Product Description: Cefazolin impurity H is an impurity during the preparations of Cefazolin (HY-B1892) (an antibiotic) [1].
Formula: C11H12N6O4S
References: [1]Liu S, et al. Determination of Relative Response Factors of Cefazolin Impurities by Quantitative NMR. AAPS PharmSciTech. 2017 Aug;18(6):1895-1900.