Valganciclovir Impurity-B

Valganciclovir Impurity-B (CAS No. 73-40-5, Molecular Formula: C₅H₅N₅O, Molecular Weight: 151.13 g/mol) is a high-quality pharmaceutical reference standard widely used in analytical research, method development, and regulatory compliance studies. Identified by chemical name 2-Amino-1,7-dihydro-6H-purin-6-one. Recognized as Valganciclovir related compound B, it is essential for Valganciclovir Impurity-B impurity profiling, enabling accurate detection, quantification, and characterization of process-related and degradation impurities in APIs and drug products. Laboratories and pharmaceutical manufacturers seeking to Buy Valganciclovir Impurity-B rely on this standard for reliable Valganciclovir impurity identification and quality monitoring. Serving as a trusted Valganciclovir Impurity-B quality control standard, it is used in HPLC, LC-MS/MS, and NMR-based analysis for precise impurity separation, mass confirmation, and structural elucidation. Aligned with USP and EP requirements, it supports regulatory compliance with USFDA, EMA, and ICH guidelines and is supplied with COA, MSDS/SDS, and GMP/GDP traceability. As a leading Pharmaceutical impurity standards manufacturer, we deliver premium-quality standards for pharmaceutical development and quality control worldwide.