High Purity Raw Material Antihistamines Ketotifen Fumarate
|FOB Unit Price:||US $1 US $0.78|
|Purchase Qty. (g)||FOB Unit Price|
|Production Capacity:||200 Tons/Year|
|Transport Package:||1 Kg/Foil Bag|
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- Model NO.: Ketotifen Fumarate
- Customized: Customized
- Suitable for: Adult
- Purity: >99%
- Alias: Ketotifen Fumarate
- Einecs No: 252-100-0
- Molecular Weight: 425.5
- Trademark: YC
- Origin: Hubei, China
- Powder: Yes
- Certification: GMP, HSE, ISO 9001
- State: Solid
- Product Name: Ketotifen Fumarate
- CAS Registry Number: 34580-14-8
- Molecular Formula: C23h23no5s
- Appearance: White Powder
- Specification: USD Standard
- HS Code: 3001200010
Product Name: Ketotifen fumarate
Synonyms: 10h-benzo(4,5)cyclohepta(1,2-b)thiophen-10-one,4,9-dihydro-4-(1-methyl-4-pipe;hc20-511fumarate;zaditen;4-(1-methyl-4-piperidylidene)-4h-benzo[4,5]cyclohepta[1,2-b]thiophen-10(9h)-one hydrogen fumarate;4,9-DIHYDRO-4-(1-METHYL-4-PIPERIDINYLIDENE-10H-BENZO[4,5]CYCLOHEPTA[1,2-B]THIOPHEN-10-ONE) FUMARATE;KETOTIFEN FUMARATE;KETOTIFEN FUMARATE SALT;4,9-dihydro-4-(1-methylpiperidin-4-ylidene)-10H-benzo[4,5]cyclohepta[1,2-b]thiophene-10-one fumarate
Product Categories: Antagonists;Histaminergics;Neurotransmitters;Histamine receptor;Aromatics;Heterocycles;Intermediates & Fine Chemicals;Pharmaceuticals;Sulfur & Selenium Compounds;Pharmaceutical raw material;SERC;Other APIs;Antiallergic agents
Mol File: 34580-14-8.mol
Ketotifen fumarate Structure
Anti-allergic drugs Ketotifen fumarate is a kind of strong anti-allergic drugs containing simultaneously of both tricyclic structure as well as piperidine structure. It is characterized by both a strong antagonism effect on histamine H1 receptor and inhibitory effect of the release of the mediator of allergic reaction. It can inhibit the release various kinds of mediators of mast cells, basophils and macrophages, including the release of slow reacting substances and other active substances. It also has antagonism effect on the calcium ion; can inhibit the activity of phosphodiesterase; increase the intracellular cAMP level inside mast cells. Moreover, it can also inhibiting the chemotaxis and inflammation of neutrophil with an effect 10 times as strong as that of chlorpheniramine, and it also has a long duration time which is better compared with sodium cromolyn. Ketotifen fumarate has therapeutic effect on both and type of allergic reaction. Its peak blood concentrations can sustain for 2 to 3 hours with a half-life of 22 hours during which 60% goes through urinary excretion, 40% goes through the fecal excretion. Children usually have a faster excretion rate of it than adults. Long-term treatment will not cause resistance. No rebound phenomenon will occur with interruption of treatment.
Chemical Properties This product is white (or light-yellow) crystalline powder, and is odorless with bitter taste. It is slightly soluble in water and ethanol, and easily soluble in methanol but very slightly soluble in chloroform and acetone.
Indications Dermatology applies it to the treatment of allergic diseases such as urticaria, pruritus, eczema, atopic dermatitis, and neurodermatitis; it is recently reported that it is also effective in the treatment of scleroderma. For medicine, it has a good efficacy in treating asthma, especially with a significant effect on treating allergic asthma, followed by mixed asthma, and being effective in half of cases for infecting type. It can also be used for the prevention of asthma.
Chemical Properties Off-White Solid
Usage Antiasthmatic; antiallergic.
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