Guanine - API Standards

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Catalogue number:	PA 07 0870000
Chemical name:	Guanine
CAS Number:	73-40-5
Similar Products:	635-39-2(HCl Salt);10333-92-3(Sulphate Salt)
Category:	Fine Chemicals,pharmaceutical standards,metabolites,impurities,intermediates
Synonyms:	Valganciclovir Hydrochloride Impurity B (EP/BP); 2-Amino-6,7-Dihydro-3H-purin-6-one; 2-amino-3,7-dihydro-6H-purin-6-one; Acyclovir Guanine (USP);
Molecular form:	C₅H₅N₅O
Appearance:	White to Off-White Solid
Mol. Weight:	151.13
Storage:	2-8°C Refrigerator
Shipping Conditions:	Ambient
Applications:	Guanine is one of the five nucleobases incorporated into biological nucleic acids. Guanine, along with adenine and cytosine, is present in both DNA and RNA, whereas thymine is usually seen only in DNA, and uracil only in RNA.