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Heterocyclic building blocks

2-Methoxythioxanthone

Also known as 2-Methoxy-9H-thioxanthen-9-one, 2-methoxythioxanthen-9-one, 2-Methoxy-thioxanthen-9-one

CAS 40478-82-8Formula C14H10O2SMolar mass 242.30 g/molEC 254-937-7
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2-Methoxythioxanthone chemical structure, C14H10O2S, CAS 40478-82-8
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
40478-82-8
Formula
C14H10O2S
Molar mass
242.30 g/mol
EC number
254-937-7
HS code
293499
Category
Heterocyclic building blocks

What is 2-Methoxythioxanthone?

Plain description, key identifiers and synonyms

2-Methoxythioxanthone is a chemical substance with the molecular formula C14H10O2S and a molar mass of 242.30 g/mol. Its CAS registry number is 40478-82-8. The IUPAC name is 2-methoxythioxanthen-9-one.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
2-methoxythioxanthen-9-one
CAS number
40478-82-8 CAS number cross-checked
EC number
254-937-7
Molecular formula
C14H10O2S
UNII
KC4S1SB9FK
InChIKey
NOYRFDHEJYWIHG-UHFFFAOYSA-N
InChI
InChI=1S/C14H10O2S/c1-16-9-6-7-13-11(8-9)14(15)10-4-2-3-5-12(10)17-13/h2-8H,1H3
SMILES (canonical and isomeric)
COC1=CC2=C(C=C1)SC3=CC=CC=C3C2=O

Synonyms

  • 2-Methoxy-9H-thioxanthen-9-one
  • 2-methoxythioxanthen-9-one
  • 2-Methoxy-thioxanthen-9-one
  • 9H-Thioxanthen-9-one, 2-methoxy-
  • 2-methoxydibenzo[b,e]thiin-10-one
  • Cambridge id 6956756
  • 2-Methoxy-9H-thioxanthen-9-one #
  • 10H-Dibenzo[b,E]thiopyran-10-one, 2-methoxy-

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
242.30 g/molcalc.
Exact mass
242.0402 Dacalc.
LogP (octanol/water)
3.42calc.
Topological polar surface area
26.3 Ųcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
3calc.
Rotatable bonds
1calc.
Heavy atoms
17calc.
Rings
3calc.
Aromatic rings
3calc.
Fraction sp3 carbons
0.07calc.
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, O=c1c2ccccc2sc2ccccc12

O=c1c2ccccc2sc2ccccc12

3 rings, 15 atoms, the Thioxanthone ring system.

254 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-Methoxythioxanthone suppliers

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2-Methoxythioxanthone price

Indicative price range per kg from live supplier offers

No published prices right now

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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-Methoxythioxanthone is traded under.

HS 2934.99Indicative HS code

Nucleic acids and their salts, other heterocyclic compounds, not elsewhere classified in heading 2934

World exports in 2024
$26.7B
+15.0% vs 2023, imports $26.3B
2019 to 2024
Top exporters
  1. Ireland26.3%
  2. China15.7%
  3. Singapore10.3%
Top importers
  1. United States24.5%
  2. Germany23.1%
  3. Japan4.5%
Reported customs values in USD, not prices.Full trade data

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

Frequently asked questions

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

What is 2-Methoxythioxanthone?

2-Methoxythioxanthone is a chemical substance with the molecular formula C14H10O2S and a molar mass of 242.30 g/mol. Its CAS registry number is 40478-82-8. The IUPAC name is 2-methoxythioxanthen-9-one.

What is the CAS number of 2-Methoxythioxanthone?

The CAS registry number of 2-Methoxythioxanthone is 40478-82-8.

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

The molecular formula of 2-Methoxythioxanthone is C14H10O2S and its molar mass is 242.30 g/mol.

What is 2-Methoxythioxanthone used for?

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

Is 2-Methoxythioxanthone hazardous?

No GHS hazard classification for 2-Methoxythioxanthone 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-Methoxythioxanthone?

2-Methoxythioxanthone is usually classified under HS code 293499 (Nucleic acids and their salts, whether or not chemically defined, other heterocyclic…). This is indicative, confirm it with your customs broker before shipping.

Where can I buy 2-Methoxythioxanthone?

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

What is the price of 2-Methoxythioxanthone?

Suppliers quote 2-Methoxythioxanthone 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-Methoxythioxanthone

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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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