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API Impurities

Isoflupropedone-21 phosphate

Reference StandardAvailable on request

Isoflupropedone-21 phosphate (CAS 432-44-0) supplier Zemixal: C21H28FO8P, COA and SDS with every lot, worldwide shipping.

Pack sizes
Isoflupropedone-21 phosphate chemical structure
CAS number432-44-0
FormulaC21H28FO8P
Molar mass458.4 g/mol
Physical formSolid
HS code38229090
InChIKeyUWJRRPBVAKDVFZ-BULBTXNYSA-N
IUPAC name[2-[(8S,9R,10S,11S,13S,14S,17R)-9-fluoro-11,17-dihydroxy-10,13-dimethyl-3-oxo-6,7,8,11,12,14,15,16-octahydrocyclopenta[a]phenanthren-17-yl]-2-oxoethyl] dihydrogen phosphate

About Isoflupropedone-21 phosphate

Isoflupropedone-21 phosphate belongs to the Prednisolone reference-standard family in the Zemixal catalogue. Identity at a glance (Reference Standard): CAS 432-44-0, formula C21H28FO8P and molar mass 458.4 g/mol. It is handled as a solid.

Use cases we see most often

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

Available as 10 mg, 25 mg, 50 mg and 100 mg. Larger or split packs can be arranged. 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 Prednisolone

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

Prednisolone standards

Typical uses

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

Applications

Specifications and identifiers

Specifications of Isoflupropedone-21 phosphate
Product nameIsoflupropedone-21 phosphate
Catalogue numberZX-031577
CAS number432-44-0
IUPAC name[2-[(8S,9R,10S,11S,13S,14S,17R)-9-fluoro-11,17-dihydroxy-10,13-dimethyl-3-oxo-6,7,8,11,12,14,15,16-octahydrocyclopenta[a]phenanthren-17-yl]-2-oxoethyl] dihydrogen phosphate
Molecular formulaC21H28FO8P
Molar mass458.4 g/mol
Exact mass458.1506
GradeReference Standard
Physical formSolid
XLogP3-0.1
H-bond donors / acceptors4 / 9
Topological polar surface area141 Ų
HS code38229090
InChIKeyUWJRRPBVAKDVFZ-BULBTXNYSA-N
SMILESC[C@]12C[C@@H]([C@]3([C@H]([C@@H]1CC[C@@]2(C(=O)COP(=O)(O)O)O)CCC4=CC(=O)C=C[C@@]43C)F)O
PubChem CID71586759
SynonymsIsoflupredone 21-phosphate, Pregna-1,4-diene-3,20-dione, 9-fluoro-11beta,17,21-trihydroxy-, 21-phosphate, Pregna-1,4-diene-3,20-dione, 9-fluoro-11,17-dihydroxy-21-(phosphonooxy)-, (11beta)-, Pregna-1,4-diene-3,20-dione, 9-fluoro-11beta,17,21-trihydroxy-, 21-(dihydrogen phosphate), 9-Fluoro-11beta,17-dihydroxy-3,20-dioxopregna-1,4-dien-21-yl dihydrogen phosphate

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 Isoflupropedone-21 phosphate
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 Isoflupropedone-21 phosphate

Which CAS number identifies Isoflupropedone-21 phosphate?
Isoflupropedone-21 phosphate is registered under CAS 432-44-0. You may also see it listed as Isoflupredone 21-phosphate, Pregna-1,4-diene-3,20-dione, 9-fluoro-11beta,17,21-trihydroxy-, 21-phosphate, Pregna-1,4-diene-3,20-dione, 9-fluoro-11,17-dihydroxy-21-(phosphonooxy)-, (11beta)-. Our catalogue number for this item is ZX-031577.
What are the formula and molar mass of Isoflupropedone-21 phosphate?
For Isoflupropedone-21 phosphate, its formula is C21H28FO8P and its molar mass is 458.4 g/mol. InChIKey UWJRRPBVAKDVFZ-BULBTXNYSA-N lets you match it in any structure database.
How is Isoflupropedone-21 phosphate used in pharmaceutical QC?
Isoflupropedone-21 phosphate 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 Isoflupropedone-21 phosphate?
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 Isoflupropedone-21 phosphate?
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 Isoflupropedone-21 phosphate to my country?
Yes. Isoflupropedone-21 phosphate ships worldwide by express courier, air cargo or sea freight, quoted on the Incoterm you prefer, with full export documents.

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