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4-Aminopyridine is a pyridne compound. It is as a precursor to the drug pinacidil. It is also used as a bird control agent. It is used primarily as a research tool, in characterizing subtypes of potassium channel, and has also been used to manage some of the symptoms of multiple sclerosis, and is indicated for symptomatic improvement of walking in adults with several variations of the disease. It is prepared by the decarbonylation of pyridine-4-carboxamide using sodium hypochlorite via the Hofmann rearrangement. 4-Aminopyridine is a useful pharmacological tool in studying various potassium conductance in physiology and biophysics. It is a relatively selective blocker of members of Kv1 (Shaker, KCNA) family of voltage-activated K+ channels. 4-Aminopyridine is also used under the trade name Avitrol as 0.5% or 1% in bird control bait. It causes convulsions and, infrequently, death, depending on dosage.

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atenolol USP 99

CAS: 29122-68-7 60966-51-0
M.W: 266.34
BP: 508℃ at 760 mmHg
Appearance:White powder
Application:Pharmaceutical Raw Material,Cardioselective adrenergic blocker. Antihypertensive, antianginal, antiarrhythmic (class II)


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quinidine USP 99

CAS: 56-54-2
MF: C20H24N2O2
MW: 324.42
EINECS: 200-279-0
mp 168-172 °C(lit.)
alpha 256 º (c=1, EtOH)
storage temp. Store at -20°C
Water Solubility 0.05 g/100 mL (20 ºC)
Stability: Stable. Incompatible with strong oxidizing agents.
Chemical Properties white to light yellow crystal powde
Usage A dextrorotatory stereoisomer of Quinine. Antiarrhythmic (class IA). Antimalarial
Usage antiarrhythmic, antimalarial
General Description Crystals or white powder.
Air & Water Reactions Insoluble in water.
Fire Hazard Flash point data for Quinidine are not available. Quinidine is probably combustible.

hydruquinone >99%

A useful polymerization inhibitor for monomer such as acrylonitrile, acrylates, styrene, and etc. And an effectcive antioxidant for resin, fatty acid, and mineral oil also, can be used as a component of photographic developers and electronic industry material.

We manufacture most of our products including HQ, our products have occupied a great share in chinese market already, and we have built business relationship with several foreign companies. Now we are expanding the market abroad, we are proud of ourselt to take honor to fullfill need from your esteemed company .  

Fondaparinux Sodium

Fondaparinux sodium is a synthetic compound which helps prevent blood clots forming in blood vessels.

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