Shanghai Nianxing Industrial Co., Ltd
China
Product Name: Fura-FF potassium salt
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192140-58-2

192140-58-2 structure

192140-58-2 structure

Name: Fura-FF pentapotassium
Chemical Name: Fura-FF (potassium salt)
CAS Number: 192140-58-2
Molecular Formula: C₂₈H₁₈F₂K₅N₃O₁₄
Molecular Weight: 853.9425264
Catalog: Research Areas Others
Create Date: 2021-04-29 18:57:00
Modify Date: 2025-09-18 10:11:01
Fura-FF pentapotassium is a low-affinity fluorescent dye for calcium (Ex/Em: 365/514 nm in the absence of calcium; 339/507 nm in the presence of a high calcium concentration)[1].

Name	Fura-FF (potassium salt)

Description	Fura-FF pentapotassium is a low-affinity fluorescent dye for calcium (Ex/Em: 365/514 nm in the absence of calcium; 339/507 nm in the presence of a high calcium concentration)[1].
Related Catalog	Research Areas >> Others Signaling Pathways >> Others >> Others
In Vitro	Guidelines[2] (Following is our recommended protocol. This protocol only provides a guideline, and should be modified according to your specific needs). Labeling of Human Sperm Cells: 1. Incubate the cells according to your normal protocol. 2. Load cells with 5 μM Fura-FF in 1 mL Hepes-buffered human sperm (H-HSM) medium at 36 ℃ for 40 min. 3. Wash the sample by centrifugation and scatter cells in disposable centrifuge tubes at 1 ◊ 107 cells in 3 mL of H-HSM and maintained at 36 ℃. 4. Immediately measure fluorescence recordings.
References	[1]. Ruggiu AA, et al. Fura-2FF-based calcium indicator for protein labeling. Org Biomol Chem. 2010 Aug 7;8(15):3398-401. [2]. Neri-Vidaurri Pdel C, et al. A remarkable increase in the pHi sensitivity of voltage-dependent calcium channels occurs in human sperm incubated in capacitating conditions. Biochem Biophys Res Commun. 2006 Apr 28;343(1):105-9.

Melting Point	>250℃
Molecular Formula	C₂₈H₁₈F₂K₅N₃O₁₄
Molecular Weight	853.9425264
Storage condition	−20°C
Water Solubility	H2O: soluble

Safety Phrases	22-24/25
WGK Germany	3

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