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API Impurities

Dexamethasone Acid Impurity

Reference StandardIn stock

Order Dexamethasone Acid Impurity (CAS 37927-01-8) online at Zemixal. Request a quote with price, lead time and documents.

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Dexamethasone Acid Impurity chemical structure
CAS number37927-01-8
FormulaC21H27FO5
Molar mass378.4 g/mol
Physical formSolid
HS code38229090
Purity94%
InChIKeyPFAGPIFFRLDBRN-AFKBWYBQSA-N
IUPAC name(8S,9R,10S,11S,13S,14S,16R,17R)-9-fluoro-11,17-dihydroxy-10,13,16-trimethyl-3-oxo-6,7,8,11,12,14,15,16-octahydrocyclopenta[a]phenanthrene-17-carboxylic acid

About Dexamethasone Acid Impurity

Zemixal lists Dexamethasone Acid Impurity for laboratories that identify, quantify or control Dexamethasone and its related substances. Identity at a glance (Reference Standard): CAS 37927-01-8, formula C21H27FO5 and molar mass 378.4 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

Storage and safety notes

Hazard communication follows GHS (Danger: H373). Our SDS lists exposure controls and first-aid measures.

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. Add it to your quote list and our team replies with price, lead time and shipping options within one business day.

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 Dexamethasone Acid Impurity
Product nameDexamethasone Acid Impurity
Catalogue numberZX-004613
CAS number37927-01-8
IUPAC name(8S,9R,10S,11S,13S,14S,16R,17R)-9-fluoro-11,17-dihydroxy-10,13,16-trimethyl-3-oxo-6,7,8,11,12,14,15,16-octahydrocyclopenta[a]phenanthrene-17-carboxylic acid
Molecular formulaC21H27FO5
Molar mass378.4 g/mol
Exact mass378.1843
GradeReference Standard
Purity / assay94%
Physical formSolid
XLogP32
H-bond donors / acceptors3 / 6
Topological polar surface area94.8 Ų
HS code38229090
InChIKeyPFAGPIFFRLDBRN-AFKBWYBQSA-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)O)O)C)O)F)C
PubChem CID12878399
SynonymsDexamethasone Acid, (-)-Dexamethasone acid, 9-Fluoro-11beta,17-dihydroxy-16alpha-methyl-3-oxoandrosta-1,4-diene-17beta-carboxylic acid, Dexamethasone Sodium Phosphate EP Impurity G, Betamethasone acid, (-)-, Dexamethasone Sodium phosphate Impurity G ((-)-Dexamethasone Acid), 9-Fluoro-11,17-dihydroxy-16a-methyl-3-oxoandrosta-1,4-diene-17-carboxylic Acid, 9-Fluoro-11b,17-dihydroxy-16a-methyl-3- oxoandrosta-1,4-diene-17b-carboxylic acid

Lot values are stated on the batch certificate of analysis. Ask for a typical COA with your quotation.

Safety and GHS hazards

GHS08 Health hazard
Health hazard

Signal word Danger

  • H373May causes damage to organs through prolonged or repeated exposure

Precautionary statements P203, P260, P280, P318, P319, P405, P501

Classification summarised from public GHS notifications. It can vary with grade and concentration, so always follow the SDS supplied with your lot.

Pack sizes

Pack sizes of Dexamethasone Acid Impurity
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 Dexamethasone Acid Impurity

Which CAS number identifies Dexamethasone Acid Impurity?
Dexamethasone Acid Impurity is registered under CAS 37927-01-8. You may also see it listed as Dexamethasone Acid, (-)-Dexamethasone acid, 9-Fluoro-11beta,17-dihydroxy-16alpha-methyl-3-oxoandrosta-1,4-diene-17beta-carboxylic acid. Our catalogue number for this item is ZX-004613.
What are the formula and molar mass of Dexamethasone Acid Impurity?
For Dexamethasone Acid Impurity, its formula is C21H27FO5 and its molar mass is 378.4 g/mol. The systematic (IUPAC) name is (8S,9R,10S,11S,13S,14S,16R,17R)-9-fluoro-11,17-dihydroxy-10,13,16-trimethyl-3-oxo-6,7,8,11,12,14,15,16-octahydrocyclopenta[a]phenanthrene-17-carboxylic acid. InChIKey PFAGPIFFRLDBRN-AFKBWYBQSA-N lets you match it in any structure database.
How is Dexamethasone Acid Impurity used in pharmaceutical QC?
Dexamethasone Acid Impurity 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 Dexamethasone Acid Impurity?
This listing is Reference Standard grade with 94% purity. 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 Dexamethasone Acid Impurity?
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 Dexamethasone Acid Impurity to my country?
Yes. Because Dexamethasone Acid Impurity is classed as hazardous, it travels in UN-approved packaging as dangerous goods under IATA or IMDG rules, with the export paperwork your broker needs.

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