Fluorogenic substrate for furin/SPC1/PACE/PCSK3 and other subtilisin/kexin-like proprotein convertases such as Kex2, SPC2/PC2/PCSK2, SPC3/PCSK1, PACE4/SPC4/PCSK6, SPC5/PC4/PCSK4, SPC6/PC5/PC6/PCSK5, and SPC7/LPC/PC7/PC8/PCSK7. Can be used on live cells. Ex: 360-380 nm, Em: 440-460 nm. Alternative name: Boc-RVRR-AMC, Boc-Arg-Val-Arg-Arg-AMC. Formula: C38H62N14O8. MW: 843.0. Purity: ≥95% (HPLC; TLC). Appearance: White to off-white powder. Solubility: Soluble in water (10mg/ml) or DMSO. Long Term Storage: -20°C. Handling: Protect from light.