Compound Q&A
What is Aciclovir (Acyclovir) EP Impurity B (CAS: 73-40-5)?
Answer
Aciclovir (Acyclovir) EP Impurity B, with the CAS number 73-40-5, is a chemical compound that serves as an impurity in the production of valaciclovir, an antiviral drug used to treat herpes infections. It is a white crystalline powder with a molecular formula of C8H12N2O3 and is known for its solubility in water and organic solvents. This compound is often analyzed during quality control processes to ensure the purity of the final pharmaceutical product.
About
CAS No
73-40-5
English Name
Aciclovir (Acyclovir) EP Impurity B (Valaciclovir EP Impurity B)
Molecular Formula
C5H5N5O
Molecular Weight
151.129 g/mol
SMILES
Nc1nc2[nH]cnc2c(=O)[nH]1
InChIKey
UYTPUPDQBNUYGX-UHFFFAOYSA-N
Last Updated: 2025-08-25 01:07
