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Heterocyclic building blocks

5-Ethoxythiazole

Also known as Thiazole, 5-ethoxy-, 5-Ethoxy-1,3-thiazole, 5-ethoxy thiazole

CAS 25115-63-3Formula C5H7NOSMolar mass 129.18 g/mol
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5-Ethoxythiazole chemical structure, C5H7NOS, CAS 25115-63-3
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
25115-63-3
Formula
C5H7NOS
Molar mass
129.18 g/mol
HS code
293410
Category
Heterocyclic building blocks

What is 5-Ethoxythiazole?

Plain description, key identifiers and synonyms

5-Ethoxythiazole is a chemical substance with the molecular formula C5H7NOS and a molar mass of 129.18 g/mol. Its CAS registry number is 25115-63-3. The IUPAC name is 5-ethoxy-1,3-thiazole.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
5-ethoxy-1,3-thiazole
CAS number
25115-63-3
Molecular formula
C5H7NOS
InChIKey
CAYSHAOATVWHSR-UHFFFAOYSA-N
InChI
InChI=1S/C5H7NOS/c1-2-7-5-3-6-4-8-5/h3-4H,2H2,1H3
SMILES (canonical and isomeric)
CCOC1=CN=CS1

Synonyms

  • Thiazole, 5-ethoxy-
  • 5-Ethoxy-1,3-thiazole
  • 5-ethoxy thiazole
  • 5-Ethoxy-1,3-thiazole #

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
129.18 g/molcalc.
Exact mass
129.0248 Dacalc.
LogP (octanol/water)
1.54calc.
Topological polar surface area
22.12 Ųcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
3calc.
Rotatable bonds
2calc.
Heavy atoms
8calc.
Rings
1calc.
Aromatic rings
1calc.
Fraction sp3 carbons
0.4calc.
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

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.

5-Ethoxythiazole suppliers

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5-Ethoxythiazole 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 5-Ethoxythiazole 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 5-Ethoxythiazole is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about 5-Ethoxythiazole, based on the data on this page

What is 5-Ethoxythiazole?

5-Ethoxythiazole is a chemical substance with the molecular formula C5H7NOS and a molar mass of 129.18 g/mol. Its CAS registry number is 25115-63-3. The IUPAC name is 5-ethoxy-1,3-thiazole.

What is the CAS number of 5-Ethoxythiazole?

The CAS registry number of 5-Ethoxythiazole is 25115-63-3.

What is the molecular formula and weight of 5-Ethoxythiazole?

The molecular formula of 5-Ethoxythiazole is C5H7NOS and its molar mass is 129.18 g/mol.

What is 5-Ethoxythiazole used for?

Known uses and roles of 5-Ethoxythiazole include building blocks in research and laboratory and screening compounds in research and laboratory.

Is 5-Ethoxythiazole hazardous?

No GHS hazard classification for 5-Ethoxythiazole 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 5-Ethoxythiazole?

5-Ethoxythiazole 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 5-Ethoxythiazole?

Post a free request on CompoundList and suppliers of 5-Ethoxythiazole will send you quotes. Your contact details stay private until you accept a quote.

What is the price of 5-Ethoxythiazole?

Suppliers quote 5-Ethoxythiazole 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 5-Ethoxythiazole

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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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