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Heterocyclic building blocks

2-Methoxythiazole

Also known as Thiazole, 2-methoxy-, 2-Methoxy-1,3-thiazole, 2-Methoxy-1,3-thiazole #

CAS 14542-13-3Formula C4H5NOSMolar mass 115.16 g/molEC 623-710-8
GHS signal word: Warning. Pictograms: Flammable 6 suppliers listed
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2-Methoxythiazole chemical structure, C4H5NOS, CAS 14542-13-3
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
14542-13-3
Formula
C4H5NOS
Molar mass
115.16 g/mol
Physical form
Liquid
HS code
293410
Category
Heterocyclic building blocks
Illustrative photo, 25 litre white jerry cans of liquid in a warehouse
Typical packagingIllustrative packaging image, not the actual product

What is 2-Methoxythiazole?

Plain description, key identifiers and synonyms

2-Methoxythiazole is a chemical substance with the molecular formula C4H5NOS and a molar mass of 115.16 g/mol. Its CAS registry number is 14542-13-3. The IUPAC name is 2-methoxy-1,3-thiazole.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
2-methoxy-1,3-thiazole
CAS number
14542-13-3 CAS number cross-checked
EC number
623-710-8
Molecular formula
C4H5NOS
MDL number
MFCD01631143
InChIKey
MJJRDTKNLLMJDJ-UHFFFAOYSA-N
InChI
InChI=1S/C4H5NOS/c1-6-4-5-2-3-7-4/h2-3H,1H3
SMILES (canonical and isomeric)
COC1=NC=CS1

Synonyms

  • Thiazole, 2-methoxy-
  • 2-Methoxy-1,3-thiazole
  • 2-Methoxy-1,3-thiazole #
  • 2-Methoxy-1,3-thiazole, 97%

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

Physical form
Liquidexp.

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
115.16 g/molcalc.
Exact mass
115.0092 Dacalc.
LogP (octanol/water)
1.15calc.
Topological polar surface area
22.12 Ųcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
3calc.
Rotatable bonds
1calc.
Heavy atoms
7calc.
Rings
1calc.
Aromatic rings
1calc.
Fraction sp3 carbons
0.25calc.
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, c1cscn1

c1cscn1

1 ring, 5 atoms, the Thiazole ring system.

16,016 other chemicals share this scaffold

Safety and hazards

GHS classification summary, not a safety data sheet

GHS signal word
Warning
GHS02: Flammable
Flammable

Hazard statements

  • H226Flammable liquid and vapour.
Precautionary statements (11)
  • P210Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking.
  • P233Keep container tightly closed.
  • P240Ground and bond container and receiving equipment.
  • P241Use explosion-proof electrical, ventilating and lighting equipment.
  • P242Use non-sparking tools.
  • P243Take action to prevent static discharges.
  • P280Wear protective gloves, protective clothing, eye protection and face protection.
  • P303 + P361 + P353If on skin (or hair): Take off immediately all contaminated clothing. Rinse skin with water or shower.
  • P370 + P378In case of fire: Use appropriate media to extinguish.
  • P403 + P235Store in a well-ventilated place. Keep cool.
  • P501Dispose of contents and container in accordance with local regulations.

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

Full safety data and first aid

2-Methoxythiazole suppliers

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

All 6 suppliers
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Where suppliers are based

6 suppliers in 1 country

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2-Methoxythiazole 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-Methoxythiazole is traded under.

HS 2934.10Indicative HS code

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

World exports in 2024
$3.88B
−16.1% vs 2023, imports $3.12B
2019 to 2024
Top exporters
  1. Switzerland * partner reported36.4%
  2. Ireland28.8%
  3. China10.0%
Top importers
  1. Canada33.4%
  2. United States14.4%
  3. Ireland13.1%

* Partner reported figures, a lower bound.

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

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

Frequently asked questions

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

What is 2-Methoxythiazole?

2-Methoxythiazole is a chemical substance with the molecular formula C4H5NOS and a molar mass of 115.16 g/mol. Its CAS registry number is 14542-13-3. The IUPAC name is 2-methoxy-1,3-thiazole.

What is the CAS number of 2-Methoxythiazole?

The CAS registry number of 2-Methoxythiazole is 14542-13-3.

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

The molecular formula of 2-Methoxythiazole is C4H5NOS and its molar mass is 115.16 g/mol.

What is 2-Methoxythiazole used for?

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

Is 2-Methoxythiazole hazardous?

2-Methoxythiazole carries the GHS signal word "Warning". Main hazards: flammable liquid and vapour. This summary is not an SDS, always read the supplier safety data sheet.

What is the HS code of 2-Methoxythiazole?

2-Methoxythiazole is usually classified under HS code 293410 (Compounds containing an unfused thiazole ring (whether or not hydrogenated) in the…). This is indicative, confirm it with your customs broker before shipping.

Where can I buy 2-Methoxythiazole?

CompoundList lists 6 suppliers of 2-Methoxythiazole in China. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

What is the price of 2-Methoxythiazole?

Suppliers quote 2-Methoxythiazole 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-Methoxythiazole

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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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