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Pharmacopeial Impurities (EP / USP / BP)

Betamethasone EP Impurity E

Reference StandardAvailable on request

Buy Betamethasone EP Impurity E (CAS 981-34-0) from Zemixal: C22H28O5, COA and SDS with every lot, worldwide shipping. Quotes within one business day.

Pack sizes
Betamethasone EP Impurity E chemical structure
CAS number981-34-0
FormulaC22H28O5
Molar mass372.5 g/mol
Physical formSolid
HS code38229090
InChIKeyGBDXNHBVYAMODG-DEGNENOVSA-N
IUPAC name(1S,2S,10S,11S,13S,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 Betamethasone EP Impurity E

Betamethasone EP Impurity E belongs to the Beclomethasone reference-standard family in the Zemixal catalogue. Identity at a glance (Reference Standard): CAS 981-34-0, formula C22H28O5 and molar mass 372.5 g/mol. It is handled as a solid.

Where it is used

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

Standard pack sizes are 10 mg, 25 mg, 50 mg and 100 mg, and custom quantities are quoted on request. 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 Beclomethasone

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

Beclomethasone 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 Betamethasone EP Impurity E
Product nameBetamethasone EP Impurity E
Catalogue numberZX-020783
CAS number981-34-0
IUPAC name(1S,2S,10S,11S,13S,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
Physical formSolid
XLogP32
H-bond donors / acceptors2 / 5
Topological polar surface area87.1 Ų
HS code38229090
InChIKeyGBDXNHBVYAMODG-DEGNENOVSA-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 CID101933
SynonymsBetamethasone 9,11-Epoxide, Beclomethasone Dipropionate EP Impurity R, Beclometasone Dipropionate EP Impurity R, Beclomethasone Dipropionate - Impurity R, Betamethasone - Impurity E, 9,11beta-Epoxy-17,21-dihydroxy-16beta-methyl-9beta-pregna-1,4-diene-3,20-dione, Pregna-1,4-diene-3,20-dione, 9,11-epoxy-17,21-dihydroxy-16-methyl-, (9beta,11beta,16beta)-, 16-beta Methyl Epoxide, (9beta,11beta,16beta)-9,11-Epoxy-17,21-dihydroxy-16-methylpregna-1,4-diene-3,20-dione, 9beta,11beta-Epoxy-17,21-dihydroxy-16beta-methylpregna-1,4-diene-3,20-dione, 9beta,11beta-Epoxy-17alpha,21-dihydroxy-16beta-methylene-pregna-1,4-diene-3,20-dione, 9b,11b-Epoxy-17,21-dihydroxy-16b-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

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 Betamethasone EP Impurity E
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 Betamethasone EP Impurity E

Which CAS number identifies Betamethasone EP Impurity E?
Betamethasone EP Impurity E is registered under CAS 981-34-0. You may also see it listed as Betamethasone 9,11-Epoxide, Beclomethasone Dipropionate EP Impurity R, Beclometasone Dipropionate EP Impurity R. Our catalogue number for this item is ZX-020783.
What are the formula and molar mass of Betamethasone EP Impurity E?
For Betamethasone EP Impurity E, its formula is C22H28O5 and its molar mass is 372.5 g/mol. The systematic (IUPAC) name is (1S,2S,10S,11S,13S,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-DEGNENOVSA-N lets you match it in any structure database.
How is Betamethasone EP Impurity E used in pharmaceutical QC?
Betamethasone EP Impurity E is a characterised reference material linked to Beclomethasone. 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 Betamethasone EP Impurity E?
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 Betamethasone EP Impurity E?
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 Betamethasone EP Impurity E to my country?
Yes. Betamethasone EP Impurity E ships worldwide by express courier, air cargo or sea freight, quoted on the Incoterm you prefer, with full export documents.

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