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Catalog ID 7076 / 10 mL

    Other Unit Sizes:    7075 / 100 mg    7091 / 100 mg   

Hoechst 33258, Pentahydrate [bis-Benzimide] *10 mg/mL Solution in Water*

AKA: Hoechst 33258 trihydrochloride, pentahydrate
Formula Weight CAS#
C25H37Cl3N6O 623.96 23491-45-4
For 25+ Units, Contact us.

The Hoechst 33258, 33342 and 34580 are cell permeant minor groove –binding DNA stains that are excited by UV light and fluoresce bright blue upon binding to DNA. Hoechst dyes exhibit relatively large Stock shifts (Excitation/Emission maxima ~350/460) making them suitable for multicolor labeling experiments. They are used in many cellular applications, including Cell-Cycle, apoptosis studies and they are common nuclear counterstains. We also offer other Hoechst dyes, special packaging and Extra Pure.

Product Size 10 mL
Form Yellow-green solid
Absorption (estimated) Wavelength (λmax) 357 ± 3 nm (0.2M HCl/MeOH)
Fluorescence (estimated) Wavelength (λmax) 536 ± 4 nm (*0.2M HCl/MeOH)
Storage conditions Refrigerate: Store at 4-8°C (Ref)
MDL#

* Hoechst 33258 trihydrochloride, pentahydrate
* Bis-benzimide H 33258
* Phenol, 4-[5-(4-methyl-1-piperazinyl)[2,5'-bi-1H-benzimidazol] -2'-yl]-, trihydrochloride

Cell stains / Cellular Structure Probes:   DNA/RNA Cell Stains
Fluorescent Probes and Related Products:   Hoechst
Label or Dye:   Hoechst

Safety Data Sheet
SDS-PDF

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