| Name: | Acyclovir EP Impurity B |
| Catalogue No. | VL13014 |
| CAS No. | 73-40-5 |
| Molecular Formula | C5H5N5O |
| Molecular Weight | 151.13 |
| Status | In-stock |
| IUPAC Name | 2-amino-1H-purin-6(9H)-one |
| Synonyms | Guanine / Valaciclovir EP Impurity A/ Valaciclovir Related Compound A/ Ganciclovir EP Impurity F/ Valganciclovir Related Compound B |
| Appearance | Off white powder |
| Description | Acyclovir EP Impurity B (CAS No: 73-40-5) or Valaciclovir EP Impurity A/ Valaciclovir Related Compound A/ Ganciclovir EP Impurity F/ Valganciclovir Related Compound B chemically known as Guanine is an impurity of Acyclovir that is a synthetic purine nucleoside analog consisting of in vitro and in vivo inhibitory activity upon herpes simplex virus and varicella-zoster virus. |
| References | Huidobro, A. L., et al. “LC Methods for Acyclovir and Related Impurities Determination.” Journal of Pharmaceutical and Biomedical Analysis, vol. 37, no. 4, Apr. 2005, pp. 687–94, https://doi.org/10.1016/j.jpba.2004.11.039. |
