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Ketotifen fumarate

BGC Id:970531247568
CAS No:34580-14-8
Synonyms:(2e)-but-2-endis?ure--4-(1-methylpiperidin-4-yliden)-4,9-dihydro-10h-benzo[4,5]cyclohepta[1,2-b]thiophen-10-on(1:1) ; 4-(1-methylpiperidin-4-ylidene)-4,9-dihydro-10h-benzo[4,5]cyclohepta[1,2-b]thiophen-10-one (2e)-but-2-enedioate (1:1) ; ketotifen fumarate ; 4-(1-methylpiperidin-4-ylidene)-4,9-dihydro-10h-benzo[4,5]cyclohepta[1,2-b]thiophen-10-one (2e)-but-2-enedioate ; anatifen ; zaditen ; ketotifene fumarate ; allerkif ; zaditor ; hc20-511fumarate ; ketotifen fumarat ; totifen ; zasten
Molecular Formula:C23H23NO5S
Molecular Weight:425.53
EINECS:252-100-0
Structural Formula

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Characters White to brownish-yellow,fine,crystalline powder. Identification TLC IR spectrum Solubility Sparingly soluble in water,slightly soluble in methanol,very slightly soluble in acetonifrile Clarity and colour of solution Clear and not more than Y4,BY4,B4 Loss on drying Not more than 0.5% Sulphated ash Not more than 0.1% Related substances(HPLC) Impurity A Not more than 0.2% Impurity G Not more than 0.2%
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BOC Sciences
Molecular Weight : 425.5 Molecular Formula : C19H19NOS.C4H4O4 Canonical SMILES : CN1CCC(=C2C3=C(C(=O)CC4=CC=CC=C42)SC=C3)CC1.C(=CC(=O)O)C(=O)O InChI : InChI=1S/C19H19NOS.C4H4O4/c1-20-9-6-13(7-10-20)18-15-5-3-2-4-14(15)12-17(21)19-16(18)8-11-22-19;5-3(6)1-2-4(7)8/h2-5,8,11H,6-7,9-10,12H2,1H3;1-2H,(H,5,6)(H,7,8)/b;2-1+ InChIKey : YNQQEYBLVYAWNX-WLHGVMLRSA-N Boiling Point : 250-263 °C(lit.) Melting Point >>more

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Molekula
Molecular Weight : 425.5 Formula : C23H23NO5S HS Code : 2934999090 Categories : Bioactive Small Molecules,Research Organics & Inorganics
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Leap Chem
Molecular Formula: C23H23NO5S Molecular Weight: 425.5 Hazard Symbols: Xn,T WGKGermany: 3 HS Code: 29349990

The last intensive check and update was carried out on 2026/08/19.

Identify

Synonyms:
(2e)-but-2-endis?ure--4-(1-methylpiperidin-4-yliden)-4,9-dihydro-10h-benzo[4,5]cyclohepta[1,2-b]thiophen-10-on(1:1) ; 4-(1-methylpiperidin-4-ylidene)-4,9-dihydro-10h-benzo[4,5]cyclohepta[1,2-b]thiophen-10-one (2e)-but-2-enedioate (1:1) ; ketotifen fumarate ; 4-(1-methylpiperidin-4-ylidene)-4,9-dihydro-10h-benzo[4,5]cyclohepta[1,2-b]thiophen-10-one (2e)-but-2-enedioate ; anatifen ; zaditen ; ketotifene fumarate ; allerkif ; zaditor ; hc20-511fumarate ; ketotifen fumarat ; totifen ; zasten
CAS:
34580-14-8
EINECS:
252-100-0
Molecular Formula:
C23H23NO5S
MDL:
MFCD00079394

Properties

Molecular Weight:
425.53 g·mol−1
Melting point:
192 C
Boiling point:
488.9 °C at 760 mmHg
Flash point:
249.5 °C
Solubility:
Soluble in water (10 mg/ml), DMSO (100 mM), and methanol.
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Safety Information

Hazard Classes:
Risk Codes:
22-36/37/38-23/24/25 (R)
Safety Codes:
36-45-36/37/39-26 (S)
WGK Germany:
3
RTECS:
DE8260000
Storage temperature:
Store at RT

What other providers are available for CAS 34580-14-8?

In addition to the providers presented here for Ketotifen fumarate with the CAS number 34580-14-8, there are other 3 providers with slightly different product names available for this CAS number.

+2 additional providers that we know from the past
+1 additional providers that we know from the past




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