R6G (rhodamine 6G) is a yellow emitting xanthene dye. It has been used for DNA sequencing before. Now this dye is often used for qPCR. This is a pure 5-isomer of R6G with azide group.

General properties
Appearance: | orange to brown powder |
Molecular weight: | 540.61 |
Molecular formula: | C30H32N6O4 |
Solubility: | good in DMF, DMSO, alcohols |
Quality control: | NMR 1H, HPLC-MS (95%) |
Storage conditions: | Storage: 24 months after receival at -20°C in the dark. Transportation: at room temperature for up to 3 weeks. Avoid prolonged exposure to light. Desiccate. |