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FURA 2 PENTAPOTASSIUM SALT

Product Name
FURA 2 PENTAPOTASSIUM SALT
CAS No.
113694-64-7
Chemical Name
FURA 2 PENTAPOTASSIUM SALT
Synonyms
fura-2 dye;fura 2 pentapotassium;Fura-2 (potassium salt);Fura? pentapotassium salt;FURA 2 PENTAPOTASSIUM SALT;FURA-2,pentapotassiumsalt/CH85402;FURA-2 PENTAPOTASSIUM SALT, FOR FLUOR-;Fura-2 K+ salt, fluorescent Ca2+ binding dye;Fura-2, pentapotassium salt *CAS 113694-64-7*;1-[2-(5-CARBOXYOXAZOL-2-YL)-6-AMINOBENZOFURAN-5-OXY]-2-(2'-AMINO-5'-METHYL-PHENOXY)ETHANE-N,N,N',N'-TETRAACETIC ACID PENTAPOTASSIUM SALT
CBNumber
CB5104714
Molecular Formula
C29H22K5N3O14
Formula Weight
831.99
MOL File
113694-64-7.mol
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FURA 2 PENTAPOTASSIUM SALT Property

Melting point:
>250℃
storage temp. 
−20°C
solubility 
H2O: soluble
form 
Solid
color 
Yellow
Appearance
Solid Powder
Water Solubility 
H2O: soluble
λmax
363nm; 335nm
Stability:
Hygroscopic
Biological Applications
Calcium indicator; zinc indicator; identifying taste modulators; measuring membrane potential; treating epilepsy; neurological disorders
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Safety

WGK Germany 
3
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Hazard and Precautionary Statements (GHS)

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N-Bromosuccinimide Price

Sigma-Aldrich
Product number
F0763
Product name
Fura 2 pentapotassium salt
Purity
≥80%
Packaging
1mg
Price
$306
Updated
2025/07/31
Sigma-Aldrich
Product number
17195
Product name
Fura 2 pentapotassium salt
Purity
for fluorescence, ≥90% (HPLC)
Packaging
1mg
Price
$233
Updated
2025/07/31
Cayman Chemical
Product number
19531
Product name
Fura-2 (potassium salt)
Purity
≥95%
Packaging
500μg
Price
$57
Updated
2024/03/01
Cayman Chemical
Product number
19531
Product name
Fura-2 (potassium salt)
Purity
≥95%
Packaging
1mg
Price
$101
Updated
2024/03/01
Cayman Chemical
Product number
19531
Product name
Fura-2 (potassium salt)
Purity
≥95%
Packaging
5mg
Price
$366
Updated
2024/03/01
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FURA 2 PENTAPOTASSIUM SALT Chemical Properties,Usage,Production

Description

Fura-2 is a ratiometric fluorescent calcium indicator that can be used to detect calcium in cells. It is a pentacarboxylate that displays excitation maxima of 340 and 380 nm at high and low calcium concentrations, respectively, when the emission is fixed at 510 nm, enabling determination of ratiometric measurements of calcium influx in live cells.

Uses

A very sensitive fluorescent calcium chelator that exhibits a spectral shift in excitation maxima on binding calcium. Fura-2 has become the dye of choice for ratio-imaging microscopy, in which it is more practical to change excitation wavelengths than emi

Uses

FURA-2 Pentapotassium Salt (Technical Grade) is a cell impermeable fluorescent probe for magnesium.

storage

-20°C

References

[1] S K KONG  C Y L. The use of fura 2 for measurement of free calcium concentration[J]. Biochemistry and Molecular Biology Education, 1995, 23 2: 97-98. DOI: 10.1016/0307-4412(95)00003-l

Excitation / Emission Maximum

340-380 nm/510 nm

FURA 2 PENTAPOTASSIUM SALT Preparation Products And Raw materials

Raw materials

Preparation Products

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113694-64-7, FURA 2 PENTAPOTASSIUM SALTRelated Search:

FLUO 3 INDO 1 PENTAPOTASSIUM SALT BAPTA N-Phenylglycine potassium salt 5-OXAZOLECARBOXALDEHYDE 1-BENZOFURAN-5-AMINE OXAZOLE-5-CARBOXYLIC ACID 2-METHYL-OXAZOLE-5-CARBALDEHYDE 5-ISOXAZOLEMETHANOL Ethylene glycol diphenyl ether 1,2-BIS(2-AMINOPHENOXY)ETHANE-N,N,N',N'-TETRAACETIC ACID TETRAPOTASSIUM SALT 2-2-(2-Aminophenoxy)ethoxyaniline 1-BENZOFURAN-6-OL N,N-DIMETHYLGLYCINE, POTASSIUM SALT P-TOLYLAMINO-ACETIC ACID 2-(2-phenoxyethoxy)phenylamine 6-METHOXY-2-METHYLBENZOFURAN FURA 2 PENTAPOTASSIUM SALT

  • FURA 2 PENTAPOTASSIUM SALT
  • 1-[2-(5-CARBOXYOXAZOL-2-YL)-6-AMINOBENZOFURAN-5-OXY]-2-(2'-AMINO-5'-METHYL-PHENOXY)ETHANE-N,N,N',N'-TETRAACETIC ACID PENTAPOTASSIUM SALT
  • fura 2 pentapotassium
  • Fura? pentapotassium salt
  • FURA-2 PENTAPOTASSIUM SALT, FOR FLUOR-
  • FURA-2,pentapotassiumsalt/CH85402
  • 2-[6-[Bis(carboxymethyl)amino]-5-[2-[2-[bis(carboxymethyl)amino]-5-methylphenoxy]ethoxy]-2-benzofuranyl]-5-oxazolecarboxylic acid pentapotassium salt
  • Fura-2 (potassium salt)
  • fura-2 dye
  • 5-oxazolecarboxylic Acid, 2-[6-[bis(carboxymethyl)amino]-5-[2-[2-[bis(carboxymethyl)amino]5-methylphenoxy]ethoxy]-2-benzofuranyl]-, Pentapotassium Salt
  • Fura-2, pentapotassium salt *CAS 113694-64-7*
  • Potassium 2,2'-((2-(2-((6-(bis(carboxylatomethyl)amino)-2-(5-carboxylatooxazol-2-yl)benzofuran-5-yl)oxy)ethoxy)-4-methylphenyl)azanediyl)diacetate
  • Fura-2 K+ salt, fluorescent Ca2+ binding dye
  • 113694-64-7
  • C29H27N3O14K5
  • C29H22N3O145K
  • C29H22N3O14K5
  • C28H22K5N3O14
  • C29H22K5N3O14
  • Fluorescent Labels & Indicators
  • Benzofuran
  • Fluorescent Labels and Indicators