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Chemical structure of Coomassie Blue R-250

GC43309

Coomassie Blue R-250

Also known as sodium 3-[[4-[[4-(4-ethoxyanilino)phenyl]-[4-[ethyl-[(3-sulfonatophenyl)methyl]azaniumylidene]cyclohexa-2,5-dien-1-ylidene]methyl]-N-ethylanilino]methyl]benzenesulfonate

Brilliant blue R250 (Brilliant Blue R), an anionic dye, is the most popular stain to detect proteins resolved in SDS-PAGE gels

ChemicalCAS6104-59-2MW826FormulaC45H44N3O7S2•Na
CAS number
6104-59-2
Molecular weight
826
Formula
C45H44N3O7S2•Na
Solubility
DMF: 2 mg/ml,DMSO: 10 mg/ml,Ethanol: 0·1 mg/ml,PBS (pH 7·2): 1 mg/ml
InChIKey
NKLPQNGYXWVELD-UHFFFAOYSA-M
Catalogue number
GC43309
Brand
GLPBIO
Computed properties PubChem CID 61365 · TPSA 159 Ų · H-bond donors 1 · H-bond acceptors 9
TPSA
159 Ų
H-bond donors
1
H-bond acceptors
9
Rotatable bonds
13
Heavy atoms
58

SMILES CCN(CC1=CC(=CC=C1)S(=O)(=O)[O-])C2=CC=C(C=C2)C(=C3C=CC(=[N+](CC)CC4=CC(=CC=C4)S(=O)(=O)[O-])C=C3)C5=CC=C(C=C5)NC6=CC=C(C=C6)OCC.[Na+]

Computed descriptors from PubChem (CID 61365), 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.