PharmaSpecialty Chemicals
Guanine
CAS: 73-40-5
CoA Available
A purine nucleobase used in the synthesis of antiviral medications. Also used in cosmetics for its pearlescent properties.
Molecular Structure
Technical Specifications
Detailed specifications for Guanine
| Description | White to off white powder |
| Solubility | Soluble in dilute alkali hydroxide solution |
| Identification by HPLC | The retention time of major peak in the chromatogram of the sample preparation corresponds to that in the chromatogram of the standard preparation, as obtained in Assay |
| Chromatographic Purity, (%area normalization, by HPLC) - Purity | NLT 99.0% |
| Chromatographic Purity, (%area normalization, by HPLC) - 4-hydroxy-2,5,6-triaaminopyrimidine sulphate | NMT 0.2% |
| Chromatographic Purity, (%area normalization, by HPLC) - Any other Individual impurity | NMT 0.2% |
| Chromatographic Purity, (%area normalization, by HPLC) - Total Impurity | NMT 1.0% |
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