Shipping to 128 countriesCOA and SDS with every lotQuotes within one business day
contact@zemixal.com
Bulk CASAccount
Pharmacopeial Impurities (EP / USP / BP)

Dexamethasone EP Impurity D

Reference StandardIn stock

Order Dexamethasone EP Impurity D (CAS 24916-90-3) online at Zemixal. Lab and bulk packs, batch COA, fast global delivery.

Pack sizes
Dexamethasone EP Impurity D chemical structure
CAS number24916-90-3
FormulaC22H28O5
Molar mass372.5 g/mol
Physical formSolid
HS code38229090
Purity95.02%
InChIKeyGBDXNHBVYAMODG-QDBZYVRYSA-N
IUPAC name(1S,2S,10S,11S,13R,14R,15S,17S)-14-hydroxy-14-(2-hydroxyacetyl)-2,13,15-trimethyl-18-oxapentacyclo[8.8.0.01,17.02,7.011,15]octadeca-3,6-dien-5-one

About Dexamethasone EP Impurity D

Analytical teams working on Dexamethasone use Dexamethasone EP Impurity D as a qualified comparison standard. Key data (Reference Standard): CAS 24916-90-3, formula C22H28O5 and molar mass 372.5 g/mol. It is handled as a solid.

Use cases we see most often

  • Pharmacopeial method verification
  • Impurity profiling
  • QC release testing
  • ANDA / DMF filings

Handling and storage

Classified under GHS with signal word Warning and hazard statements H315, H319 and H335. Read the SDS before first use.

Order it in 10 mg, 25 mg and 50 mg packs or ask for a bulk quotation. 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 Dexamethasone

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

Dexamethasone standards

Typical uses

  • Pharmacopeial method verification
  • Impurity profiling
  • QC release testing
  • ANDA / DMF filings

Applications

Pharmaceutical Manufacturing and QCResearch Labs and Universities

Grade guides

Ph. Eur. Grade (European Pharmacopoeia)

Specifications and identifiers

Specifications of Dexamethasone EP Impurity D
Product nameDexamethasone EP Impurity D
Catalogue numberZX-005649
CAS number24916-90-3
IUPAC name(1S,2S,10S,11S,13R,14R,15S,17S)-14-hydroxy-14-(2-hydroxyacetyl)-2,13,15-trimethyl-18-oxapentacyclo[8.8.0.01,17.02,7.011,15]octadeca-3,6-dien-5-one
Molecular formulaC22H28O5
Molar mass372.5 g/mol
Exact mass372.1937
GradeReference Standard
Purity / assay95.02%
Physical formSolid
XLogP32
H-bond donors / acceptors2 / 5
Topological polar surface area87.1 Ų
HS code38229090
InChIKeyGBDXNHBVYAMODG-QDBZYVRYSA-N
SMILESC[C@@H]1C[C@H]2[C@@H]3CCC4=CC(=O)C=C[C@@]4([C@]35[C@@H](O5)C[C@@]2([C@]1(C(=O)CO)O)C)C
PubChem CID11143226
SynonymsMometasone EP Impurity L, (9β,11β,16α)-9,11-Epoxy-17,21-dihydroxy-16-methyl-pregna-1,4-diene-3,20-dione, 17,21-Dihydroxy-16α-methyl-9β,11β-epoxypregna-1,4-diene-3,20-dione, 9β,11β-Epoxy-17,21-dihydroxy-16α-methylpregna-1,4-diene-3,20-dione, Dexamethasone 9,11-Epoxide, Dexamethasone EP Impurity D / Mometasone EP Impurity L, 9beta,11beta-Epoxy-17,21-dihydroxy-16alpha-methylpregna-1,4-diene-3,20-dione, (9b,11b,16a)-9,11-Epoxy-17,21-dihydroxy-16-methyl-pregna-1,4-diene-3,20-dione, 8DM, 8DM/16, A-methyl epoxide, 9,11beta-Epoxy-17,21-dihydroxy-16alpha-methyl-9beta-pregna-1,4-diene-3,20-dione, 9beta,11beta-epoxy-17alpha,21-dihydroxy-16alpha-methylpregna-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

GHS07 Irritant or harmful
Irritant or harmful

Signal word Warning

  • H315Causes skin irritation
  • H319Causes serious eye irritation
  • H335May cause respiratory irritation

Precautionary statements P261, P264, P264 + P265, P271, P280, P302 + P352, P304 + P340, P305 + P351 + P338, P319, P321, P332 + P317, P337 + P317, P362 + P364, P403 + P233, 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 EP Impurity D
10 mgQuoted on request
25 mgQuoted on request
50 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 EP Impurity D

Which CAS number identifies Dexamethasone EP Impurity D?
Dexamethasone EP Impurity D is registered under CAS 24916-90-3. You may also see it listed as Mometasone EP Impurity L, (9β,11β,16α)-9,11-Epoxy-17,21-dihydroxy-16-methyl-pregna-1,4-diene-3,20-dione, 17,21-Dihydroxy-16α-methyl-9β,11β-epoxypregna-1,4-diene-3,20-dione. Our catalogue number for this item is ZX-005649.
What are the formula and molar mass of Dexamethasone EP Impurity D?
For Dexamethasone EP Impurity D, its formula is C22H28O5 and its molar mass is 372.5 g/mol. The systematic (IUPAC) name is (1S,2S,10S,11S,13R,14R,15S,17S)-14-hydroxy-14-(2-hydroxyacetyl)-2,13,15-trimethyl-18-oxapentacyclo[8.8.0.01,17.02,7.011,15]octadeca-3,6-dien-5-one. InChIKey GBDXNHBVYAMODG-QDBZYVRYSA-N lets you match it in any structure database.
How is Dexamethasone EP Impurity D used in pharmaceutical QC?
Dexamethasone EP Impurity D 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 EP Impurity D?
This listing is Reference Standard grade with 95.02% purity. Standard packs are 10 mg, 25 mg, 50 mg. Larger quantities and custom packing can be quoted on request.
Which documents come with Dexamethasone EP Impurity D?
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 EP Impurity D to my country?
Yes. Because Dexamethasone EP Impurity D 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.

More Dexamethasone standards

More in Pharmacopeial Impurities (EP / USP / BP)

Have a list of compounds to price?

Paste up to 200 CAS numbers into Bulk CAS lookup, or send one enquiry for everything in your quote list. We reply with price, lead time and documents.

Bulk CAS lookup Open quote list
Compare 0 of 4Compare now