Fluorescent labeling reagent for proteins. Used in the fluorescent antibody technique for rapid identification of pathogens.

CAS：27402-68-2
中文别名：硝基荧光素,异构体2;6-硝基荧光素;6-硝基荧光素(异构体II);6-硝基-3\',6\'-二羟基螺[异苯并呋喃-1(3H),9\'-(9H)氧杂蒽]-3-酮;
英文别名：9;3\',6\'-Dihydroxy-6-nitro-spiro[phthalan-1,9\'-xanthen]-3-on;3\',6\'-dihydroxy-6-nitro-spiro[phthalan-1,9\'-xanthen]-3-one;NITROFLUORESCEIN,ISOMER 2;3\',6\'-dihydroxy-6-nitrospiro[2-benzofuran-3,9\'-xanthene]-1-one;6-Nitro-3\',6\'-dihydroxyspiro[isobenzofuran-1(3H),9\'-(9H)xanthen]-3-one (isomer II);6-Nitrofluorescein (isomer II);6-NITRO-3\',6\'-DIHYDROXYSPIRO[ISOBENZOFURAN-1(3H),9\'-(9H)XANTHEN]-3-ONE;6-Nitrofluorescein (isoMer II);
分子式：C20H11NO7
分子量：377.304
精确质量：377.054
Psa：121.81
Logp：4.0972

密度：1.72g/cm3
沸点：703ºC at 760 mmHg
闪点：379ºC
折射率：1.807
蒸汽压：2.03E-20mmHg at 25°C

海关编码：2932999099