Catalog ID: 6551 UNIT SIZE: 1 g


N-(Iodoacetaminoethyl)-1-naphthylamine-5-sulfonic acid

1-4 ($242.00/Unit) 5-24 ($236.00/Unit) 25-49 ($217.00/Unit)


Thiol-Reactive Fluorescent probe that reacts with both sulfhydryl groups and thiol compounds to provide photo stable covalent derivatives. A fluorescent sulfhydryl reagent that is sensitive to photo catalyzed degradation in both organic solvents and aqueous solution.


Safety Data Sheet
SDS: SDS 6551 8163.pdf
Certificate of Analysis
Lot Number: 50688
Lot Number: 50435
Lot Number: 51803
Product Manuals
No Documents Available


No Images Available

Product Information

Product Size 1 g
Form Solid
Absorption (estimated) Wavelength (λmax) 337 ± 3 nm
Fluorescence (estimated) Emission Maximum: 489 ± 4 nm
Storage conditions Freeze: Store at -5 to -30°C (F)
Protect from moisture (D)
Protect from light (L)
Shipping conditions Room temperature


Storage Condition

Store -5 to -30oC (F)

Protect from Moisture (D)

Protect from Light (L)


  • • 5-[2-(Iodoacetamido)ethylamino]naphthalene-1-sulfonic acid


    • Hudson-Weber-Reagent 

    • 5-((((2-Iodoacetyl)amino)ethyl)amino)naphthalene-1-sulfonic acid

• Sites on calmodulin that interact with the C-terminal tail of Cav1.2 channel." Xiong L, Kleerekoper QK, He R, Putkey JA, Hamilton SL. J Biol Chem 280, 7070-9 (2005)

• Elucidation of eukaryotic elongation factor-2 contact sites within the catalytic domain of Pseudomonas aeruginosa exotoxin A." Yates SP, Merrill AR. Biochem J 379, 563-72 (2004)

• Rapid collapse precedes the fast two-state folding of the cold shock protein." Magg C, Schmid FX. J Mol Biol 335, 1309-23 (2004)

• Using deeply trapped intermediates to map the cytochrome c folding landscape." Tezcan FA, Findley WM, Crane BR, Ross SA, Lyubovitsky JG, Gray HB, Winkler JR. Proc Natl Acad Sci U S A 99, 8626-8630 (2002)

• E.N. Hudson, G. Weber Biochemistry 12, 4154, (1973)



For Research Use Only. Not for any animal or human therapeutic

or diagnostic use

No Animal source

Regulatory Compliance


1,5-IAEDANS  [N-(Iodoacetaminoethyl)-1-naphthylamine-5-sulfonic acid]

OSHA Hazard

No Known OSHA Hazards

HMIS Classification

Health: 1

Flammability: 0

Physical Hazard: 0

NFPA Rating

Health: 1

Fire:  0

Reactivity: 0

TSCA Status

Not On TSCA Inventory

Transportation Information




Not Dangerous Good

Not Dangerous Good

Not Dangerous Good