5(6)-Rhodamine Green NHS ester 

Rhodamine green, which is 5(6)-carbonylated rhodamine 110, is the precursor of Alexa fluor 488 (af488) before sulfonation. Rhodamine Green has excellent optical properties, good light stability, very bright fluorescence brightness, and is insensitive to pH between pH 4-9. The fluorescence spectrum of rhodamine green is very close to fluorescein, Oregon green and FITC, and the extinction coefficient is similar to the quantum yield, but it has much better photostability and pH stability, so it is a perfect substitute for them NHS activated ester (N-hydroxysuccinimide ester, successful ester, Se) is the most commonly used activated group in biomarker reaction. It activates the carboxyl group in the dye molecule so that it can react with the amine group (main primary amine) on the target biomolecule to form a stable amide bond.

msds of 5(6)-carbonylated rhodamine 110 NHS ester