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Heterocyclic building blocks

Arctinal

Also known as Aphyllocladin, (2,2'-Bithiophene)-5-carboxaldehyde, 5'-(1-propynyl)-, (2,2'-Bithiophene)-5-carboxaldehyde, 5'-(1-propyn-1-yl)-

CAS 102054-37-5Formula C12H8OS2Molar mass 232.33 g/mol
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Arctinal chemical structure, C12H8OS2, CAS 102054-37-5
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
102054-37-5
Formula
C12H8OS2
Molar mass
232.33 g/mol
HS code
293499
Category
Heterocyclic building blocks

What is Arctinal?

Plain description, key identifiers and synonyms

Arctinal is a member of thiophenes and a ring assembly.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
5-(5-prop-1-ynylthiophen-2-yl)thiophene-2-carbaldehyde
CAS number
102054-37-5 CAS number cross-checked
Molecular formula
C12H8OS2
UNII
OAV127GEXU
InChIKey
ZEAXBOPUTILUGH-UHFFFAOYSA-N
InChI
InChI=1S/C12H8OS2/c1-2-3-9-4-6-11(14-9)12-7-5-10(8-13)15-12/h4-8H,1H3
SMILES (canonical and isomeric)
CC#CC1=CC=C(S1)C2=CC=C(S2)C=O

Synonyms

  • Aphyllocladin
  • (2,2'-Bithiophene)-5-carboxaldehyde, 5'-(1-propynyl)-
  • (2,2'-Bithiophene)-5-carboxaldehyde, 5'-(1-propyn-1-yl)-
  • 5'-(Prop-1-yn-1-yl)-[2,2'-bithiophene]-5-carbaldehyde
  • 5-(5-prop-1-ynylthiophen-2-yl)thiophene-2-carbaldehyde
  • 5'-(Prop-1-yn-1-yl)[2,2'-bithiophene]-5-carbaldehyde

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
232.33 g/molcalc.
Exact mass
232.0017 Dacalc.
LogP (octanol/water)
3.66calc.
Topological polar surface area
17.07 Ųcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
3calc.
Rotatable bonds
2calc.
Heavy atoms
15calc.
Rings
2calc.
Aromatic rings
2calc.
Fraction sp3 carbons
0.08calc.
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, c1csc(-c2cccs2)c1

c1csc(-c2cccs2)c1

2 rings, 10 atoms, the 2,2'-Bithiophene ring system.

345 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.

Arctinal suppliers

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

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

Frequently asked questions

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

What is Arctinal?

Arctinal is a member of thiophenes and a ring assembly.

What is the CAS number of Arctinal?

The CAS registry number of Arctinal is 102054-37-5.

What is the molecular formula and weight of Arctinal?

The molecular formula of Arctinal is C12H8OS2 and its molar mass is 232.33 g/mol.

What is Arctinal used for?

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

Is Arctinal hazardous?

No GHS hazard classification for Arctinal 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 Arctinal?

Arctinal 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 Arctinal?

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What is the price of Arctinal?

Suppliers quote Arctinal 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 Arctinal

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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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