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Pharmacopeial Impurities (EP / USP / BP)

Diphenhydramine EP Impurity B

Reference StandardAvailable on request

Buy Diphenhydramine EP Impurity B (CAS 19804-27-4) from Zemixal. Request a quote with price, lead time and documents. Packs from 10 mg.

Pack sizes
Diphenhydramine EP Impurity B chemical structure
CAS number19804-27-4
FormulaC18H23NO
Molar mass269.4 g/mol
Physical formSolid
HS code38229090
InChIKeyPJUYQWIDNIAHIZ-UHFFFAOYSA-N
IUPAC nameN,N-dimethyl-2-[(4-methylphenyl)-phenylmethoxy]ethanamine

About Diphenhydramine EP Impurity B

Analytical teams working on Orphenadrine use Diphenhydramine EP Impurity B as a qualified comparison standard. For your records (Reference Standard), the material is defined by CAS 19804-27-4, formula C18H23NO and molar mass 269.4 g/mol. It is handled as a solid.

Typical applications

  • 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 Orphenadrine

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

Orphenadrine 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 Diphenhydramine EP Impurity B
Product nameDiphenhydramine EP Impurity B
Catalogue numberZX-024296
CAS number19804-27-4
IUPAC nameN,N-dimethyl-2-[(4-methylphenyl)-phenylmethoxy]ethanamine
Molecular formulaC18H23NO
Molar mass269.4 g/mol
Exact mass269.178
GradeReference Standard
Physical formSolid
XLogP33.6
H-bond donors / acceptors0 / 2
Topological polar surface area12.5 Ų
HS code38229090
InChIKeyPJUYQWIDNIAHIZ-UHFFFAOYSA-N
SMILESCC1=CC=C(C=C1)C(C2=CC=CC=C2)OCCN(C)C
PubChem CID19935
SynonymsToladryl, Diphenhydramine - Impurity B, Dimenhydrinate EP Impurity G, Orphenadrine EP Impurity F, 4-Methyldiphenhydramine, p-Methyldiphenhydramine, N,N-Dimethyl-2-[(4-methylphenyl)phenylmethoxy]ethanamine, Neo-benodine, Diphenhydramine Impurity B, p-Methylbenzhydryl 2-Dimethylaminoethyl Ether, Ethanamine, 2-[(4-methylphenyl)(phenyl)methoxy]-N,N-dimethyl-, N,N-Dimethyl-2-((4-methylphenyl)phenylmethoxy)ethanamine

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 Diphenhydramine EP Impurity B
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 Diphenhydramine EP Impurity B

Which CAS number identifies Diphenhydramine EP Impurity B?
Diphenhydramine EP Impurity B is registered under CAS 19804-27-4. You may also see it listed as Toladryl, Diphenhydramine - Impurity B, Dimenhydrinate EP Impurity G. Our catalogue number for this item is ZX-024296.
What are the formula and molar mass of Diphenhydramine EP Impurity B?
For Diphenhydramine EP Impurity B, its formula is C18H23NO and its molar mass is 269.4 g/mol. The systematic (IUPAC) name is N,N-dimethyl-2-[(4-methylphenyl)-phenylmethoxy]ethanamine. InChIKey PJUYQWIDNIAHIZ-UHFFFAOYSA-N lets you match it in any structure database.
How is Diphenhydramine EP Impurity B used in pharmaceutical QC?
Diphenhydramine EP Impurity B is a characterised reference material linked to Orphenadrine. 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 Diphenhydramine EP Impurity B?
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 Diphenhydramine EP Impurity B?
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 Diphenhydramine EP Impurity B to my country?
Yes. Diphenhydramine EP Impurity B ships worldwide by express courier, air cargo or sea freight, quoted on the Incoterm you prefer, with full export documents.

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