Pyrantel pamoate CAS 22204-24-6

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Identification:

Product Name: Pyrantel pamoate

CAS : 22204-24-6

Synonyms : 1-Methyl-2-(2-[2-thienyl]ethenyl)-1,4,5,6-tetrahydropyrimidine compound with 4,4'-methylenebis(3-hydroxy-2-naphthoic acid)

Molecular Formula : C23H16O6.C11H14N2S;C34H30N2O6S

Molecular Weight : 594.68

EINECS : 244-837-1

Properties：

Melting point:266-267°C

storage temp.:0-6°C

solubility:Pratically insoluble in water, soluble in dimethyl sulfoxide, pratically insoluble in methanol.

form:powder

color:yellow

Water Solubility:<0.1 g/100 mL at 19 ºC

Specification:

Description:Yellow to tan solid

Identification:

IR:The IR spectrum of the sample agrees with IR spectrum of the Standard

UV:The UV spectrum of the sample agrees with UV spectrum of the

Standard

HPLC:The retention time of the major peaks due to pyrantel base and

pamoic acid of the sample solution correspond to the Standard solution,

as obtained in the Assay

Assay (HPLC):97.0%-103.0%( dried basis)

Pamoic acid (HPLC):63 4%-67.3%(dried basis)

Limit of iron:Not more than 0.0075%

Residue on ignition:Not more than 0.5%

Organic Impurities( HPLC):

Pyrantel related Compound A:Not more than 0.5%

Impurity B:Not more than 0.2%

Individual unspecified:

impurities:Not more than 0.1%

Total unspecified impurities:Not more than 0.3%

Total impurities:Not more than 1.0%

Loss on drying:Not more than 2.0%

Residual solvent:

Ethanol:Not more than 4000ppm

Ethyl Formate:Not more than 4000ppm

Product Package:

20kg/fiber drum, or according to the requirements of the customers.

Product Storage:

Put in a sealed, dry and ventilated place, Guard Against Fire.

Application:

An antiparasitic agent used in the treatment of intestinal parasites such as hookworms and roundworms (Ascaris lumbricoides, aka ascarids in humans) in domesticated animals such as horses, cattle, sheep, pigs, cats, dogs, and many other species.

Some photos of shipment: