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Chemical structure of alpha-Naphtholphthalein

GB54905

alpha-Naphtholphthalein

Also listed as 3,3-Bis(4-hydroxynaphthalen-1-yl)isobenzofuran-1(3H)-one

alpha-Naphtholphthalein (catalogue number GB54905) is a research-grade chemical available from LABO Scientific in Israel, CAS registry number 596-01-0. Molecular formula C28H18O4, molecular weight 418.44. IUPAC name: 3,3-bis(4-hydroxynaphthalen-1-yl)-2-benzofuran-1-one. Supplied as 5g at ₪2,545.24; the final price is confirmed on your quote, and the lot certificate of analysis and safety data sheet are emailed with your order confirmation.

ChemicalCAS596-01-0MW418.44FormulaC28H18O4
CAS number
596-01-0
Molecular weight
418.44
Formula
C28H18O4
InChIKey
HQHBAGKIEAOSNM-UHFFFAOYSA-N
Catalogue number
GB54905
Brand
GLPBIO
Computed properties PubChem CID 68993 · XLogP 6.3 · TPSA 66.8 Ų · H-bond donors 2
XLogP
6.3
TPSA
66.8 Ų
H-bond donors
2
H-bond acceptors
4
Rotatable bonds
2
Heavy atoms
32

SMILES C1=CC=C2C(=C1)C(=CC=C2O)C3(C4=CC=CC=C4C(=O)O3)C5=CC=C(C6=CC=CC=C65)O

Computed descriptors from PubChem (CID 68993), 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.