Shipping to 128 countriesCOA and SDS with every lotQuotes within one business day
Bulk CASAccount
API Reference Standards

Ketotifen fumarate

Reference StandardAvailable on request

Order Ketotifen fumarate (CAS 34580-14-8) online at Zemixal: C23H23NO5S, COA and SDS with every lot, worldwide shipping.

Pack sizes
Ketotifen fumarate chemical structure
CAS number34580-14-8
FormulaC23H23NO5S
Molar mass425.5 g/mol
Physical formSolid
HS code38229090
InChIKeyYNQQEYBLVYAWNX-WLHGVMLRSA-N
IUPAC name(E)-but-2-enedioic acid;2-(1-methylpiperidin-4-ylidene)-6-thiatricyclo[8.4.0.03,7]tetradeca-1(14),3(7),4,10,12-pentaen-8-one

About Ketotifen fumarate

Analytical teams working on Ketotifen use Ketotifen fumarate as a qualified comparison standard. Key data (Reference Standard): CAS 34580-14-8, formula C23H23NO5S and molar mass 425.5 g/mol. It is handled as a solid.

Use cases we see most often

  • Identification & assay
  • Method development & validation
  • QC reference material

Storage and safety notes

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

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. Add it to your quote list and our team replies with price, lead time and shipping options within one business day.

Reference standards for Ketotifen

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

Ketotifen standards

Typical uses

  • Identification & assay
  • Method development & validation
  • QC reference material

Applications

Specifications and identifiers

Specifications of Ketotifen fumarate
Product nameKetotifen fumarate
Catalogue numberZX-021927
CAS number34580-14-8
IUPAC name(E)-but-2-enedioic acid;2-(1-methylpiperidin-4-ylidene)-6-thiatricyclo[8.4.0.03,7]tetradeca-1(14),3(7),4,10,12-pentaen-8-one
Molecular formulaC23H23NO5S
Molar mass425.5 g/mol
Exact mass425.1297
GradeReference Standard
Physical formSolid
H-bond donors / acceptors2 / 7
Topological polar surface area123 Ų
HS code38229090
InChIKeyYNQQEYBLVYAWNX-WLHGVMLRSA-N
SMILESCN1CCC(=C2C3=C(C(=O)CC4=CC=CC=C42)SC=C3)CC1.C(=C/C(=O)O)\C(=O)O
PubChem CID5282408
SynonymsKetotifen Famurate, Ketotifen hydrogen fumarate, HC 20,511 fumarate, HC-20511 fumarate, Ketotifen (as fumarate), Itchy Eye, Eye Itch, Eye Itch Releif, Eye Itch Relief, Allergy Eye Drops, Fumarate, Ketotifen, Equate Eye Itch Relief

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 fumarate
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 fumarate

Which CAS number identifies Ketotifen fumarate?
Ketotifen fumarate is registered under CAS 34580-14-8. You may also see it listed as Ketotifen Famurate, Ketotifen hydrogen fumarate, HC 20,511 fumarate. Our catalogue number for this item is ZX-021927.
What are the formula and molar mass of Ketotifen fumarate?
For Ketotifen fumarate, its formula is C23H23NO5S and its molar mass is 425.5 g/mol. InChIKey YNQQEYBLVYAWNX-WLHGVMLRSA-N lets you match it in any structure database.
How is Ketotifen fumarate used in pharmaceutical QC?
Ketotifen fumarate 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 fumarate?
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 fumarate?
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 fumarate to my country?
Yes. Because Ketotifen fumarate 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.

More Ketotifen standards

More in API Reference Standards

Have a list of compounds to price?

Paste up to 200 CAS numbers into Bulk CAS lookup, or send one enquiry for everything in your quote list. We reply with price, lead time and documents.

Compare 0 of 4Compare now