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Chemical structure of Hoechst 33258

GC64380

Hoechst 33258

Also known as 4-[6-[6-(4-methylpiperazin-1-yl)-1H-benzimidazol-2-yl]-1H-benzimidazol-2-yl]phenol

The nucleic acid stain Hoechst 33258 is often used as a cell-permeable nuclear counterstain, which emits blue fluorescence after binding to dsDNA

ChemicalCAS23491-44-3MW424.5FormulaC25H24N6O
CAS number
23491-44-3
Molecular weight
424.5
Formula
C25H24N6O
Solubility
DMSO ： 41·67 mg/mL (98·16 mM; ultrasonic and warming and heat to 60°C)
InChIKey
INAAIJLSXJJHOZ-UHFFFAOYSA-N
Catalogue number
GC64380
Brand
GLPBIO
Computed properties PubChem CID 2392 · XLogP 4 · TPSA 84.1 Ų · H-bond donors 3
XLogP
4
TPSA
84.1 Ų
H-bond donors
3
H-bond acceptors
5
Rotatable bonds
3
Heavy atoms
32

SMILES CN1CCN(CC1)C2=CC3=C(C=C2)N=C(N3)C4=CC5=C(C=C4)N=C(N5)C6=CC=C(C=C6)O

Computed descriptors from PubChem (CID 2392), public domain. Identity cross-checked against the supplier's molecular formula and weight — verify before use.

Ordering in Israel

Lead time
Ships from the manufacturer to your lab in 8–14 business days; customs and cold chain handled by LABO Scientific.
Pricing
Quoted in ILS, excl. VAT. Add the item to your quote and we confirm the final price, usually the same business day.
Documents
Lot certificate of analysis and manufacturer SDS are emailed with your order confirmation.
Who we serve
Universities, hospitals and biotech companies across Israel. Research use only — not for diagnostic or therapeutic use.