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Chemical structure of Tetrachlorofluorescein

GB55780

Tetrachlorofluorescein

Also listed as 4,5,6,7-Tetrachloro-3',6'-dihydroxy-3H-spiro[isobenzofuran-1,9'-xanthen]-3-one

Tetrachlorofluorescein (catalogue number GB55780) is a research-grade chemical available from LABO Scientific in Israel, CAS registry number 6262-21-1. Molecular formula C20H8Cl4O5, molecular weight 470.09. IUPAC name: 4,5,6,7-tetrachloro-3',6'-dihydroxyspiro[2-benzofuran-3,9'-xanthene]-1-one. Supplied as 1g at ₪155.00; the final price is confirmed on your quote, and the lot certificate of analysis and safety data sheet are emailed with your order confirmation.

ChemicalCAS6262-21-1MW470.09FormulaC20H8Cl4O5
CAS number
6262-21-1
Molecular weight
470.09
Formula
C20H8Cl4O5
InChIKey
QCPFFGGFHNZBEP-UHFFFAOYSA-N
Catalogue number
GB55780
Brand
GLPBIO
Computed properties PubChem CID 80424 · XLogP 5.9 · TPSA 76 Ų · H-bond donors 2
XLogP
5.9
TPSA
76 Ų
H-bond donors
2
H-bond acceptors
5
Rotatable bonds
0
Heavy atoms
29

SMILES C1=CC2=C(C=C1O)OC3=C(C24C5=C(C(=C(C(=C5Cl)Cl)Cl)Cl)C(=O)O4)C=CC(=C3)O

Computed descriptors from PubChem (CID 80424), 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.