5(6)-羧基萘基荧光素, 5(6)-Carboxynaphthofluorescein 是一种 pH 依赖性荧光基团,可发出红色荧光(EX598/EM668 nm,pH 9)和 pKa (7.6)。 在中性或酸性 pH 值条件下下,荧光会转移到更短的波长 (EX512/EM567 nm)。
中文别名 | 5(6)-羧基萘基荧光素,5(6)-羧基萘基荧光素, 混合物 |
英文别名 | 5(6)-Carboxynaphthofluorescein;5(6)-Carboxynaphthofluorescein (CNF) ;5(6)-Carboxynaphthofluorescein, mixed isomers;3',11'-Dihydroxy-3-oxo-3H-spiro[2-benzofuran-1,7'-dibenzo[c,h]xanthene]-5-carboxylic acid - 3',11'-dihydroxy-3-oxo-3H-spiro[2-benzofuran-1,7'-dibenzo[c,h]xanthene]-6-carboxylic acid (1:1) |
CAS号 | 128724-35-6 |
SMILES | c1cc2c(c3c1cc(cc3)O)Oc4c5ccc(cc5ccc4C26c7ccc(cc7C(=O)O6)C(=O)O)O.c1cc2c(c3c1cc(cc3)O)Oc4c5ccc(cc5ccc4C26c7cc(ccc7C(=O)O6)C(=O)O)O |
Inchi | InChI=1S/2C29H16O7/c30-17-4-6-19-14(11-17)1-9-23-25(19)35-26-20-7-5-18(31)12-15(20)2-10-24(26)29(23)22-8-3-16(27(32)33)13-21(22)28(34)36-29;30-17-4-7-19-14(11-17)2-9-22-25(19)35-26-20-8-5-18(31)12-15(20)3-10-23(26)29(22)24-13-16(27(32)33)1-6-21(24)28(34)36-29/h2*1-13,30-31H,(H,32,33) |
InchiKey | ANUHNEJUELPITC-UHFFFAOYSA-N |
分子式 Formula | C29H16O7 |
分子量 Molecular Weight | 476 |
熔点 Melting point | N/A℃ |
性状 | Solid,power |
储藏条件 Storage conditions | storage at -4℃ (1-2weeks), longer storage period at -20℃ (1-2years) |