A fluorescent probe for neurofibrillary tangles
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Neurofibrillary Tangle BODIPY (600/710 nm)

Item No. 40243

Technical Information
Formal Name
(T-4)-[4-[(1E)-2-[1,8-dihydro-8-(2H-pyrrol-2-ylidene-κN)cyclohepta[b]pyrrol-6-yl-κN]ethenyl]-N,N-dimethylbenzenaminato]difluoro-boron
CAS Number
2301931-35-9
Synonyms
  • NFT BODIPY (600/710 nm)
  • TNIR7-1A
Molecular Formula
C23H20BF2N3
Formula Weight
Purity
≥95%
Emission
710-774 nm
Excitation
570-600 nm
A 1 mg/ml solution in methyl acetate
Chloroform: SolubleMethanol: Soluble
SMILES
[F][B-]1([F])[N+]2=CC=CC2=C(C=C(/C=C/C3=CC=C(N(C)C)C=C3)C=C4)C5=C4C=C[N]51
InChi Code
InChI=1S/C23H20BF2N3/c1-27(2)20-11-8-17(9-12-20)5-6-18-7-10-19-13-15-29-23(19)21(16-18)22-4-3-14-28(22)24(29,25)26/h3-16H,1-2H3/b6-5+
InChi Key
BXVHPMTVFSTTLF-AATRIKPKSA-N
Shipping & Storage Information
Storage
-20°C
Shipping
Wet ice in continental US; may vary elsewhere
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    Product Description

    Neurofibrillary tangle BODIPY (600/710 nm) is a fluorescent probe for neurofibrillary tangles (NFTs).1 It binds to tau-K18 aggregates in a cell-free assay (Kd = 16.8 nM) and is 2.17-fold selective for tau-K18 aggregates over amyloid-β (1-42) (Aβ42) aggregates. NFT BODIPY (600/710 nm) has been used to label NFTs in postmortem hippocampus from patients with Alzheimer’s disease. It has been used to identify tauopathy in vivo and ex vivo in transgenic human tauP301L-expressing mice with a lower signal occurring in the brain of wild-type mice. NFT BODIPY (600/710 nm) displays excitation maxima ranging from 570 to 600 nm and emission maxima ranging from 710 to 774 nm in the solvents methylene chloride, THF, methanol, DMSO, and PBS.

    WARNING This product is not for human or veterinary use.

    References & Product Citations
    Product Description References

    1. Xie, T., Li, Y., Tian, C., et alFused cycloheptatriene-BODIPY is a high-performance near-infrared probe to image tau tangles. J. Med. Chem. 65(21), 14527-14538 (2022).