
GB56208
5(6)-Nitrofluorescein
Also known as 3',6'-dihydroxy-5-nitrospiro[2-benzofuran-3,9'-xanthene]-1-one;3',6'-dihydroxy-6-nitrospiro[2-benzofuran-3,9'-xanthene]-1-one
5(6)-Nitrofluorescein (catalogue number GB56208) is a research-grade chemical available from LABO Scientific in Israel, CAS registry number 78512-32-0. Molecular formula C40H22N2O14, molecular weight 754.61. IUPAC name: 3',6'-dihydroxy-5-nitrospiro[2-benzofuran-3,9'-xanthene]-1-one;3',6'-dihydroxy-6-nitrospiro[2-benzofuran-3,9'-xanthene]-1-one. Supplied in 2 pack sizes, from 1g at ₪265.13 to 5g at ₪913.68; the final price is confirmed on your quote, and the lot certificate of analysis and safety data sheet are emailed with your order confirmation.
- CAS number
- 78512-32-0
- Molecular weight
- 754.61
- Formula
- C40H22N2O14
- InChIKey
- CWQHWMURPVUPBA-UHFFFAOYSA-N
- Catalogue number
- GB56208
- Brand
- GLPBIO
Computed properties PubChem CID 154730387 · TPSA 244 Ų · H-bond donors 4 · H-bond acceptors 14
- TPSA
- 244 Ų
- H-bond donors
- 4
- H-bond acceptors
- 14
- Rotatable bonds
- 0
- Heavy atoms
- 56
SMILES C1=CC2=C(C=C1[N+](=O)[O-])C3(C4=C(C=C(C=C4)O)OC5=C3C=CC(=C5)O)OC2=O.C1=CC2=C(C=C1[N+](=O)[O-])C(=O)OC23C4=C(C=C(C=C4)O)OC5=C3C=CC(=C5)O
Computed descriptors from PubChem (CID 154730387), 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.
- Questions
- WhatsApp · +972-55-990-7576 · orders@labo.co.il