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Pharmacopeial Impurities (EP / USP / BP)

Doxapram EP impurity B

Reference StandardAvailable on request

Buy Doxapram EP impurity B (CAS 1688-76-2) from Zemixal: C22H28N2O2, COA and SDS with every lot, worldwide shipping. Catalogue no. ZX-029089.

Pack sizes
Doxapram EP impurity B chemical structure
CAS number1688-76-2
FormulaC22H28N2O2
Molar mass352.5 g/mol
Physical formSolid
HS code38229090
InChIKeyJBZGQONBFMWLQR-UHFFFAOYSA-N
IUPAC name1-ethyl-4-[2-(2-hydroxyethylamino)ethyl]-3,3-diphenylpyrrolidin-2-one

About Doxapram EP impurity B

Doxapram EP impurity B belongs to the Doxapram reference-standard family in the Zemixal catalogue. For your records (Reference Standard), the material is defined by CAS 1688-76-2, formula C22H28N2O2 and molar mass 352.5 g/mol. It is handled as a solid.

Common uses in the lab and plant

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

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. Send an enquiry through the quote panel and you get a formal offer with Incoterms and delivery time.

Reference standards for Doxapram

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

Doxapram 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 Doxapram EP impurity B
Product nameDoxapram EP impurity B
Catalogue numberZX-029089
CAS number1688-76-2
IUPAC name1-ethyl-4-[2-(2-hydroxyethylamino)ethyl]-3,3-diphenylpyrrolidin-2-one
Molecular formulaC22H28N2O2
Molar mass352.5 g/mol
Exact mass352.2151
GradeReference Standard
Physical formSolid
XLogP32.5
H-bond donors / acceptors2 / 3
Topological polar surface area52.6 Ų
HS code38229090
InChIKeyJBZGQONBFMWLQR-UHFFFAOYSA-N
SMILESCCN1CC(C(C1=O)(C2=CC=CC=C2)C3=CC=CC=C3)CCNCCO
PubChem CID71586784
SynonymsDoxapram EP Impurity B (Free Base), Doxapram Hydrochloride Monohydrate - Impurity B, Doxapram impurity B, 1-Ethyl-4-(2-((2-hydroxyethyl)amino)ethyl)-3,3-diphenylpyrrolidin-2-one, (+/-)-1-Ethyl-4-(2-((2-hydroxyethyl)amino)ethyl)-3,3-diphenylpyrrolidin-2-one, (4RS)-1-Ethyl-4-(2-((2-hydroxyethyl)amino)ethyl)-3,3-diphenylpyrrolidin-2-one, 2-Pyrrolidinone, 1-ethyl-4-(2-((2-hydroxyethyl)amino)ethyl)-3,3-diphenyl-, 2-Pyrrolidinone, 1-ethyl-4-[2-[(2-hydroxyethyl)amino]ethyl]-3,3-diphenyl-, (4RS)-1-ethyl-4-[2-[(2-hydroxyethyl)amino]ethyl]-3,3-diphenylpyrrolidin-2-one

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 Doxapram 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 Doxapram EP impurity B

Which CAS number identifies Doxapram EP impurity B?
Doxapram EP impurity B is registered under CAS 1688-76-2. You may also see it listed as Doxapram EP Impurity B (Free Base), Doxapram Hydrochloride Monohydrate - Impurity B, Doxapram impurity B. Our catalogue number for this item is ZX-029089.
What are the formula and molar mass of Doxapram EP impurity B?
For Doxapram EP impurity B, its formula is C22H28N2O2 and its molar mass is 352.5 g/mol. The systematic (IUPAC) name is 1-ethyl-4-[2-(2-hydroxyethylamino)ethyl]-3,3-diphenylpyrrolidin-2-one. InChIKey JBZGQONBFMWLQR-UHFFFAOYSA-N lets you match it in any structure database.
How is Doxapram EP impurity B used in pharmaceutical QC?
Doxapram EP impurity B is a characterised reference material linked to Doxapram. 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 Doxapram 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 Doxapram 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 Doxapram EP impurity B to my country?
Yes. Doxapram 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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