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Heterocyclic building blocks

Coarctatin

Also known as 2H,5H-Pyrano(4,3-b)pyran-2,5-dione, 8-ethylidene-7,8-dihydro-4-methoxy- (E)-, (8Z)-8-ethylidene-4-methoxypyrano[4,3-b]pyran-2,5-dione

CAS 56775-57-6Formula C11H10O5Molar mass 222.20 g/mol
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Coarctatin chemical structure, C11H10O5, CAS 56775-57-6
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
56775-57-6
Formula
C11H10O5
Molar mass
222.20 g/mol
HS code
293220
Category
Heterocyclic building blocks

What is Coarctatin?

Plain description, key identifiers and synonyms

Coarctatin is a chemical substance with the molecular formula C11H10O5 and a molar mass of 222.20 g/mol. Its CAS registry number is 56775-57-6. The IUPAC name is (8Z)-8-ethylidene-4-methoxypyrano[4,3-b]pyran-2,5-dione.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
(8Z)-8-ethylidene-4-methoxypyrano[4,3-b]pyran-2,5-dione
CAS number
56775-57-6
Molecular formula
C11H10O5
InChIKey
UUWKGVSNRFOKPX-UTCJRWHESA-N
InChI
InChI=1S/C11H10O5/c1-3-6-5-15-11(13)9-7(14-2)4-8(12)16-10(6)9/h3-4H,5H2,1-2H3/b6-3-
Canonical SMILES
CC=C1COC(=O)c2c(OC)cc(=O)oc21
Isomeric SMILES
C/C=C\1/COC(=O)C2=C1OC(=O)C=C2OC

Synonyms

  • 2H,5H-Pyrano(4,3-b)pyran-2,5-dione, 8-ethylidene-7,8-dihydro-4-methoxy- (E)-
  • (8Z)-8-ethylidene-4-methoxypyrano[4,3-b]pyran-2,5-dione

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
222.20 g/molcalc.
Exact mass
222.0528 Dacalc.
LogP (octanol/water)
1.22calc.
Topological polar surface area
65.74 Ųcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
5calc.
Rotatable bonds
1calc.
Heavy atoms
16calc.
Rings
2calc.
Aromatic rings
1calc.
Fraction sp3 carbons
0.27calc.
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, C=C1COC(=O)c2ccc(=O)oc21

C=C1COC(=O)c2ccc(=O)oc21

2 rings, 13 atoms.

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.

Coarctatin suppliers

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Coarctatin 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 Coarctatin is traded under.

HS 2932.20Indicative HS code

Lactones

World exports in 2024
$1.97B
−4.7% vs 2023, imports $2.07B
2019 to 2024
Top exporters
  1. China56.3%
  2. India * partner reported7.4%
  3. Germany7.3%
Top importers
  1. United States14.2%
  2. India * partner reported13.5%
  3. Brazil8.5%

* Partner reported figures, a lower bound.

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

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

Frequently asked questions

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

What is Coarctatin?

Coarctatin is a chemical substance with the molecular formula C11H10O5 and a molar mass of 222.20 g/mol. Its CAS registry number is 56775-57-6. The IUPAC name is (8Z)-8-ethylidene-4-methoxypyrano[4,3-b]pyran-2,5-dione.

What is the CAS number of Coarctatin?

The CAS registry number of Coarctatin is 56775-57-6.

What is the molecular formula and weight of Coarctatin?

The molecular formula of Coarctatin is C11H10O5 and its molar mass is 222.20 g/mol.

What is Coarctatin used for?

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

Is Coarctatin hazardous?

No GHS hazard classification for Coarctatin 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 Coarctatin?

Coarctatin is usually classified under HS code 293220 (Lactones). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Coarctatin?

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

What is the price of Coarctatin?

Suppliers quote Coarctatin 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 Coarctatin

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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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