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Pharmacopeial Impurities (EP / USP / BP)

Ketotifen EP Impurity D

Reference StandardAvailable on request

Buy Ketotifen EP Impurity D (CAS 88456-70-6) from Zemixal. Request a quote with price, lead time and documents. Catalogue no. ZX-021929.

Pack sizes
Ketotifen EP Impurity D chemical structure
CAS number88456-70-6
FormulaC19H19NO2S
Molar mass325.4 g/mol
Physical formSolid
HS code38229090
InChIKeyFDAHLWKMNJCURA-UHFFFAOYSA-N
IUPAC name2-(1-methyl-1-oxidopiperidin-1-ium-4-ylidene)-6-thiatricyclo[8.4.0.03,7]tetradeca-1(14),3(7),4,10,12-pentaen-8-one

About Ketotifen EP Impurity D

Analytical teams working on Ketotifen use Ketotifen EP Impurity D as a qualified comparison standard. Key data (Reference Standard): CAS 88456-70-6, formula C19H19NO2S and molar mass 325.4 g/mol. It is handled as a solid.

Where it is used

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

Safe handling

It carries the GHS signal word Warning (H302), 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. 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 Ketotifen

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

Ketotifen 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 Ketotifen EP Impurity D
Product nameKetotifen EP Impurity D
Catalogue numberZX-021929
CAS number88456-70-6
IUPAC name2-(1-methyl-1-oxidopiperidin-1-ium-4-ylidene)-6-thiatricyclo[8.4.0.03,7]tetradeca-1(14),3(7),4,10,12-pentaen-8-one
Molecular formulaC19H19NO2S
Molar mass325.4 g/mol
Exact mass325.1137
GradeReference Standard
Physical formSolid
XLogP32.7
H-bond donors / acceptors0 / 3
Topological polar surface area63.4 Ų
HS code38229090
InChIKeyFDAHLWKMNJCURA-UHFFFAOYSA-N
SMILESC[N+]1(CCC(=C2C3=C(C(=O)CC4=CC=CC=C42)SC=C3)CC1)[O-]
PubChem CID12274874
SynonymsKetotifen Fumarate EP Impurity D, Ketotifen N-Oxide (Mixture of Isomers), Ketotifen Fumarate - Impurity D, Ketotifen N-Oxide, Ketotifen Impurity D, ketotifen N-oxid

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 Ketotifen EP Impurity D
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 Ketotifen EP Impurity D

Which CAS number identifies Ketotifen EP Impurity D?
Ketotifen EP Impurity D is registered under CAS 88456-70-6. You may also see it listed as Ketotifen Fumarate EP Impurity D, Ketotifen N-Oxide (Mixture of Isomers), Ketotifen Fumarate - Impurity D. Our catalogue number for this item is ZX-021929.
What are the formula and molar mass of Ketotifen EP Impurity D?
For Ketotifen EP Impurity D, its formula is C19H19NO2S and its molar mass is 325.4 g/mol. The systematic (IUPAC) name is 2-(1-methyl-1-oxidopiperidin-1-ium-4-ylidene)-6-thiatricyclo[8.4.0.03,7]tetradeca-1(14),3(7),4,10,12-pentaen-8-one. InChIKey FDAHLWKMNJCURA-UHFFFAOYSA-N lets you match it in any structure database.
How is Ketotifen EP Impurity D used in pharmaceutical QC?
Ketotifen EP Impurity D is a characterised reference material linked to Ketotifen. 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 Ketotifen EP Impurity D?
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 Ketotifen EP Impurity D?
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 Ketotifen EP Impurity D to my country?
Yes. Because Ketotifen EP Impurity D 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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