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API Impurities

Milbemycin K

Reference StandardAvailable on request

Order Milbemycin K (CAS 86691-97-6) online at Zemixal. Lab and bulk packs, batch COA, fast global delivery. Packs from 10 mg.

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Milbemycin K chemical structure
CAS number86691-97-6
FormulaC32H44O7
Molar mass540.7 g/mol
Physical formSolid
HS code38229090
InChIKeyUFQQXUKNLJUJRF-YRXAXKISSA-N
IUPAC name(1R,4S,5'S,6R,6'R,8R,10E,13R,14E,16E,20S,24S)-6'-ethyl-24-hydroxy-5',11,13,22-tetramethylspiro[3,7,19-trioxatetracyclo[15.6.1.14,8.020,24]pentacosa-10,14,16,22-tetraene-6,2'-oxane]-2,21-dione

About Milbemycin K

Milbemycin K is supplied by Zemixal as a characterised reference material for Milbemycin analysis. Identity at a glance (Reference Standard): CAS 86691-97-6, formula C32H44O7 and molar mass 540.7 g/mol. It is handled as a solid.

Where it is used

  • 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. 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 Milbemycin

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

Milbemycin standards

Typical uses

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

Applications

Specifications and identifiers

Specifications of Milbemycin K
Product nameMilbemycin K
Catalogue numberZX-025624
CAS number86691-97-6
IUPAC name(1R,4S,5'S,6R,6'R,8R,10E,13R,14E,16E,20S,24S)-6'-ethyl-24-hydroxy-5',11,13,22-tetramethylspiro[3,7,19-trioxatetracyclo[15.6.1.14,8.020,24]pentacosa-10,14,16,22-tetraene-6,2'-oxane]-2,21-dione
Molecular formulaC32H44O7
Molar mass540.7 g/mol
Exact mass540.3087
GradeReference Standard
Physical formSolid
XLogP34.4
H-bond donors / acceptors1 / 7
Topological polar surface area91.3 Ų
HS code38229090
InChIKeyUFQQXUKNLJUJRF-YRXAXKISSA-N
SMILESCC[C@@H]1[C@H](CC[C@@]2(O1)C[C@@H]3C[C@H](O2)C/C=C(/C[C@H](/C=C/C=C/4\CO[C@H]5[C@@]4([C@@H](C=C(C5=O)C)C(=O)O3)O)C)\C)C
PubChem CID6440784
SynonymsMilbemycin B, 5-demethoxy-28-deoxy-6,28-epoxy-25-ethyl-5-oxo-, (6S,25R)-

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 Milbemycin 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 Milbemycin K

Which CAS number identifies Milbemycin K?
Milbemycin K is registered under CAS 86691-97-6. You may also see it listed as Milbemycin B, 5-demethoxy-28-deoxy-6,28-epoxy-25-ethyl-5-oxo-, (6S,25R)-. Our catalogue number for this item is ZX-025624.
What are the formula and molar mass of Milbemycin K?
For Milbemycin K, its formula is C32H44O7 and its molar mass is 540.7 g/mol. InChIKey UFQQXUKNLJUJRF-YRXAXKISSA-N lets you match it in any structure database.
How is Milbemycin K used in pharmaceutical QC?
Milbemycin K is a characterised reference material linked to Milbemycin. 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 Milbemycin 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 Milbemycin 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 Milbemycin K to my country?
Yes. Milbemycin 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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