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Heterocyclic building blocks

2-Ethylthymine

Also known as O(2)-Ethylthymine, 4(1H)-Pyrimidinone, 2-ethoxy-5-methyl-, 2-O-ethylthymine

CAS 25628-75-5Formula C7H10N2O2Molar mass 154.17 g/mol
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2-Ethylthymine chemical structure, C7H10N2O2, CAS 25628-75-5
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
25628-75-5
Formula
C7H10N2O2
Molar mass
154.17 g/mol
HS code
293359
Category
Heterocyclic building blocks

What is 2-Ethylthymine?

Plain description, key identifiers and synonyms

2-Ethylthymine is a chemical substance with the molecular formula C7H10N2O2 and a molar mass of 154.17 g/mol. Its CAS registry number is 25628-75-5. The IUPAC name is 2-ethoxy-5-methyl-1H-pyrimidin-6-one.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
2-ethoxy-5-methyl-1H-pyrimidin-6-one
CAS number
25628-75-5 CAS number cross-checked
Molecular formula
C7H10N2O2
InChIKey
OHQPGIMLIAEFMM-UHFFFAOYSA-N
InChI
InChI=1S/C7H10N2O2/c1-3-11-7-8-4-5(2)6(10)9-7/h4H,3H2,1-2H3,(H,8,9,10)
SMILES (canonical and isomeric)
CCOC1=NC=C(C(=O)N1)C

Synonyms

  • O(2)-Ethylthymine
  • 4(1H)-Pyrimidinone, 2-ethoxy-5-methyl-
  • 2-O-ethylthymine
  • O2-Ethyl-thymine
  • 2-ethoxy-5-methylpyrimidin-4(3H)-one

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
154.17 g/molcalc.
Exact mass
154.0742 Dacalc.
LogP (octanol/water)
0.48calc.
Topological polar surface area
54.98 Ųcalc.
Hydrogen bond donors
1calc.
Hydrogen bond acceptors
3calc.
Rotatable bonds
2calc.
Heavy atoms
11calc.
Rings
1calc.
Aromatic rings
1calc.
Fraction sp3 carbons
0.43calc.
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=c1ccnc[nH]1

O=c1ccnc[nH]1

1 ring, 7 atoms, the 4-Hydroxypyrimidine ring system.

3,090 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-Ethylthymine suppliers

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2-Ethylthymine 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-Ethylthymine is traded under.

HS 2933.59Indicative HS code

Compounds containing a pyrimidine ring (whether or not hydrogenated) or piperazine ring, other

World exports in 2024
$18.4B
+10.5% vs 2023, imports $24.8B
2019 to 2024
Top exporters
  1. Ireland43.6%
  2. Switzerland * partner reported26.3%
  3. China7.9%
Top importers
  1. Slovenia30.3%
  2. United States30.1%
  3. Germany15.3%

* Partner reported figures, a lower bound.

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

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

Frequently asked questions

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

What is 2-Ethylthymine?

2-Ethylthymine is a chemical substance with the molecular formula C7H10N2O2 and a molar mass of 154.17 g/mol. Its CAS registry number is 25628-75-5. The IUPAC name is 2-ethoxy-5-methyl-1H-pyrimidin-6-one.

What is the CAS number of 2-Ethylthymine?

The CAS registry number of 2-Ethylthymine is 25628-75-5.

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

The molecular formula of 2-Ethylthymine is C7H10N2O2 and its molar mass is 154.17 g/mol.

What is 2-Ethylthymine used for?

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

Is 2-Ethylthymine hazardous?

No GHS hazard classification for 2-Ethylthymine 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-Ethylthymine?

2-Ethylthymine is usually classified under HS code 293359 (Compounds containing a pyrimidine ring (whether or not hydrogenated) or piperazine ring…). This is indicative, confirm it with your customs broker before shipping.

Where can I buy 2-Ethylthymine?

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

What is the price of 2-Ethylthymine?

Suppliers quote 2-Ethylthymine 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-Ethylthymine

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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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