxy-10,13-dimethyl-3,11-dioxo-6,7,8,9,12,14,15,16-octahydrocyclopenta[a]phenanthren-17-yl]-2-oxoethyl] acetate. InChIKey SQUGFWXZIRTIBF-NKILBOSGSA-N lets you match it in any structure database.
How is Budesonide Impurity 11 used in pharmaceutical QC?
Budesonide Impurity 11 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 Impurity 11?
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 Impurity 11?
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 Impurity 11 to my country?
Yes. Budesonide Impurity 11 ships worldwide by express courier, air cargo or sea freight, quoted on the Incoterm you prefer, with full export documents.

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