Compound Q&A

What are the main uses of Aciclovir (Acyclovir) EP Impurity B (CAS: 73-40-5)?

Answer

Aciclovir (Acyclovir) EP Impurity B (Valaciclovir EP Impurity B)
Aciclovir (Acyclovir) EP Impurity B is primarily used in the pharmaceutical industry as an impurity marker during the production and quality control of valaciclovir. It helps in identifying and quantifying impurities that may arise during synthesis, ensuring the safety and efficacy of the final drug. Additionally, it is used in research for studying the purity and stability of antiviral compounds.

About

CAS No 73-40-5
English Name Aciclovir (Acyclovir) EP Impurity B (Valaciclovir EP Impurity B)
Molecular Formula C5H5N5O
Molecular Weight 151.13 g/mol
SMILES Nc1nc2[nH]cnc2c(=O)[nH]1
InChIKey UYTPUPDQBNUYGX-UHFFFAOYSA-N
Last Updated: 2025-08-25 01:07

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