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API Impurities

21-Deoxydexamethasone

Reference StandardAvailable on request

21-Deoxydexamethasone (CAS 426-15-3) supplier Zemixal. Lab and bulk packs, batch COA, fast global delivery. Packs from 10 mg.

Pack sizes
21-Deoxydexamethasone chemical structure
CAS number426-15-3
FormulaC22H29FO4
Molar mass376.5 g/mol
Physical formSolid
HS code38229090
InChIKeyIKGBPSZWCRRUQS-QAHQDLQKSA-N
IUPAC name(8S,9R,10S,11S,13S,14S,16R,17R)-17-acetyl-9-fluoro-11,17-dihydroxy-10,13,16-trimethyl-6,7,8,11,12,14,15,16-octahydrocyclopenta[a]phenanthren-3-one

About 21-Deoxydexamethasone

21-Deoxydexamethasone is supplied by Zemixal as a characterised reference material for Dexamethasone analysis. Key data (Reference Standard): CAS 426-15-3, formula C22H29FO4 and molar mass 376.5 g/mol. It is handled as a solid.

Typical applications

  • Analytical method development
  • Method validation (AMV)
  • 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. Send an enquiry through the quote panel and you get a formal offer with Incoterms and delivery time.

Reference standards for Dexamethasone

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

Dexamethasone standards

Typical uses

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

Applications

Specifications and identifiers

Specifications of 21-Deoxydexamethasone
Product name21-Deoxydexamethasone
Catalogue numberZX-024240
CAS number426-15-3
IUPAC name(8S,9R,10S,11S,13S,14S,16R,17R)-17-acetyl-9-fluoro-11,17-dihydroxy-10,13,16-trimethyl-6,7,8,11,12,14,15,16-octahydrocyclopenta[a]phenanthren-3-one
Molecular formulaC22H29FO4
Molar mass376.5 g/mol
Exact mass376.205
GradeReference Standard
Physical formSolid
XLogP32.4
H-bond donors / acceptors2 / 5
Topological polar surface area74.6 Ų
HS code38229090
InChIKeyIKGBPSZWCRRUQS-QAHQDLQKSA-N
SMILESC[C@@H]1C[C@H]2[C@@H]3CCC4=CC(=O)C=C[C@@]4([C@]3([C@H](C[C@@]2([C@]1(C(=O)C)O)C)O)F)C
PubChem CID22793405
Synonyms9-Fluoro-11beta,17-dihydroxy-16alpha-methylpregna-1,4-diene-3,20-dione, (11beta,16alpha)-9-Fluoro-11,17-dihydroxy-16-methylpregna-1,4-diene-3,20-dione, Pregna-1,4-diene-3,20-dione, 9-fluoro-11,17-dihydroxy-16-methyl-, (11beta,16alpha)-, Pregna-1,4-diene-3,20-dione, 9-fluoro-11beta,17-dihydroxy-16alpha-methyl-

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 21-Deoxydexamethasone
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 21-Deoxydexamethasone

Which CAS number identifies 21-Deoxydexamethasone?
21-Deoxydexamethasone is registered under CAS 426-15-3. You may also see it listed as 9-Fluoro-11beta,17-dihydroxy-16alpha-methylpregna-1,4-diene-3,20-dione, (11beta,16alpha)-9-Fluoro-11,17-dihydroxy-16-methylpregna-1,4-diene-3,20-dione, Pregna-1,4-diene-3,20-dione, 9-fluoro-11,17-dihydroxy-16-methyl-, (11beta,16alpha)-. Our catalogue number for this item is ZX-024240.
What are the formula and molar mass of 21-Deoxydexamethasone?
For 21-Deoxydexamethasone, its formula is C22H29FO4 and its molar mass is 376.5 g/mol. The systematic (IUPAC) name is (8S,9R,10S,11S,13S,14S,16R,17R)-17-acetyl-9-fluoro-11,17-dihydroxy-10,13,16-trimethyl-6,7,8,11,12,14,15,16-octahydrocyclopenta[a]phenanthren-3-one. InChIKey IKGBPSZWCRRUQS-QAHQDLQKSA-N lets you match it in any structure database.
How is 21-Deoxydexamethasone used in pharmaceutical QC?
21-Deoxydexamethasone is a characterised reference material linked to Dexamethasone. 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 21-Deoxydexamethasone?
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 21-Deoxydexamethasone?
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 21-Deoxydexamethasone to my country?
Yes. 21-Deoxydexamethasone ships worldwide by express courier, air cargo or sea freight, quoted on the Incoterm you prefer, with full export documents.

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