Famotidine
Appearance: white or off white crystalline powder; When encountering light, it darkens. This product is slightly soluble in methanol, extremely soluble in acetone, and almost insoluble in water or chloroform; Easy to dissolve in glacial acetic acid.
Melting point: The melting point of this product is 160-165 ℃, and it decomposes simultaneously during melting.
Clarity and color of acidic solution: The solution should be clear and colorless.
Regarding substances: a single impurity shall not exceed 0.3%, and the sum of all impurities shall not exceed 1.0%.
Dry weight loss: not exceeding 0.5%.
Burning residue: not exceeding 0.1%.
Heavy metals: not exceeding 10 parts per million.
Content: not less than 98.0%.
Description
English name: Famotidine
Chemical name: N′-(Aminosulfonyl)-3-([2-(diaminomethyleneamino)-4-thiazolyl]methylthio)propanamidine；3-[[[2-[(Aminoiminomethyl)amino]-4-thiazolyl]methyl]thio]-N-(aminosulfonyl)propanimidamide; [amino-3-[[[2-[(diaminomethylene)amino]-4-thiazolyl]-methyl]thio]propylidene]；
Molecular formula: C8H15N7O2S3
Molecular weight: 337.45
CAS NO.: 76824-35-6
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