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Aromatic building blocks

(7)Circulene

Also known as [7]Circulene

CAS 76276-09-0Formula C28H14Molar mass 350.42 g/mol
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(7)Circulene chemical structure, C28H14, CAS 76276-09-0
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
76276-09-0
Formula
C28H14
Molar mass
350.42 g/mol
HS code
290290
Category
Aromatic building blocks

What is (7)Circulene?

Plain description, key identifiers and synonyms

(7)Circulene is a chemical substance with the molecular formula C28H14 and a molar mass of 350.42 g/mol. Its CAS registry number is 76276-09-0. The IUPAC name is octacyclo[17.7.2.04,25.07,24.010,23.013,22.016,21.020,26]octacosa-1(26),2,4(25),5,7(24),8,10(23),11,13(22),14,16(21),17,19,27-tetradecaene.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
octacyclo[17.7.2.04,25.07,24.010,23.013,22.016,21.020,26]octacosa-1(26),2,4(25),5,7(24),8,10(23),11,13(22),14,16(21),17,19,27-tetradecaene
CAS number
76276-09-0
Molecular formula
C28H14
InChIKey
BFKUXIISMLUVMJ-UHFFFAOYSA-N
InChI
InChI=1S/C28H14/c1-2-16-5-6-18-9-11-20-13-14-21-12-10-19-8-7-17-4-3-15(1)22-23(16)25(18)27(20)28(21)26(19)24(17)22/h1-14H
SMILES (canonical and isomeric)
C1=CC2=C3C4=C1C=CC5=C4C6=C(C=C5)C=CC7=C6C8=C(C=CC(=C38)C=C2)C=C7

Synonyms

  • [7]Circulene

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
350.42 g/molcalc.
Exact mass
350.1096 Dacalc.
LogP (octanol/water)
8.07calc.
Topological polar surface area
0 Ųcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
0calc.
Rotatable bonds
0calc.
Heavy atoms
28calc.
Rings
8calc.
Aromatic rings
8calc.
Fraction sp3 carbons
0calc.
Formal charge
0calc.
Stereocentres
0calc.
Lipinski rule of five
Passes (1 violation)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, c1cc2ccc3ccc4ccc5ccc6ccc7ccc1c1c2c3c4c5c6c71

c1cc2ccc3ccc4ccc5ccc6ccc7ccc1c1c2c3c4c5c6c71

8 rings, 28 atoms. This chemical is the scaffold itself.

No other chemical in our database has 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.

(7)Circulene suppliers

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(7)Circulene 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 (7)Circulene is traded under.

HS 2902.90Indicative HS code

Cyclic hydrocarbons, other

World exports in 2024
$612M
−6.1% vs 2023, imports $670M
2019 to 2024
Top exporters
  1. China28.0%
  2. Germany13.9%
  3. India * partner reported12.6%
Top importers
  1. Germany11.1%
  2. United States10.6%
  3. South Korea8.3%

* Partner reported figures, a lower bound.

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

The HS code shown for (7)Circulene is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about (7)Circulene, based on the data on this page

What is (7)Circulene?

(7)Circulene is a chemical substance with the molecular formula C28H14 and a molar mass of 350.42 g/mol. Its CAS registry number is 76276-09-0. The IUPAC name is octacyclo[17.7.2.04,25.07,24.010,23.013,22.016,21.020,26]octacosa-1(26),2,4(25),5,7(24),8,10(23),11,13(22),14,16(21),17,19,27-tetradecaene.

What is the CAS number of (7)Circulene?

The CAS registry number of (7)Circulene is 76276-09-0.

What is the molecular formula and weight of (7)Circulene?

The molecular formula of (7)Circulene is C28H14 and its molar mass is 350.42 g/mol.

What is (7)Circulene used for?

Known uses and roles of (7)Circulene include building blocks in research and laboratory.

Is (7)Circulene hazardous?

No GHS hazard classification for (7)Circulene 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 (7)Circulene?

(7)Circulene is usually classified under HS code 290290 (Cyclic hydrocarbons, other). This is indicative, confirm it with your customs broker before shipping.

Where can I buy (7)Circulene?

Post a free request on CompoundList and suppliers of (7)Circulene will send you quotes. Your contact details stay private until you accept a quote.

What is the price of (7)Circulene?

Suppliers quote (7)Circulene 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 (7)Circulene

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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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