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 6920 / 25 mg

5-CFDA, SE *Cell permeant* *Single isomer*

AKA: 5-Carboxyfluorescein diacetate succinimidyl ester
  • Mol. Formula
  • Mol. Weight
    557.46
  • 1-4 Units
    /Unit
  • 5-24 Units
    ¤ 247/Unit

Catalog ID 6965 / 100 mg

CNF *Mixed Isomers*

AKA: 5(6)-Carboxynaphthofluorescein
  • Mol. Formula
  • Mol. Weight
    476.44
  • 1-4 Units
    /Unit
  • 5-24 Units
    ¤ 101/Unit

Catalog ID 7021 / 10 mg

5-FAM, SE *Single Isomer*

AKA: 5-Carboxyfluorescein succinimidyl ester
  • Mol. Formula
  • Mol. Weight
    473.39
  • 1-4 Units
    /Unit
  • 5-24 Units
    ¤ 110/Unit

Catalog ID 7543 / 20 X 50 ug

CM-H2DCFDA [General Oxidative Stress Indicator]

AKA: 5-(6)-Chloromethyl-2',7'-dichlorodihydrofluorescein diacetate, acetyl ester
  • Mol. Formula
  • Mol. Weight
    577.80
  • 1-4 Units
    /Unit
  • 5-24 Units
    ¤ 218/Unit