... called laetrile for short; however, amygdalin and laetrile are different chemical compounds. Laetrile, which was patented in the United States, is ... a melting point of 214 to 216 degrees Celsius. Its Chemical Abstracts Service Registry Number is 1332-94-1 and its ... )methoxy]-3,4,5-trihydroxyoxane-2-carboxylic acid. Laetrile's chemical formula is C14H15NO7 and its PubChem number is 5484354. Its molecular ...