Product Description: 5-Br-PAPS is a highly specific Zn2+ metallochromic indicator. 5-Br-PAPS is used in assays for measuring free Zn2+ by forming a deeply colored red Zn2+ complex[1].
Formula: C17H21BrN4O4S
References: [1]Szobi A, et al. Vivid COVID-19 LAMP is an ultrasensitive, quadruplexed test using LNA-modified primers and a zinc ion and 5-Br-PAPS colorimetric detection system. Commun Biol. 2023 Mar 2;6(1):233.