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Chemical structure of 6-carboxy-4',5'-dichloro-2',7'-dimethoxyfluorescein

GF19618

6-carboxy-4',5'-dichloro-2',7'-dimethoxyfluorescein

Also known as 4',5'-dichloro-3',6'-dihydroxy-2',7'-dimethoxy-1-oxospiro[2-benzofuran-3,9'-xanthene]-5-carboxylic acid

6-carboxy-4',5'-dichloro-2',7'-dimethoxyfluorescein (catalogue number GF19618) is a research-grade chemical available from LABO Scientific in Israel, CAS registry number 82855-40-1. Molecular formula C23H14Cl2O9, molecular weight 505.25786. IUPAC name: 4',5'-dichloro-3',6'-dihydroxy-2',7'-dimethoxy-1-oxospiro[2-benzofuran-3,9'-xanthene]-5-carboxylic acid. Supplied in 3 pack sizes, from 100mg at ₪473.15 to 1g at ₪2,174.06; the final price is confirmed on your quote, and the lot certificate of analysis and safety data sheet are emailed with your order confirmation.

ChemicalCAS82855-40-1MW505.25786FormulaC23H14Cl2O9
CAS number
82855-40-1
Molecular weight
505.25786
Formula
C23H14Cl2O9
InChIKey
IDLISIVVYLGCKO-UHFFFAOYSA-N
Catalogue number
GF19618
Brand
GLPBIO
Computed properties PubChem CID 10229054 · XLogP 4.1 · TPSA 132 Ų · H-bond donors 3
XLogP
4.1
TPSA
132 Ų
H-bond donors
3
H-bond acceptors
9
Rotatable bonds
3
Heavy atoms
34

SMILES COC1=C(C(=C2C(=C1)C3(C4=CC(=C(C(=C4O2)Cl)O)OC)C5=C(C=CC(=C5)C(=O)O)C(=O)O3)Cl)O

Computed descriptors from PubChem (CID 10229054), 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.