Cytosine/4-Amino-2(1H)-pyrimidinone/2-Oxy-4-amino pyrimidine

English Name: cytosine; 4-Amino-2(1H)-pyrimidinone； 2-Oxy-4-amino pyrimidine

Other names: 4-amino-2-hydroxypyrimidine; Cytosine; Cytosine; Oxycytosine; Cytosine; 4-amino-2 (1H) pyrimidine

CAS No.: 71-30-7

C4H5N3O=111.10

Grade: ultra pure grade

Content: ≥ 99.0% (HPLC)

Heavy metal: ≤ 10ppm

Loss on drying: ≤ 0.50%

Physicochemical Properties: white crystalline powder. Water loss at 100 ℃, brown at 300 ℃, and decomposition at 320-325 ℃. 1g can be dissolved in 130ml water, slightly soluble in ethanol and insoluble in ether. At pH 2, the maximum absorption wavelength is 276nm, the minimum absorption wavelength is 238nm, the absorbance ratio A250 / a260 = 0.48, A280 / a260 = 1.53, A290 / a260 = 0.78, which is irritating

Purpose: biochemical research.

Saving: RT