CompoundList

Autoinducer 2

Also known as Autoinducer-2, (1R,5S,8S)-3,3-dihydroxy-5-methyl-2,4,6-trioxa-3-boranuidabicyclo[3.3.0]octane-1,8-diol, (1R,5S,8S)-3,3-dihydroxy-5-methyl-2,4,6-trioxa-3-boranuidabicyclo(3.3.0)octane-1,8-diol

CAS 406683-36-1Formula C5H10BO7-Molar mass 192.94 g/mol
Autoinducer 2 chemical structure, C5H10BO7-, CAS 406683-36-1
2D chemical structure

Key facts

What buyers check first

CAS number
406683-36-1
Formula
C5H10BO7-
Molar mass
192.94 g/mol
HS code
293299
Category
Heterocyclic building blocks

What is Autoinducer 2?

Plain description, key identifiers and synonyms

Autoinducer-2 is an organic anion that is a borate diester derived from a furanose and acts a universal signal molecule mediating intra- and interspecies communication among bacteria. It has a role as an autoinducer and a bacterial metabolite.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
(1R,5S,8S)-3,3-dihydroxy-5-methyl-2,4,6-trioxa-3-boranuidabicyclo[3.3.0]octane-1,8-diol
CAS number
406683-36-1
Molecular formula
C5H10BO7-
InChIKey
ACKRRKSNOOISSG-VPENINKCSA-N
InChI
InChI=1S/C5H10BO7/c1-4-5(8,3(7)2-11-4)13-6(9,10)12-4/h3,7-10H,2H2,1H3/q-1/t3-,4+,5+/m0/s1
Canonical SMILES
CC12OCC(O)C1(O)O[B-](O)(O)O2
Isomeric SMILES
[B-]1(O[C@@]2([C@](O1)([C@H](CO2)O)O)C)(O)O

Synonyms

  • Autoinducer-2
  • (1R,5S,8S)-3,3-dihydroxy-5-methyl-2,4,6-trioxa-3-boranuidabicyclo[3.3.0]octane-1,8-diol
  • (1R,5S,8S)-3,3-dihydroxy-5-methyl-2,4,6-trioxa-3-boranuidabicyclo(3.3.0)octane-1,8-diol
  • (4S)-4,5-Dihydroxy-2,3-pentanedione
  • (1R,2S,5S)-7,7-Dihydroxy-5-methyl-4,6,8-trioxa-7-boranuidabicyclo[3.3.0]octane-1,2-diol
  • 3a-Methyl-5,6-dihydro-furo[2,3-d][1,3,2]dioxaborole-2,2,6,6a-tetraol
  • Autoinducer II
  • AI-2 autoinducer
  • (S)-THMF-borate
  • AI-2 (vibrio)
  • autoinducer-2 (vibrio)
  • (2S,4S)-2-methyl-2,3,4-tetrahydroxytetrahydrofuran-borate
  • (2S,4S)-2-methyl-2,3,3,4-tetrahydroxytetrahydrofuran-borate
  • (2S,3R,4S)-2,3,3,4-Tetrahydroxy-2-methyldihydrofuran-2,3-O borate
  • (2S,3R,4S)-2-Methyl-3,4-dihydroxy-oxolan-2,3-dioxy-borate
  • (3aS,6S,6aR)-2,2,6,6a-tetrahydroxy-3a-methyltetrahydrofuro[3,2-d][1,3,2]dioxaborolan-2-uide
  • dihydroxy[(2S,3R,4S)-2-methyldihydrofuran-2,3,3,4(2H)-tetrolato(2-)-kappa(2)O(2),O(3)]borate(1-)
  • dihydroxy[(2S,3R,4S)-2-methyldihydrofuran-2,3,3,4(2H)-tetrolato(2-)-kappa~2~O~2~,O~3~]borate(1-) (non-preferred name)

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
192.94 g/molcalc.
Exact mass
193.0525 Dacalc.
LogP (octanol/water)
-2.75calc.
Topological polar surface area
108.6 Ųcalc.
Hydrogen bond donors
4calc.
Hydrogen bond acceptors
7calc.
Rotatable bonds
0calc.
Heavy atoms
13calc.
Rings
2calc.
Aromatic rings
0calc.
Fraction sp3 carbons
1calc.
Formal charge
-1calc.
Stereocentres
3calc.
Lipinski rule of five
Passes (0 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, B1OC2CCOC2O1

B1OC2CCOC2O1

2 rings, 8 atoms.

No other chemical in our database has 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.

Autoinducer 2 suppliers

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All 2 suppliers

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Where suppliers are based

2 suppliers in 2 countries

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Autoinducer 2 price

Indicative price range per kg from live supplier offers

No published prices right now

Suppliers quote this chemical on request. Send one free request and compare quotes side by side.

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Uses and applications

What the substance is used for, by industry and function

Roles

  • autoinducer
  • bacterial metabolite
  • metabolite
  • molecular messenger
  • prokaryotic metabolite
  • signalling molecule

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 Autoinducer 2 is traded under.

HS 2932.99Indicative HS code

Heterocyclic compounds with oxygen hetero-atom(s) only, other

World exports in 2024
$3.81B
+10.3% vs 2023, imports $7.05B
2019 to 2024
Top exporters
  1. China28.9%
  2. Switzerland * partner reported12.7%
  3. Germany7.8%
Top importers
  1. United States49.7%
  2. China11.9%
  3. India * partner reported3.3%

* Partner reported figures, a lower bound.

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

The HS code shown for Autoinducer 2 is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about Autoinducer 2, based on the data on this page

What is Autoinducer 2?

Autoinducer-2 is an organic anion that is a borate diester derived from a furanose and acts a universal signal molecule mediating intra- and interspecies communication among bacteria. It has a role as an autoinducer and a bacterial metabolite.

What is the CAS number of Autoinducer 2?

The CAS registry number of Autoinducer 2 is 406683-36-1.

What is the molecular formula and weight of Autoinducer 2?

The molecular formula of Autoinducer 2 is C5H10BO7- and its molar mass is 192.94 g/mol.

What is Autoinducer 2 used for?

Known uses and roles of Autoinducer 2 include building blocks in research and laboratory, screening compounds in research and laboratory, autoinducer, bacterial metabolite, metabolite and 3 more.

Is Autoinducer 2 hazardous?

No GHS hazard classification for Autoinducer 2 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 Autoinducer 2?

Autoinducer 2 is usually classified under HS code 293299 (Heterocyclic compounds with oxygen hetero-atom(s) only, other). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Autoinducer 2?

CompoundList lists 2 suppliers of Autoinducer 2 in China and United States. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

What is the price of Autoinducer 2?

Suppliers quote Autoinducer 2 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

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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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