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Heterocyclic building blocks

Thenium

Also known as Thenium cation, Thenium ion, 2-Thiophenemethanaminium, N,N-dimethyl-N-(2-phenoxyethyl)-

CAS 16776-64-0Formula C15H20NOS+Molar mass 262.40 g/mol
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Thenium chemical structure, C15H20NOS+, CAS 16776-64-0
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
16776-64-0
Formula
C15H20NOS+
Molar mass
262.40 g/mol
HS code
293499
Category
Heterocyclic building blocks

What is Thenium?

Plain description, key identifiers and synonyms

Thenium is a chemical substance with the molecular formula C15H20NOS+ and a molar mass of 262.40 g/mol. Its CAS registry number is 16776-64-0. The IUPAC name is dimethyl-(2-phenoxyethyl)-(thiophen-2-ylmethyl)azanium.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
dimethyl-(2-phenoxyethyl)-(thiophen-2-ylmethyl)azanium
CAS number
16776-64-0
Molecular formula
C15H20NOS+
UNII
3DDR181HS3
InChIKey
KYCIUIVANPKXLW-UHFFFAOYSA-N
InChI
InChI=1S/C15H20NOS/c1-16(2,13-15-9-6-12-18-15)10-11-17-14-7-4-3-5-8-14/h3-9,12H,10-11,13H2,1-2H3/q+1
SMILES (canonical and isomeric)
C[N+](C)(CCOC1=CC=CC=C1)CC2=CC=CS2

Synonyms

  • Thenium cation
  • Thenium ion
  • 2-Thiophenemethanaminium, N,N-dimethyl-N-(2-phenoxyethyl)-
  • N,N-Dimethyl-N-(2-phenoxyethyl)-2-thiophenemethanaminium

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
262.40 g/molcalc.
Exact mass
262.126 Dacalc.
LogP (octanol/water)
3.4calc.
Topological polar surface area
9.23 Ųcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
2calc.
Rotatable bonds
6calc.
Heavy atoms
18calc.
Rings
2calc.
Aromatic rings
2calc.
Fraction sp3 carbons
0.33calc.
Formal charge
1calc.
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, c1ccc(OCCNCc2cccs2)cc1

c1ccc(OCCNCc2cccs2)cc1

2 rings, 16 atoms, the 2-Phenoxy-N-(2-thienylmethyl)-1-ethanamine ring system.

13 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.

Thenium suppliers

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

Frequently asked questions

Quick answers about Thenium, based on the data on this page

What is Thenium?

Thenium is a chemical substance with the molecular formula C15H20NOS+ and a molar mass of 262.40 g/mol. Its CAS registry number is 16776-64-0. The IUPAC name is dimethyl-(2-phenoxyethyl)-(thiophen-2-ylmethyl)azanium.

What is the CAS number of Thenium?

The CAS registry number of Thenium is 16776-64-0.

What is the molecular formula and weight of Thenium?

The molecular formula of Thenium is C15H20NOS+ and its molar mass is 262.40 g/mol.

What is Thenium used for?

Known uses and roles of Thenium include building blocks in research and laboratory and screening compounds in research and laboratory.

Is Thenium hazardous?

No GHS hazard classification for Thenium 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 Thenium?

Thenium 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 Thenium?

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

What is the price of Thenium?

Suppliers quote Thenium 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 Thenium

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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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