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Norketotifen

Reference StandardAvailable on request

Buy Norketotifen (CAS 34580-20-6) from Zemixal. Lab and bulk packs, batch COA, fast global delivery. Exported from India with full paperwork.

Pack sizes
Norketotifen chemical structure
CAS number34580-20-6
FormulaC18H17NOS
Molar mass295.4 g/mol
Physical formSolid
HS code38229090
InChIKeyIYSYPCSSDZBWHN-UHFFFAOYSA-N
IUPAC name2-piperidin-4-ylidene-6-thiatricyclo[8.4.0.03,7]tetradeca-1(14),3(7),4,10,12-pentaen-8-one

About Norketotifen

Zemixal lists Norketotifen for laboratories that identify, quantify or control Ketotifen and its related substances. Identity at a glance (Reference Standard): CAS 34580-20-6, formula C18H17NOS and molar mass 295.4 g/mol. It is handled as a solid.

Where it is used

  • Analytical method development
  • Method validation (AMV)
  • QC release testing
  • ANDA / DMF filings

Safe handling

Classified under GHS with signal word Danger and hazard statements H301. Read the SDS before first use.

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 Ketotifen

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

Ketotifen standards

Typical uses

  • Analytical method development
  • Method validation (AMV)
  • QC release testing
  • ANDA / DMF filings

Applications

Specifications and identifiers

Specifications of Norketotifen
Product nameNorketotifen
Catalogue numberZX-033658
CAS number34580-20-6
IUPAC name2-piperidin-4-ylidene-6-thiatricyclo[8.4.0.03,7]tetradeca-1(14),3(7),4,10,12-pentaen-8-one
Molecular formulaC18H17NOS
Molar mass295.4 g/mol
Exact mass295.1031
GradeReference Standard
Physical formSolid
XLogP32.8
H-bond donors / acceptors1 / 3
Topological polar surface area57.3 Ų
HS code38229090
InChIKeyIYSYPCSSDZBWHN-UHFFFAOYSA-N
SMILESC1CNCCC1=C2C3=C(C(=O)CC4=CC=CC=C42)SC=C3
PubChem CID9904236
SynonymsN-Desmethylketotifen, 10H-Benzo(4,5)cyclohepta(1,2-b)thiophen-10-one, 4,9-dihydro-4-(4-piperidinylidene)-, 4,9-Dihydro-4-(4-piperidinylidene)-10H-benzo(4,5)cyclohepta(1,2-b)thiophen-10-one, 4-(piperidin-4-ylidene)-4H-benzo[4,5]cyclohepta[1,2-b]thiophen-10(9H)-one, GNF-Pf-187, 4-Piperidin-4-ylidene-4,9-dihydro-1-thia-benzo[f]azulen-10-one, 4-(4-piperidinylidene)-4,9-dihydro-10H-benzo[4,5]cyclohepta[1,2-b]thiophen-10-one, 2-(4-piperidylidene)-6-thiatricyclo[8.4.0.03,7]tetradeca-1(14),3(7),4,10,12-pentaen-8-one

Lot values are stated on the batch certificate of analysis. Ask for a typical COA with your quotation.

Safety and GHS hazards

GHS06 Acute toxicity
Acute toxicity

Signal word Danger

  • H301Toxic if swallowed

Precautionary statements P264, P270, P301 + P316, P321, P330, 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 Norketotifen
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 Norketotifen

Which CAS number identifies Norketotifen?
Norketotifen is registered under CAS 34580-20-6. You may also see it listed as N-Desmethylketotifen, 10H-Benzo(4,5)cyclohepta(1,2-b)thiophen-10-one, 4,9-dihydro-4-(4-piperidinylidene)-, 4,9-Dihydro-4-(4-piperidinylidene)-10H-benzo(4,5)cyclohepta(1,2-b)thiophen-10-one. Our catalogue number for this item is ZX-033658.
What are the formula and molar mass of Norketotifen?
For Norketotifen, its formula is C18H17NOS and its molar mass is 295.4 g/mol. The systematic (IUPAC) name is 2-piperidin-4-ylidene-6-thiatricyclo[8.4.0.03,7]tetradeca-1(14),3(7),4,10,12-pentaen-8-one. InChIKey IYSYPCSSDZBWHN-UHFFFAOYSA-N lets you match it in any structure database.
How is Norketotifen used in pharmaceutical QC?
Norketotifen 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 Norketotifen?
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 Norketotifen?
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 Norketotifen to my country?
Yes. Because Norketotifen 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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