Qualitative Reference Cultures for USP 51 and 61/62
NSI USP 51 & 61/62 Qualitative Reference Cultures
We provide high-quality qualitative reference cultures for USP 51 and USP 61/62, ensuring reliability in microbial testing. Manufactured from USP-specified pure organism strains, these cultures adhere to stringent media and procedural standards. Each culture is no more than two passages from the primary reference, ensuring authenticity and consistency.
Certified for quantitative applications, our cultures offer analytically verified activity levels and are available in multiple CFU/pellet ranges for tailored use. User-friendly with up to eight-hour stability once hydrated, these economical kits — comprising 10 vacuum-sealed, lyophilized microgel flash pellets — support efficient and dependable laboratory workflows.