Guanine

CAS No.: 73-40-5

C5H5N5O=151.13

Grade: ultra pure grade

Content: ≥ 98.0%

Em (248nm, 0.1N HCl)：>11100

Physicochemical properties : white square crystal or amorphous powder. It is easily soluble in ammonium hydroxide, alkali hydroxide and dilute acid solution, slightly soluble in ethanol and ether, insoluble in water, decomposed above 360 ℃ and partially sublimed. Absorbance 250nm / 260nm: 1.32 ～ 1.42; Absorbance 280nm / 260nm: 0.80 ～ 0.88; Absorbance: 290nm / 260nm: 0.45 ～ 0.53

Purpose: biochemical research. Intermediates of thioguanine and ring opening guanine

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