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Heterocyclic building blocks

Thenalidine

Also known as Thenophenopiperidine, Thenaldine, 1-Methyl-4-N-2-thenylanilinopiperidine

CAS 86-12-4Formula C17H22N2SMolar mass 286.44 g/molEC 201-651-5
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Thenalidine chemical structure, C17H22N2S, CAS 86-12-4
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
86-12-4
Formula
C17H22N2S
Molar mass
286.44 g/mol
EC number
201-651-5
HS code
293499
Category
Heterocyclic building blocks

What is Thenalidine?

Plain description, key identifiers and synonyms

Thenalidine is a dialkylarylamine and a tertiary amino compound.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
1-methyl-N-phenyl-N-(thiophen-2-ylmethyl)piperidin-4-amine
CAS number
86-12-4 CAS number cross-checked
EC number
201-651-5
Molecular formula
C17H22N2S
UNII
6U94N2D00F
InChIKey
KLOHYVOVXOUKQI-UHFFFAOYSA-N
InChI
InChI=1S/C17H22N2S/c1-18-11-9-16(10-12-18)19(14-17-8-5-13-20-17)15-6-3-2-4-7-15/h2-8,13,16H,9-12,14H2,1H3
SMILES (canonical and isomeric)
CN1CCC(CC1)N(CC2=CC=CS2)C3=CC=CC=C3

Synonyms

  • Thenophenopiperidine
  • Thenaldine
  • 1-Methyl-4-N-2-thenylanilinopiperidine
  • Tenalidina
  • Thenalidinum
  • 1-Methyl-4-amino-N-phenyl-N-(2-thenyl)piperidine
  • 4-Piperidinamine, 1-methyl-N-phenyl-N-(2-thienylmethyl)-
  • 1-Methyl-N-phenyl-N-[(thiophen-2-yl)methyl]piperidin-4-amine
  • 1-methyl-4-(N-2-thenylanilino)piperidine
  • 1-methyl-N-phenyl-N-((thiophen-2-yl)methyl)piperidin-4-amine
  • Sanbosten
  • 1-methyl-N-phenyl-N-(thiophen-2-ylmethyl)piperidin-4-amine
  • Piperidine, 1-methyl-4-(N-2-thenylanilino)-
  • Thenalidine (INN)
  • thenalidin
  • Sanbosten, Sandostene, Thenaldine, Thenalidin, Thenophenopiperidine
  • AS 716
  • 4-22-00-03760 (Beilstein Handbook Reference)
  • N-(1-Methyl-4-piperidinyl)-N-phenyl-N-(2-thienylmethyl)amine #

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
286.44 g/molcalc.
Exact mass
286.1504 Dacalc.
LogP (octanol/water)
3.85calc.
Topological polar surface area
6.48 Ųcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
3calc.
Rotatable bonds
4calc.
Heavy atoms
20calc.
Rings
3calc.
Aromatic rings
2calc.
Fraction sp3 carbons
0.41calc.
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, c1ccc(N(Cc2cccs2)C2CCNCC2)cc1

c1ccc(N(Cc2cccs2)C2CCNCC2)cc1

3 rings, 19 atoms.

2 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.

Thenalidine suppliers

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

Frequently asked questions

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

What is Thenalidine?

Thenalidine is a dialkylarylamine and a tertiary amino compound.

What is the CAS number of Thenalidine?

The CAS registry number of Thenalidine is 86-12-4.

What is the molecular formula and weight of Thenalidine?

The molecular formula of Thenalidine is C17H22N2S and its molar mass is 286.44 g/mol.

What is Thenalidine used for?

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

Is Thenalidine hazardous?

No GHS hazard classification for Thenalidine 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 Thenalidine?

Thenalidine 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 Thenalidine?

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What is the price of Thenalidine?

Suppliers quote Thenalidine 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 Thenalidine

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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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