6-Carboxyfluorescein (6-FAM) is a fluorescent dye with an absorption wavelength of 495nm and an emission wavelength of 517nm. A carboxyfluorescein molecule is a fluorescein molecule with a carboxyl group added. They are commonly used as a tracer agents. It is used in the sequencing of nucleic acids and in the labelling nucleotides.

CAS：3301-79-9
中文别名：
英文别名：6-FAM,6-CF;6-Carboxyfluorescein;Carboxyfluorescein;6-FAM;6-FAM FLUOS;6-FAM,FLUOS;6-FAM Hydrate;6-carboxy-fluorescein;
分子式：C21H12O7
分子量：376.316
精确质量：376.058
Psa：113.29
Logp：3.364

MDL号：MFCD00036873

外观与性状：橙色固体
密度：1.73 g/cm3
沸点：736.4ºC at 760 mmHg
熔点：>300°C(lit.)
闪点：271ºC
折射率：1.816
储存条件：2-8ºC

安全说明：S26-S36/37
WGK Germany：3
危险类别码：R36/37/38
海关编码：2915900090
危险品标志：Xi