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Description: 4(5)-Carboxyfluorescein. Grade: 99. Melting Point Cca 300*. Boiling Point C: NA. C21H12O7. 72088-94-9.
Catalog Number: AAAL13439-MD
Supplier: Thermo Scientific Chemicals

Description: 5(6)-Carboxyfluorescein
Catalog Number: TS40410-0050
Supplier: THERMO FISHER SCIENTIFIC CHEMICALS


Description: Carboxyfluorescein (commonly called FAM) and its amine-reactive succinimidyl esters are favored over FITC in bioconjugations.
Catalog Number: 76480-546
Supplier: AAT BIOQUEST INC

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Description: 3',6'-Dihydroxy-3-oxospiro[isobenzofuran-1(3H),9'-[9H]xanthene]-ar-carboxylic acid, Purity: 98% +(isomer mixture), CAS Number: 72088-94-9, Appearance: Form: powder, Storage: Keep in dark place, Inert atmosphere, Room temperature, Size: 1g
Catalog Number: 77265-776
Supplier: AMBEED, INC


Description: 5-(and-6)-FAM (full name: 5-(and-6)-Carboxyfluorescein mixed isomer) has a pKa of 6.5 and can be used as a pH indicator. Its excitation spectrum and fluorescence response to pH are similar to those of BCECF. Carboxyfluorescein can also be used as a tracer dye. The dye is membrane-impermeant and can be loaded into cells by microinjection or scrape loading.
Catalog Number: 89139-248
Supplier: Biotium


Description: Carboxyfluorescein is commonly employed as a polar tracer and used for intracellular pH measurements. It has also been used for studying viability of various types of bacteria.
Catalog Number: 102987-624
Supplier: Adipogen


Description: Although FITC reagents have been more often used to prepare fluoresceinated bioconjugates, the low stability of FITC bioconjugates makes some researchers use amine-reactive succinimidyl esters of carboxyfluorescein (commonly called FAM) in bioconjugations. FAM reagents give carboxamides that are more resistant to hydrolysis. We have shown that FAM reagents require less stringent reaction conditions and give better conjugation yields, and the resulted conjugates have superior stability. We noted that FITC labeled peptides tend to deteriorate more quickly than the corresponding FAM conjugates.
Catalog Number: 103010-748
Supplier: Anaspec Inc


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