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API Impurities

Fluorometholone Impurity B

Reference StandardAvailable on request

Order Fluorometholone Impurity B (CAS 83873-16-9) online at Zemixal. Lab and bulk packs, batch COA, fast global delivery.

Pack sizes
Fluorometholone Impurity B chemical structure
CAS number83873-16-9
FormulaC22H28O4
Molar mass356.5 g/mol
Physical formSolid
HS code38229090
InChIKeySIYXFDGWCLUFNE-SJTSTTJWSA-N
IUPAC name(1S,2S,8S,10S,11S,14R,15S,17S)-14-acetyl-14-hydroxy-2,8,15-trimethyl-18-oxapentacyclo[8.8.0.01,17.02,7.011,15]octadeca-3,6-dien-5-one

About Fluorometholone Impurity B

Fluorometholone Impurity B is supplied by Zemixal as a characterised reference material for Fluorometholone analysis. Identity at a glance (Reference Standard): CAS 83873-16-9, formula C22H28O4 and molar mass 356.5 g/mol. It is handled as a solid.

Typical applications

  • 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. Send an enquiry through the quote panel and you get a formal offer with Incoterms and delivery time.

Reference standards for Fluorometholone

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

Fluorometholone standards

Typical uses

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

Applications

Pharmaceutical Manufacturing and QCResearch Labs and Universities

Specifications and identifiers

Specifications of Fluorometholone Impurity B
Product nameFluorometholone Impurity B
Catalogue numberZX-024796
CAS number83873-16-9
IUPAC name(1S,2S,8S,10S,11S,14R,15S,17S)-14-acetyl-14-hydroxy-2,8,15-trimethyl-18-oxapentacyclo[8.8.0.01,17.02,7.011,15]octadeca-3,6-dien-5-one
Molecular formulaC22H28O4
Molar mass356.5 g/mol
Exact mass356.1988
GradeReference Standard
Physical formSolid
XLogP32
H-bond donors / acceptors1 / 4
Topological polar surface area66.9 Ų
HS code38229090
InChIKeySIYXFDGWCLUFNE-SJTSTTJWSA-N
SMILESC[C@H]1C[C@H]2[C@@H]3CC[C@@]([C@]3(C[C@H]4[C@@]2(O4)[C@@]5(C1=CC(=O)C=C5)C)C)(C(=O)C)O
PubChem CID88752490
SynonymsEpoxy Metradiene, Fluorometholone Epoxy Metradiene, Epoxymetradiene, Fluorometholone acetate compound 5OX, (6alpha,9beta,11beta)-9,11-Epoxy-17-hydroxy-6-methylpregna-1,4-diene-3,20-dione, Pregna-1,4-diene-3,20-dione, 9,11-epoxy-17-hydroxy-6-methyl-, (6alpha,9beta,11beta)-, (6I+/-,9I(2),11I(2))-9,11-Epoxy-17-hydroxy-6-methylpregna-1,4-diene-3,20-dione, 17-Hydroxy-6alpha-methyl-9beta,11beta-9,11-epoxypregna-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 Fluorometholone Impurity B
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 Fluorometholone Impurity B

Which CAS number identifies Fluorometholone Impurity B?
Fluorometholone Impurity B is registered under CAS 83873-16-9. You may also see it listed as Epoxy Metradiene, Fluorometholone Epoxy Metradiene, Epoxymetradiene. Our catalogue number for this item is ZX-024796.
What are the formula and molar mass of Fluorometholone Impurity B?
For Fluorometholone Impurity B, its formula is C22H28O4 and its molar mass is 356.5 g/mol. The systematic (IUPAC) name is (1S,2S,8S,10S,11S,14R,15S,17S)-14-acetyl-14-hydroxy-2,8,15-trimethyl-18-oxapentacyclo[8.8.0.01,17.02,7.011,15]octadeca-3,6-dien-5-one. InChIKey SIYXFDGWCLUFNE-SJTSTTJWSA-N lets you match it in any structure database.
How is Fluorometholone Impurity B used in pharmaceutical QC?
Fluorometholone Impurity B is a characterised reference material linked to Fluorometholone. 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 Fluorometholone Impurity B?
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 Fluorometholone Impurity B?
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 Fluorometholone Impurity B to my country?
Yes. Fluorometholone Impurity B ships worldwide by express courier, air cargo or sea freight, quoted on the Incoterm you prefer, with full export documents.

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