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Pharmacopeial Impurities (EP / USP / BP)

Doxylamine EP Impurity B

Reference StandardAvailable on request

Buy Doxylamine EP Impurity B (CAS 19490-92-7) from Zemixal. Lab and bulk packs, batch COA, fast global delivery. Packs from 10 mg.

Pack sizes
Doxylamine EP Impurity B chemical structure
CAS number19490-92-7
FormulaC13H13NO
Molar mass199.25 g/mol
Physical formSolid
HS code38229090
InChIKeyJZSWVCNVNOZMFN-UHFFFAOYSA-N
IUPAC name1-phenyl-1-pyridin-2-ylethanol

About Doxylamine EP Impurity B

Zemixal lists Doxylamine EP Impurity B for laboratories that identify, quantify or control Doxylamine and its related substances. Identity at a glance (Reference Standard): CAS 19490-92-7, formula C13H13NO and molar mass 199.25 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

Safe handling

It carries the GHS signal word Warning (H302, H315, H319 and H335), so wear gloves and eye protection and work with good ventilation.

Order it in 10 mg, 25 mg, 50 mg and 100 mg packs or ask for a bulk quotation. Each lot travels with a certificate of analysis with characterisation data. Request pricing online and we confirm availability, documentation and freight to your country.

Reference standards for Doxylamine

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

Doxylamine 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 Doxylamine EP Impurity B
Product nameDoxylamine EP Impurity B
Catalogue numberZX-021477
CAS number19490-92-7
IUPAC name1-phenyl-1-pyridin-2-ylethanol
Molecular formulaC13H13NO
Molar mass199.25 g/mol
Exact mass199.0997
GradeReference Standard
Physical formSolid
XLogP31.9
H-bond donors / acceptors1 / 2
Topological polar surface area33.1 Ų
HS code38229090
InChIKeyJZSWVCNVNOZMFN-UHFFFAOYSA-N
SMILESCC(C1=CC=CC=C1)(C2=CC=CC=N2)O
PubChem CID86883
SynonymsDoxylamine - Impurity B, 1-phenyl-1-(pyridin-2-yl)ethanol, 1-phenyl-1-(pyridin-2-yl)ethan-1-ol, Doxylamine alcohol, alpha-Methyl-alpha-phenyl-2-pyridinemethanol, alpha-Methyl-alpha-phenylpyridine-2-methanol, Doxylamine Impurity B, 1-(phenyl)-2-(alpha-pyridyl)ethanol, alpha-Methyl-alpha-pyridylbenzyl Alcohol, Chemical Intermediate for Doxylamine Succinate, I+/--Methyl-I+/--phenyl-2-pyridinemethanol

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

Precautionary statements P261, P264, P264 + P265, P270, P271, P280, P301 + P317, P302 + P352, P304 + P340, P305 + P351 + P338, P319, P321, P330, 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 Doxylamine 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 Doxylamine EP Impurity B

Which CAS number identifies Doxylamine EP Impurity B?
Doxylamine EP Impurity B is registered under CAS 19490-92-7. You may also see it listed as Doxylamine - Impurity B, 1-phenyl-1-(pyridin-2-yl)ethanol, 1-phenyl-1-(pyridin-2-yl)ethan-1-ol. Our catalogue number for this item is ZX-021477.
What are the formula and molar mass of Doxylamine EP Impurity B?
For Doxylamine EP Impurity B, its formula is C13H13NO and its molar mass is 199.25 g/mol. The systematic (IUPAC) name is 1-phenyl-1-pyridin-2-ylethanol. InChIKey JZSWVCNVNOZMFN-UHFFFAOYSA-N lets you match it in any structure database.
How is Doxylamine EP Impurity B used in pharmaceutical QC?
Doxylamine EP Impurity B is a characterised reference material linked to Doxylamine. 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 Doxylamine 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 Doxylamine 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 Doxylamine EP Impurity B to my country?
Yes. Because Doxylamine EP Impurity B 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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