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alpha-Emtbl

Also known as 3-ethyl-3-methylthiolan-2-one, alpha-Ethyl-alpha-methyl-thiobutyrolactone, 2(3H)-Thiophenone, 3-ethyldihydro-3-methyl-

CAS 103620-92-4Formula C7H12OSMolar mass 144.24 g/mol
alpha-Emtbl chemical structure, C7H12OS, CAS 103620-92-4
2D chemical structure

Key facts

What buyers check first

CAS number
103620-92-4
Formula
C7H12OS
Molar mass
144.24 g/mol
HS code
293499
Category
Heterocyclic building blocks

What is alpha-Emtbl?

Plain description, key identifiers and synonyms

Alpha-EMTBL is a member of tetrahydrothiophenes.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
3-ethyl-3-methylthiolan-2-one
CAS number
103620-92-4 CAS number cross-checked
Molecular formula
C7H12OS
InChIKey
PSYRIJIIQVMBLR-UHFFFAOYSA-N
InChI
InChI=1S/C7H12OS/c1-3-7(2)4-5-9-6(7)8/h3-5H2,1-2H3
SMILES (canonical and isomeric)
CCC1(CCSC1=O)C

Synonyms

  • 3-ethyl-3-methylthiolan-2-one
  • alpha-Ethyl-alpha-methyl-thiobutyrolactone
  • 2(3H)-Thiophenone, 3-ethyldihydro-3-methyl-
  • 3-ethyl-3-methyl-tetrahydrothiophen-2-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
144.24 g/molcalc.
Exact mass
144.0609 Dacalc.
LogP (octanol/water)
2.07calc.
Topological polar surface area
17.07 Ųcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
2calc.
Rotatable bonds
1calc.
Heavy atoms
9calc.
Rings
1calc.
Aromatic rings
0calc.
Fraction sp3 carbons
0.86calc.
Formal charge
0calc.
Stereocentres
1calc.
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=C1CCCS1

O=C1CCCS1

1 ring, 6 atoms, the 2(3H)-Thiophenone, dihydro- ring system.

81 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.

alpha-Emtbl suppliers

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

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alpha-Emtbl price

Indicative price range per kg from live supplier offers

No published prices right now

Suppliers quote this chemical on request. Send one free request and compare quotes side by side.

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

Frequently asked questions

Quick answers about alpha-Emtbl, based on the data on this page

What is alpha-Emtbl?

Alpha-EMTBL is a member of tetrahydrothiophenes.

What is the CAS number of alpha-Emtbl?

The CAS registry number of alpha-Emtbl is 103620-92-4.

What is the molecular formula and weight of alpha-Emtbl?

The molecular formula of alpha-Emtbl is C7H12OS and its molar mass is 144.24 g/mol.

What is alpha-Emtbl used for?

Known uses and roles of alpha-Emtbl include building blocks in research and laboratory and screening compounds in research and laboratory.

Is alpha-Emtbl hazardous?

No GHS hazard classification for alpha-Emtbl 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 alpha-Emtbl?

alpha-Emtbl 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 alpha-Emtbl?

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

What is the price of alpha-Emtbl?

Suppliers quote alpha-Emtbl 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 alpha-Emtbl

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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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