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Chemical structure of Fluorescin

GB58577

Fluorescin

Also known as 2-(3,6-dihydroxy-9H-xanthen-9-yl)benzoic acid

Fluorescin (catalogue number GB58577) is a research-grade chemical available from LABO Scientific in Israel, CAS registry number 518-44-5. Molecular formula C20H14O5, molecular weight 334.32. IUPAC name: 2-(3,6-dihydroxy-9H-xanthen-9-yl)benzoic acid. Supplied in 4 pack sizes, from 1g at ₪203.95 to 100g at ₪5,469.83; the final price is confirmed on your quote, and the lot certificate of analysis and safety data sheet are emailed with your order confirmation.

ChemicalCAS518-44-5MW334.32FormulaC20H14O5
CAS number
518-44-5
Molecular weight
334.32
Formula
C20H14O5
InChIKey
MURGITYSBWUQTI-UHFFFAOYSA-N
Catalogue number
GB58577
Brand
GLPBIO
Computed properties PubChem CID 68205 · XLogP 3.7 · TPSA 87 Ų · H-bond donors 3
XLogP
3.7
TPSA
87 Ų
H-bond donors
3
H-bond acceptors
5
Rotatable bonds
2
Heavy atoms
25

SMILES C1=CC=C(C(=C1)C2C3=C(C=C(C=C3)O)OC4=C2C=CC(=C4)O)C(=O)O

Computed descriptors from PubChem (CID 68205), 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.