LGC Biosearch Technologies is a ISO 9001:2008 certified company, located in northern California. Founded in 1993, Biosearch is a leader in the design, development and manufacture of sophisticated oligonucleotide-based tools. Products include fluorophores (CAL Fluor®, Quasar® and Pulsar® dyes) and dark quenchers (Black Hole Quencher® dyes) to be included in custom-synthesized probe formats for real-time, quantitative PCR, Stellaris® RNA FISH, and other genomic-based applications.