Abcam, ab275543, 5(6)-Carboxynaphthofluorescein

Size: 1mg
MW 952.9 Da, Purity >90%. pH-dependent fluorophore (pKa=7.6) with red fluorescence at pH 9 (Ex/Em: 598/668 nm), fluorescence shifs to shorter wavelengths (Ex/Em: 512/567nm) at neutral or acidic pH environments.
Key facts
CAS number:128724-35-6,
Purity:>90%,
Form:SolidSee storage information,
Molecular weight:952.9 Da,
Molecular formula:C58H32O14,
PubChem:71312255,
Nature:Synthetic,
Biochemical name:5(6)-Carboxynaphthofluorescein, BioReagent, suitable for fluorescence, >=90% (TLC),
Biological description:pH-dependent fluorophore (pKa=7.6) with red fluorescence at pH 9 (Ex/Em: 598/668 nm), fluorescence shifs to shorter wavelengths (Ex/Em: 512/567nm) at neutral or acidic pH environments.,
Canonical smiles:C1=CC2=C(C=C1C(=O)O)C3(C4=C(C5=C(C=C4)C=C(C=C5)O)OC6=C3C=CC7=C6C=CC(=C7)O)OC2=O.C1=CC2=C(C=C1C(=O)O)C(=O)OC23C4=C(C5=C(C=C4)C=C(C=C5)O)OC6=C3C=CC7=C6C=CC(=C7)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,
IUPAC Name:7',19'-dihydroxy-1-oxospiro[2-benzofuran-3,13'-2-oxapentacyclo[12.8.0.03,12.04,9.017,22]docosa-1(14),3(12),4(9),5,7,10,15,17(22),18,20-decaene]-5-carboxylic acid;7',19'-dihydroxy-3-oxospiro[2-benzofuran-1,13'-2-oxapentacyclo[12.8.0.03,12.04,9.017,22]docosa-1(14),3(12),4(9),5,7,10,15,17(22),18,20-decaene]-5-carboxylic acid,
Excitation/Emission:Ex: 598nm, Em: 668nm

Properties and Storage Information:
Shipped at conditions-Blue Ice, Appropriate short-term storage conditions-+4°C, Appropriate long-term storage conditions-+4°C, Storage information-Store under desiccating conditions