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Key Documents

SML0842

Sigma-Aldrich

CRANAD 2

≥98% (HPLC)

Synonym(s):

(T-4)-[(1E,6E)-1,7-bis[4-(Dimethylamino)phenyl]-1,6-heptadiene-3,5-dionato-?O3,?O5]difluoroboron

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About This Item

Empirical Formula (Hill Notation):
C23H25BF2N2O2
CAS Number:
Molecular Weight:
410.26
UNSPSC Code:
12352200
NACRES:
NA.77

Pricing and availability is not currently available.

Quality Level

Assay

≥98% (HPLC)

form

powder

storage condition

desiccated

color

, dark blue to black

solubility

DMSO: 0.2 mg/mL, clear (warmed)

storage temp.

2-8°C

InChI

1S/C23H25BF2N2O2/c1-27(2)20-11-5-18(6-12-20)9-15-22-17-23(30-24(25,26)29-22)16-10-19-7-13-21(14-8-19)28(3)4/h5-17H,1-4H3/b15-9+,16-10+

InChI key

PVXQJYXODFZTBR-KAVGSWPWSA-N

Biochem/physiol Actions

CRANAD 2 is a near-infrared (NIR) Aβ plaque-specific fluorescent probe. CRANAD 2 penetrates the blood brain barrier and has a high affinity for Aβ aggregates with a Kd of 38 nM. Upon interacting with Aβ aggregates, CRANAD 2 exhibits a 70-fold increase in fluorescence intensity accompanied by a 90 nm blue shift from 805 to 715 nm and a large increase in quantum yield. CRANAD 2 has been used to detect Aβ deposits noninvasively in vivo in transgenic Tg2576 mice.

Pictograms

Exclamation mark

Signal Word

Warning

Hazard Statements

Hazard Classifications

Eye Irrit. 2 - Skin Irrit. 2

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable


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