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Pharmacopeial Impurities (EP / USP / BP)

Dextromethorphan EP Impurity C

Reference StandardAvailable on request

Dextromethorphan EP Impurity C (CAS 57969-05-8) supplier Zemixal. Request a quote with price, lead time and documents. Packs from 10 mg.

Pack sizes
Dextromethorphan EP Impurity C chemical structure
CAS number57969-05-8
FormulaC18H23NO2
Molar mass285.4 g/mol
Physical formSolid
HS code38229090
InChIKeyUOCRGKKCNCIQCZ-KYJSFNMBSA-N
IUPAC name(1S,9R,10S)-4-methoxy-17-methyl-17-azatetracyclo[7.5.3.01,10.02,7]heptadeca-2(7),3,5-trien-8-one

About Dextromethorphan EP Impurity C

Dextromethorphan EP Impurity C is supplied by Zemixal as a characterised reference material for Dextromethorphan analysis. For your records (Reference Standard), the material is defined by CAS 57969-05-8, formula C18H23NO2 and molar mass 285.4 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

Safe handling

Hazard communication follows GHS (Warning: H302). Our SDS lists exposure controls and first-aid measures.

Standard pack sizes are 10 mg, 25 mg, 50 mg and 100 mg, and custom quantities are quoted on request. Every shipment includes a certificate of analysis with characterisation data. Request pricing online and we confirm availability, documentation and freight to your country.

Reference standards for Dextromethorphan

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

Dextromethorphan standards

Typical uses

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

Applications

Grade guides

Specifications and identifiers

Specifications of Dextromethorphan EP Impurity C
Product nameDextromethorphan EP Impurity C
Catalogue numberZX-005656
CAS number57969-05-8
IUPAC name(1S,9R,10S)-4-methoxy-17-methyl-17-azatetracyclo[7.5.3.01,10.02,7]heptadeca-2(7),3,5-trien-8-one
Molecular formulaC18H23NO2
Molar mass285.4 g/mol
Exact mass285.1729
GradeReference Standard
Physical formSolid
XLogP33.8
H-bond donors / acceptors0 / 3
Topological polar surface area29.5 Ų
HS code38229090
InChIKeyUOCRGKKCNCIQCZ-KYJSFNMBSA-N
SMILESCN1CC[C@@]23CCCC[C@@H]2[C@@H]1C(=O)C4=C3C=C(C=C4)OC
PubChem CID21780010
Synonyms(9a,13a,14a)-3-Methoxy-17-methylmorphinan-10-one, ent-3-Methoxy-17-methylmorphinan-10-one, (9alpha,13alpha,14alpha)-3-Methoxy-17-methylmorphinan-10-one, 10-Keto dextromethorphan, Dextromethorphan Related Compound C (USP), 3-Methoxy-17-methylmorphinan-10-one, ent-, Morphinan-10-one, 3-methoxy-17-methyl-, (9alpha,13alpha,14alpha)-, Dextromethorphan hydrobromide impurity C, Dextromethorphan hydrobromide specified impurity C, 10-Keto Dextromethorphan (1.0mg/ml in Acetonitrile), 10-Keto Dextromethorphan (1 mg/ml in Acetonitrile), ent-3-Methoxy-17-methylmorphinan-10-one (10-Ketodextromethorphan)

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

  • H302Harmful if swallowed

Precautionary statements P264, P270, P301 + P317, P330, 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 Dextromethorphan EP Impurity C
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 Dextromethorphan EP Impurity C

Which CAS number identifies Dextromethorphan EP Impurity C?
Dextromethorphan EP Impurity C is registered under CAS 57969-05-8. You may also see it listed as (9a,13a,14a)-3-Methoxy-17-methylmorphinan-10-one, ent-3-Methoxy-17-methylmorphinan-10-one, (9alpha,13alpha,14alpha)-3-Methoxy-17-methylmorphinan-10-one. Our catalogue number for this item is ZX-005656.
What are the formula and molar mass of Dextromethorphan EP Impurity C?
For Dextromethorphan EP Impurity C, its formula is C18H23NO2 and its molar mass is 285.4 g/mol. The systematic (IUPAC) name is (1S,9R,10S)-4-methoxy-17-methyl-17-azatetracyclo[7.5.3.01,10.02,7]heptadeca-2(7),3,5-trien-8-one. InChIKey UOCRGKKCNCIQCZ-KYJSFNMBSA-N lets you match it in any structure database.
How is Dextromethorphan EP Impurity C used in pharmaceutical QC?
Dextromethorphan EP Impurity C is a characterised reference material linked to Dextromethorphan. 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 Dextromethorphan EP Impurity C?
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 Dextromethorphan EP Impurity C?
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 Dextromethorphan EP Impurity C to my country?
Yes. Because Dextromethorphan EP Impurity C 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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