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Heterocyclic building blocks

FDGlu

Also known as 3',6'-Bis(((2S,3R,4S,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)tetrahydro-2H-pyran-2-yl)oxy)-3H-spiro[isobenzofuran-1,9'-xanthen]-3-one, 3',6'-bis[[(2S,3R,4S,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy]spiro[2-benzofuran-3,9'-xanthene]-1-one, 3',6'-bis({[(2S,3R,4S,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy})-3H-spiro[2-benzofuran-1,9'-xanthen]-3-one

CAS 129787-66-2Formula C32H32O15Molar mass 656.59 g/mol
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FDGlu chemical structure, C32H32O15, CAS 129787-66-2
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
129787-66-2
Formula
C32H32O15
Molar mass
656.59 g/mol
HS code
293220
Category
Heterocyclic building blocks

What is FDGlu?

Plain description, key identifiers and synonyms

FDGlu is a chemical substance with the molecular formula C32H32O15 and a molar mass of 656.59 g/mol. Its CAS registry number is 129787-66-2. The IUPAC name is 3',6'-bis[[(2S,3R,4S,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy]spiro[2-benzofuran-3,9'-xanthene]-1-one.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
3',6'-bis[[(2S,3R,4S,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy]spiro[2-benzofuran-3,9'-xanthene]-1-one
CAS number
129787-66-2 CAS number cross-checked
Molecular formula
C32H32O15
MDL number
MFCD00133328
InChIKey
ZTOBILYWTYHOJB-LWXMCBIJSA-N
InChI
InChI=1S/C32H32O15/c33-11-21-23(35)25(37)27(39)30(45-21)42-13-5-7-17-19(9-13)44-20-10-14(43-31-28(40)26(38)24(36)22(12-34)46-31)6-8-18(20)32(17)16-4-2-1-3-15(16)29(41)47-32/h1-10,21-28,30-31,33-40H,11-12H2/t21-,22-,23-,24-,25+,26+,27-,28-,30-,31-/m1/s1
Canonical SMILES
O=C1OC2(c3ccc(OC4OC(CO)C(O)C(O)C4O)cc3Oc3cc(OC4OC(CO)C(O)C(O)C4O)ccc32)c2ccccc21
Isomeric SMILES
C1=CC=C2C(=C1)C(=O)OC23C4=C(C=C(C=C4)O[C@H]5[C@@H]([C@H]([C@@H]([C@H](O5)CO)O)O)O)OC6=C3C=CC(=C6)O[C@H]7[C@@H]([C@H]([C@@H]([C@H](O7)CO)O)O)O

Synonyms

  • 3',6'-Bis(((2S,3R,4S,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)tetrahydro-2H-pyran-2-yl)oxy)-3H-spiro[isobenzofuran-1,9'-xanthen]-3-one
  • 3',6'-bis[[(2S,3R,4S,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy]spiro[2-benzofuran-3,9'-xanthene]-1-one
  • 3',6'-bis({[(2S,3R,4S,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy})-3H-spiro[2-benzofuran-1,9'-xanthen]-3-one
  • Fluorescein di-beta-D-glucopyranoside
  • Fluorescein di-(beta-D-glucopyranoside)
  • FDGlu [Fluorescein Di-|A-D-Glucopyranoside]
  • Spiro[isobenzofuran-1(3H),9'-[9H]xanthen]-3-one, 3',6'-bis(beta-D-glucopyranosyloxy)-
  • Fluorescein di-?-D-glucopyranoside
  • Fluorescein di-EC-D-glucopyranoside
  • Fluorescein Di-|A-D-Glucopyranoside
  • Fluorescein di-(beta-D-glucopyranoside), >=90%
  • 3',6'-bis[[(2S,3R,4S,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)tetrahydropyran-2-yl]oxy]spiro[isobenzofuran-3,9'-xanthene]-1-one
  • 6'-(beta-D-Glucopyranosyloxy)-3-oxo-3H-spiro[[2]benzofuran-1,9'-xanthen]-3'-yl beta-D-glucopyranoside
  • 6'-(beta-D-Glucopyranosyloxy)-3-oxo-3H-spiro[2-benzofuran-1,9'-xanthen]-3'-yl beta-D-glucopyranoside

Physical and chemical properties

Measured values and descriptors computed from the structure

Physical and chemical properties

Measured values, check the supplier specification for your grade

No measured properties are recorded for this substance yet. Ask suppliers for a technical data sheet.

Values vary by grade. Ask suppliers for the COA or TDS of the batch you buy.

Computed descriptors

Calculated from the structure, useful for screening and formulation

Molecular weight
656.59 g/molcalc.
Exact mass
656.1741 Dacalc.
LogP (octanol/water)
-1.39calc.
Topological polar surface area
234.3 Ųcalc.
Hydrogen bond donors
8calc.
Hydrogen bond acceptors
15calc.
Rotatable bonds
6calc.
Heavy atoms
47calc.
Rings
7calc.
Aromatic rings
3calc.
Fraction sp3 carbons
0.41calc.
Formal charge
0calc.
Stereocentres
10calc.
Lipinski rule of five
Fails (3 violations)calc.

Calculated for screening. Confirm critical figures with the supplier.

Murcko scaffold

The ring system that remains when every side chain is removed

Murcko scaffold of this chemical, O=C1OC2(c3ccc(OC4CCCCO4)cc3Oc3cc(OC4CCCCO4)ccc32)c2ccccc21

O=C1OC2(c3ccc(OC4CCCCO4)cc3Oc3cc(OC4CCCCO4)ccc32)c2ccccc21

7 rings, 37 atoms.

6 other chemicals share this scaffold

Safety and hazards

GHS classification summary, not a safety data sheet

No GHS hazard classification is recorded for this substance yet. That does not mean it is harmless.

GHS classification summary, not a safety data sheet (SDS). Classifications can differ by supplier, grade and concentration. Always check the supplier's SDS.

FDGlu suppliers

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FDGlu price

Indicative price range per kg from live supplier offers

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Uses and applications

What the substance is used for, by industry and function

Regulatory status

Inventories, regulations and trade controls that list this substance

No regulatory list memberships are recorded for this substance yet. Always check the rules of the importing and exporting country before trade.

HS code and trade data

Customs classification and reported world trade statistics

Global trade

World import and export statistics for the HS code FDGlu is traded under.

HS 2932.20Indicative HS code

Lactones

World exports in 2024
$1.97B
−4.7% vs 2023, imports $2.07B
2019 to 2024
Top exporters
  1. China56.3%
  2. India * partner reported7.4%
  3. Germany7.3%
Top importers
  1. United States14.2%
  2. India * partner reported13.5%
  3. Brazil8.5%

* Partner reported figures, a lower bound.

Reported customs values in USD, not prices.Full trade data

The HS code shown for FDGlu is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about FDGlu, based on the data on this page

What is FDGlu?

FDGlu is a chemical substance with the molecular formula C32H32O15 and a molar mass of 656.59 g/mol. Its CAS registry number is 129787-66-2. The IUPAC name is 3',6'-bis[[(2S,3R,4S,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy]spiro[2-benzofuran-3,9'-xanthene]-1-one.

What is the CAS number of FDGlu?

The CAS registry number of FDGlu is 129787-66-2.

What is the molecular formula and weight of FDGlu?

The molecular formula of FDGlu is C32H32O15 and its molar mass is 656.59 g/mol.

What is FDGlu used for?

Known uses and roles of FDGlu include building blocks in research and laboratory.

Is FDGlu hazardous?

No GHS hazard classification for FDGlu is recorded on CompoundList yet. That does not prove it is safe. Always read the supplier safety data sheet.

What is the HS code of FDGlu?

FDGlu is usually classified under HS code 293220 (Lactones). This is indicative, confirm it with your customs broker before shipping.

Where can I buy FDGlu?

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What is the price of FDGlu?

Suppliers quote FDGlu on request because prices depend on grade, purity, quantity and destination. A free request on CompoundList gets you several quotes to compare.

Guides for buyers

Practical guides that help when you source, ship or handle FDGlu

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Data last updated 7 Oct 2026. Details may have changed, please confirm them with the supplier. Report an error on this page
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