Top Quality 99% CAS 58-32-2 Dypyridamole for Antiplatelet Drugs

Appearance

Yellow orcrystalline powder

Yellow crystalline powder

Solubility

Practically insoluble in water,

freely soluble in acetone,

soluble in  ethanol,  It dissolves in dilute solution of mineral acids.

Practically insoluble in water, freely soluble in acetone,

soluble in  ethanol,  It

dissolves in dilute solution of mineral acids.

IR-spectrum

 Complies  with  reference  spectrum

Complies  with  reference  spectrum

Related  substances

HPLC(Ph.Eur.2.2.29)

Total  impurities:not more  than 1.00%

 Impurity A:not  more  than 0.50%

 Impurity B:not  more  than 0.50%

 Impurity C:not  more  than 0.50%

 Impurity D:not  more  than 0.20%

 Impurity E:not  more  than 0.20%

Methyl 4- methyl benzenesulfonate: not more than 1 ppm

Total  impurities:0.70%

 Impurity A:0.37%

 Impurity B:0.14%

 Impurity C:0. 02%

 Impurity D:0.04%

 Impurity E:0.02%

Methyl4- methyl benzenesulfonate:

Absence

GC(Ph.Eur.2.2.28)

Each other individual impurity:not more than0.10%

Each other individual impurity:not more than 0.10%

Chlorides

Not  more  than 200ppm

Not  more  than 200ppm

Loss  on  drying

Not  more  than  0.5%

0.05%

Sulphated  ash

Not  more  than  0.1%

0.06%

Assay

Between 98.5% and 101.5%

Calculated on anhydrous  basis

99.2%

Bulk density

Not more 400ml/100g

286ml