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Fura 2 pentapotassium salt

SIGMA/17195 - for fluorescence, ≥90% (HPLC)

CAS Number: 113694-64-7
Empirical Formula (Hill Notation): C29H22K5N3O14
Molecular Weight: 831.99
MDL Number: MFCD00083328
Linear Formula: C29H22K5N3O14
Product Type: Chemical
Catalog Number PKG Qty. Price Quantity
45-17195-1MG 1 mg
 $225.00
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assay ≥90% (HPLC)
fluorescence λex 355 nm; λem 495 nm in 0.1 M Tris pH 8.0, Ca2+
form solid
grade for fluorescence
InChI 1S/C29H27N3O14.5K/c1-15-2-3-17(31(11-24(33)34)12-25(35)36)20(6-15)43-4-5-44-21-7-16-8-22(28-30-10-23(46-28)29(41)42)45-19(16)9-18(21)32(13-26(37)38)14-27(39)40;;;;;/h2-3,6-10H,4-5,11-14H2,1H3,(H,33,34)(H,35,36)(H,37,38)(H,39,40)(H,41,42);;;;;/q;5*+1/p-5
InChI key HQKWBBCTCLUGSX-UHFFFAOYSA-I
Quality Level 100 
SMILES string [K+].[K+].[K+].[K+].[K+].Cc1ccc(N(CC([O-])=O)CC([O-])=O)c(OCCOc2cc3cc(oc3cc2N(CC([O-])=O)CC([O-])=O)-c4ncc(o4)C([O-])=O)c1
solubility H2O: soluble
storage temp. −20°C
Other Notes: A very sensitive fluorescent calcium chelator that exhibits a spectral shift in excitation maxima on binding calcium
RIDADR NONH for all modes of transport
WGK Germany WGK 3
Flash Point(F) Not applicable
Flash Point(C) Not applicable
Purity ≥90% (HPLC)
Storage Temp. −20°C
UNSPSC 12352200

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