Home to select different Category

Product 6631

Back to Products
In Stock

Catalog ID 6631 / 25 mg

SAMSA Fluorescein *Mixed isomers*

AKA: 5-((2-(or-3)-S-(Acetylmercapto)succinoyl)amino)fluorescein
Formula Weight CAS#
C26H19NO9S 521.50 N/A
For 25+ Units, Contact us.

SAMSA fluorescein is a fluorescent probe that SH group is protected as acetyl protecting group and it can be deprotected with base to generate Thiol-containing fluorescein which then can be conjugated to protein and for assaying maleimide and iodoacetamide moieties on proteins.

Product Size 25 mg
Form orange
Absorption (estimated) Wavelength (λmax) 493 ± 3 nm (Buffer pH 10)
Fluorescence (estimated) Wavelength (λmax) 518 ± 4 nm (*Buffer pH 10)
Storage conditions Freeze: Store at -5 to -30°C (F) Protect from moisture (D) Protect from light (L)
MDL#

* 5-((2-(or-3)-S-(Acetylmercapto)succinoyl)amino)fluorescein
* 5-((2-(or-3)-S-(acetylmercapto)succinoyl)amino)fluorescein

Fluorescent Probes and Related Products:   Fluorescein, Naphthofluorescein and seminaphthofluorescein
Reactive Probes and Related Products:   Probes for detecting Haloacetamide and Maleimide, etc.

Safety Data Sheet
SDS-PDF
Certificates of Analysis
Lot 50967 21-Sep-2016
Lot 50309 03-Feb-2015

Related Products

Catalog ID 7656 / 500 ug

Fluo-4FF, Pentapotassium Salt *Cell Impermeant*

  • Mol. Formula
  • Mol. Weight
    949.04
  • 1-4 Units
    /Unit
  • 5-24 Units
    ¤ 172/Unit

Catalog ID 7325 / 1 mg

PhenanGreen FL, Diacetate

  • Mol. Formula
  • Mol. Weight
    668.67
  • 1-4 Units
    /Unit
  • 5-24 Units
    ¤ 118/Unit

Catalog ID 7508 / 10 mg

5-FAM Alkyne *Single Isomer* *Click Chemistry*

AKA: 5-Carboxyfluorescein, Propargylamide
  • Mol. Formula
  • Mol. Weight
    413.38
  • 1-4 Units
    /Unit
  • 5-24 Units
    ¤ 133/Unit

Catalog ID 9134 / 1 g

DCFDA

AKA: 2',7'-Dichlorofluorescein diacetate
  • Mol. Formula
  • Mol. Weight
    485.27
  • 1-4 Units
    /Unit
  • 5-24 Units
    ¤ 82/Unit