Guanine HCL


guanine hydrochloride; 2-amino-6-hydroxypurine hydrochloride

Technical Data

CAS Number: 635-39-2
Molecular Formula: C5H5N5O · HCl
Molecular Weight: 187.59
Beilstein Registry Number: 4159901
EC Number: 211-235-5

FabriChem Specifications

Appearance White to yellowish Crystalline Powder
Color of Solution Not more intensely colored than reference solution Y5
Loss on Drying ≤ 1%
Single Impurity ≤ 0.5%
Ash ≤ 0.2%
Heavy Metals ≤ 10 ppm
Arsenic ≤ 2 ppm
Nitrogen ≥ 35.6%
Assay≥ 98.0%

Molecular Structure



Guanine is one of the four main nucleobases found in the nucleic acids DNA and RNA, the others being adenine, cytosine, and thymine (uracil in RNA). In DNA, guanine is paired with cytosine. Guanine is a nucleobase used for biochemical research, and in organic synthesis.