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Heterocyclic building blocks

2-Furanthiol

Also known as Furan-2-thiol, 2-mercapto furan

CAS 13129-35-6Formula C4H4OSMolar mass 100.14 g/molEC 236-064-3
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2-Furanthiol chemical structure, C4H4OS, CAS 13129-35-6
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
13129-35-6
Formula
C4H4OS
Molar mass
100.14 g/mol
EC number
236-064-3
HS code
293219
Category
Heterocyclic building blocks

What is 2-Furanthiol?

Plain description, key identifiers and synonyms

2-Furanthiol is a chemical substance with the molecular formula C4H4OS and a molar mass of 100.14 g/mol. Its CAS registry number is 13129-35-6. The IUPAC name is furan-2-thiol.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
furan-2-thiol
CAS number
13129-35-6 CAS number cross-checked
EC number
236-064-3
Molecular formula
C4H4OS
InChIKey
CMDKYFGIJALPLS-UHFFFAOYSA-N
InChI
InChI=1S/C4H4OS/c6-4-2-1-3-5-4/h1-3,6H
SMILES (canonical and isomeric)
C1=COC(=C1)S

Synonyms

  • Furan-2-thiol
  • 2-mercapto furan

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
100.14 g/molcalc.
Exact mass
99.9983 Dacalc.
LogP (octanol/water)
1.57calc.
Topological polar surface area
13.14 Ųcalc.
Hydrogen bond donors
1calc.
Hydrogen bond acceptors
2calc.
Rotatable bonds
0calc.
Heavy atoms
6calc.
Rings
1calc.
Aromatic rings
1calc.
Fraction sp3 carbons
0calc.
Formal charge
0calc.
Stereocentres
0calc.
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, c1ccoc1

c1ccoc1

1 ring, 5 atoms, the Furan ring system.

12,988 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.

2-Furanthiol suppliers

Sponsored listings first, then the documented ranking: membership, verification, replies, completeness, freshness and ratings

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2-Furanthiol 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 2-Furanthiol is traded under.

HS 2932.19Indicative HS code

Compounds containing an unfused furan ring (whether or not hydrogenated) in the…

World exports in 2024
$2.62B
−6.4% vs 2023, imports $2.56B
2019 to 2024
Top exporters
  1. Germany57.9%
  2. Italy11.5%
  3. China10.4%
Top importers
  1. Greece40.4%
  2. Japan16.3%
  3. Germany12.8%
Reported customs values in USD, not prices.Full trade data

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

Frequently asked questions

Quick answers about 2-Furanthiol, based on the data on this page

What is 2-Furanthiol?

2-Furanthiol is a chemical substance with the molecular formula C4H4OS and a molar mass of 100.14 g/mol. Its CAS registry number is 13129-35-6. The IUPAC name is furan-2-thiol.

What is the CAS number of 2-Furanthiol?

The CAS registry number of 2-Furanthiol is 13129-35-6.

What is the molecular formula and weight of 2-Furanthiol?

The molecular formula of 2-Furanthiol is C4H4OS and its molar mass is 100.14 g/mol.

What is 2-Furanthiol used for?

Known uses and roles of 2-Furanthiol include building blocks in research and laboratory and screening compounds in research and laboratory.

Is 2-Furanthiol hazardous?

No GHS hazard classification for 2-Furanthiol 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 2-Furanthiol?

2-Furanthiol is usually classified under HS code 293219 (Compounds containing an unfused furan ring (whether or not hydrogenated) in the…). This is indicative, confirm it with your customs broker before shipping.

Where can I buy 2-Furanthiol?

Post a free request on CompoundList and suppliers of 2-Furanthiol will send you quotes. Your contact details stay private until you accept a quote.

What is the price of 2-Furanthiol?

Suppliers quote 2-Furanthiol 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 2-Furanthiol

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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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