CompoundList

Quinone S181

Also known as Dispiro(1,3-dioxolane-2,2'-(2H)naphth(2',1':4,5)oxireno(3a,4)indeno(2,1-b)furan-8'(7'H),2''-(2H)pyran), 7'H-Dispiro[[1,3]dioxolane-2,2'-naphtho[2',1':4,5]oxireno[3a,4]indeno[2,1-b]furan-8',2''-pyran], 7'H-Dispiro[1,3-dioxolane-2,2'-naphtho[2',1':4,5]oxireno[3a,4]indeno[2,1-b]furan-8',2''-pyran]

CAS 166-57-4Formula C25H18O5Molar mass 398.41 g/mol
Quinone S181 chemical structure, C25H18O5, CAS 166-57-4
2D chemical structure

Key facts

What buyers check first

CAS number
166-57-4
Formula
C25H18O5
Molar mass
398.41 g/mol
HS code
293299
Category
Steroids and sterols

What is Quinone S181?

Plain description, key identifiers and synonyms

Quinone S181 is a chemical substance with the molecular formula C25H18O5 and a molar mass of 398.41 g/mol. Its CAS registry number is 166-57-4.

Identifiers

Registry numbers, names and line notations, tap to copy

CAS number
166-57-4 CAS number cross-checked
Molecular formula
C25H18O5
InChIKey
GZRUIWYMCZCYRH-UHFFFAOYSA-N
InChI
InChI=1S/C25H18O5/c1-2-10-26-23(7-1)14-18-20-4-3-19-17-6-8-22(27-11-12-28-22)13-16(17)5-9-24(19)25(20,30-24)15-21(18)29-23/h1-10,13,15H,11-12,14H2
SMILES (canonical and isomeric)
C1COC2(O1)C=CC3=C4C=CC5=C6CC7(C=CC=CO7)OC6=CC58C4(O8)C=CC3=C2

Synonyms

  • Dispiro(1,3-dioxolane-2,2'-(2H)naphth(2',1':4,5)oxireno(3a,4)indeno(2,1-b)furan-8'(7'H),2''-(2H)pyran)
  • 7'H-Dispiro[[1,3]dioxolane-2,2'-naphtho[2',1':4,5]oxireno[3a,4]indeno[2,1-b]furan-8',2''-pyran]
  • 7'H-Dispiro[1,3-dioxolane-2,2'-naphtho[2',1':4,5]oxireno[3a,4]indeno[2,1-b]furan-8',2''-pyran]

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
398.41 g/molcalc.
Exact mass
398.1154 Dacalc.
LogP (octanol/water)
3.58calc.
Topological polar surface area
49.45 Ųcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
5calc.
Rotatable bonds
0calc.
Heavy atoms
30calc.
Rings
8calc.
Aromatic rings
0calc.
Fraction sp3 carbons
0.28calc.
Formal charge
0calc.
Stereocentres
3calc.
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, C1=COC2(C=C1)CC1=C3C=CC4=C5C=CC6(C=C5C=CC45OC35C=C1O2)OCCO6

C1=COC2(C=C1)CC1=C3C=CC4=C5C=CC6(C=C5C=CC45OC35C=C1O2)OCCO6

8 rings, 30 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.

Quinone S181 suppliers

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Quinone S181 price

Indicative price range per kg from live supplier offers

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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

Applications are not documented for this substance yet. Suppliers often describe uses on their product pages, linked in the suppliers list above.

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 Quinone S181 is traded under.

HS 2932.99Indicative HS code

Heterocyclic compounds with oxygen hetero-atom(s) only, other

World exports in 2024
$3.81B
+10.3% vs 2023, imports $7.05B
2019 to 2024
Top exporters
  1. China28.9%
  2. Switzerland * partner reported12.7%
  3. Germany7.8%
Top importers
  1. United States49.7%
  2. China11.9%
  3. India * partner reported3.3%

* Partner reported figures, a lower bound.

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

The HS code shown for Quinone S181 is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about Quinone S181, based on the data on this page

What is Quinone S181?

Quinone S181 is a chemical substance with the molecular formula C25H18O5 and a molar mass of 398.41 g/mol. Its CAS registry number is 166-57-4.

What is the CAS number of Quinone S181?

The CAS registry number of Quinone S181 is 166-57-4.

What is the molecular formula and weight of Quinone S181?

The molecular formula of Quinone S181 is C25H18O5 and its molar mass is 398.41 g/mol.

Is Quinone S181 hazardous?

No GHS hazard classification for Quinone S181 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 Quinone S181?

Quinone S181 is usually classified under HS code 293299 (Heterocyclic compounds with oxygen hetero-atom(s) only, other). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Quinone S181?

Post a free request on CompoundList and suppliers of Quinone S181 will send you quotes. Your contact details stay private until you accept a quote.

What is the price of Quinone S181?

Suppliers quote Quinone S181 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 Quinone S181

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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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