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Chemical structure of Erythrosine

GB61484

Erythrosine

Also listed as Tetraiodofluorescein

Erythrosine (catalogue number GB61484) is a research-grade chemical available from LABO Scientific in Israel, CAS registry number 15905-32-5. Molecular formula C20H8I4O5, molecular weight 835.89. IUPAC name: 3',6'-dihydroxy-2',4',5',7'-tetraiodospiro[2-benzofuran-3,9'-xanthene]-1-one. Supplied in 3 pack sizes, from 25g at ₪375.26 to 500g at ₪2,957.21; the final price is confirmed on your quote, and the lot certificate of analysis and safety data sheet are emailed with your order confirmation.

ChemicalCAS15905-32-5MW835.89FormulaC20H8I4O5
CAS number
15905-32-5
Molecular weight
835.89
Formula
C20H8I4O5
InChIKey
OALHHIHQOFIMEF-UHFFFAOYSA-N
Catalogue number
GB61484
Brand
GLPBIO
Computed properties PubChem CID 3259 · XLogP 6 · TPSA 76 Ų · H-bond donors 2
XLogP
6
TPSA
76 Ų
H-bond donors
2
H-bond acceptors
5
Rotatable bonds
0
Heavy atoms
29

SMILES C1=CC=C2C(=C1)C(=O)OC23C4=CC(=C(C(=C4OC5=C(C(=C(C=C35)I)O)I)I)O)I

Computed descriptors from PubChem (CID 3259), 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.