Nicorandil

Appearance: White or off white crystalline powder;
Solubility: This product is easily soluble in methanol, ethanol, acetone, glacial acetic acid, and dilute ethanol, soluble in chloroform, slightly soluble in water, and almost insoluble in ether.
Melting point: should be 88.5~93.5 ℃;
Acidity: The pH value should be 5.5~7.0;
Sulfate: not exceeding 0.01%;
Moisture content: not exceeding 0.5%;
Burning residue: not exceeding 0.1%;
Heavy metals: not exceeding 20 parts per million;
Related substances: Single impurities shall not exceed 0.1%; The total impurities shall not exceed 0.20%;
Content: should be between 99.0% and 101.0%.

Indications:
Suitable for the treatment of coronary heart disease and angina pectoris. Effective for exertional, spontaneous, post infarction, or mixed angina pectoris. For patients with angina pectoris accompanied by atrial fibrillation and cardiac enlargement, and for patients who need to use other anti angina drugs with caution.