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Screening compounds

Praecanson A

Also known as (Z)-3-(5,7-dimethoxy-2,2-dimethylchromen-6-yl)-3-methoxy-1-phenylprop-2-en-1-one, (2Z)-3-(5,7-dimethoxy-2,2-dimethyl-2H-chromen-6-yl)-3-methoxy-1-phenylprop-2-en-1-one, 9,2',6'-trimethoxy-6'',6''-dimethylpyrano-(3',4':2'',3'')-chalcone

CAS 74517-76-3Formula C23H24O5Molar mass 380.44 g/mol
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Praecanson A chemical structure, C23H24O5, CAS 74517-76-3
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
74517-76-3
Formula
C23H24O5
Molar mass
380.44 g/mol
HS code
293299
Category
Screening compounds

What is Praecanson A?

Plain description, key identifiers and synonyms

Praecanson A is a member of the class of chalcones that is chalcone substituted by methoxy groups at positions 2', 6' and 9 and a dimethylpyrano ring substituted across positions 3' and 4'. It has a role as a metabolite. It is a member of chalcones and an enol ether.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
(Z)-3-(5,7-dimethoxy-2,2-dimethylchromen-6-yl)-3-methoxy-1-phenylprop-2-en-1-one
CAS number
74517-76-3
Molecular formula
C23H24O5
InChIKey
CDFJITYOZNLONM-UYRXBGFRSA-N
InChI
InChI=1S/C23H24O5/c1-23(2)12-11-16-18(28-23)14-20(26-4)21(22(16)27-5)19(25-3)13-17(24)15-9-7-6-8-10-15/h6-14H,1-5H3/b19-13-
Canonical SMILES
COC(=CC(=O)c1ccccc1)c1c(OC)cc2c(c1OC)C=CC(C)(C)O2
Isomeric SMILES
CC1(C=CC2=C(C(=C(C=C2O1)OC)/C(=C/C(=O)C3=CC=CC=C3)/OC)OC)C

Synonyms

  • (Z)-3-(5,7-dimethoxy-2,2-dimethylchromen-6-yl)-3-methoxy-1-phenylprop-2-en-1-one
  • (2Z)-3-(5,7-dimethoxy-2,2-dimethyl-2H-chromen-6-yl)-3-methoxy-1-phenylprop-2-en-1-one
  • 9,2',6'-trimethoxy-6'',6''-dimethylpyrano-(3',4':2'',3'')-chalcone

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
380.44 g/molcalc.
Exact mass
380.1624 Dacalc.
LogP (octanol/water)
4.76calc.
Topological polar surface area
53.99 Ųcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
5calc.
Rotatable bonds
6calc.
Heavy atoms
28calc.
Rings
3calc.
Aromatic rings
2calc.
Fraction sp3 carbons
0.26calc.
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, O=C(C=Cc1ccc2c(c1)C=CCO2)c1ccccc1

O=C(C=Cc1ccc2c(c1)C=CCO2)c1ccccc1

3 rings, 20 atoms.

8 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.

Praecanson A suppliers

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Praecanson A price

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Uses and applications

What the substance is used for, by industry and function

Roles

  • metabolite

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

Frequently asked questions

Quick answers about Praecanson A, based on the data on this page

What is Praecanson A?

Praecanson A is a member of the class of chalcones that is chalcone substituted by methoxy groups at positions 2', 6' and 9 and a dimethylpyrano ring substituted across positions 3' and 4'. It has a role as a metabolite. It is a member of chalcones and an enol ether.

What is the CAS number of Praecanson A?

The CAS registry number of Praecanson A is 74517-76-3.

What is the molecular formula and weight of Praecanson A?

The molecular formula of Praecanson A is C23H24O5 and its molar mass is 380.44 g/mol.

What is Praecanson A used for?

Known uses and roles of Praecanson A include building blocks in research and laboratory, screening compounds in research and laboratory and metabolite.

Is Praecanson A hazardous?

No GHS hazard classification for Praecanson A 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 Praecanson A?

Praecanson A 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 Praecanson A?

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What is the price of Praecanson A?

Suppliers quote Praecanson A 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

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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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