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Screening compounds

Npc297472

Also known as (-)-Praeruptorin A, DL-Praeruptorin A, [(9R,10S)-10-acetyloxy-8,8-dimethyl-2-oxo-9,10-dihydropyrano[2,3-f]chromen-9-yl] (Z)-2-methylbut-2-enoate

CAS 73069-25-7Formula C21H22O7Molar mass 386.40 g/mol
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Npc297472 chemical structure, C21H22O7, CAS 73069-25-7
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
73069-25-7
Formula
C21H22O7
Molar mass
386.40 g/mol
HS code
293220
Category
Screening compounds

What is Npc297472?

Plain description, key identifiers and synonyms

(-)-Praeruptorin A has been reported in Peucedanum japonicum, Prionosciadium thapsoides, and Kitagawia praeruptora.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
[(9R,10S)-10-acetyloxy-8,8-dimethyl-2-oxo-9,10-dihydropyrano[2,3-f]chromen-9-yl] (Z)-2-methylbut-2-enoate
CAS number
73069-25-7
Molecular formula
C21H22O7
InChIKey
XGPBRZDOJDLKOT-CIRUDOSSSA-N
InChI
InChI=1S/C21H22O7/c1-6-11(2)20(24)27-19-18(25-12(3)22)16-14(28-21(19,4)5)9-7-13-8-10-15(23)26-17(13)16/h6-10,18-19H,1-5H3/b11-6-/t18-,19+/m0/s1
Canonical SMILES
CC=C(C)C(=O)OC1C(OC(C)=O)c2c(ccc3ccc(=O)oc23)OC1(C)C
Isomeric SMILES
C/C=C(/C)\C(=O)O[C@@H]1[C@H](C2=C(C=CC3=C2OC(=O)C=C3)OC1(C)C)OC(=O)C

Synonyms

  • (-)-Praeruptorin A
  • DL-Praeruptorin A
  • [(9R,10S)-10-acetyloxy-8,8-dimethyl-2-oxo-9,10-dihydropyrano[2,3-f]chromen-9-yl] (Z)-2-methylbut-2-enoate
  • (?-Praeruptorin A
  • (-)-pareruptorin-A
  • [(9R,10S)-10-acetoxy-8,8-dimethyl-2-oxo-9,10-dihydropyrano[2,3-f]chromen-9-yl] (Z)-2-methylbut-2-enoate
  • 2-Butenoic acid, 2-methyl-,(9R,10R)-10-(acetyloxy)-9,10-dihydro-8,8-dimethyl-2-oxo-2H,8H-benzo[1,2-b:3,4-b']dipyran-9-yl ester, (2Z)-rel-

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
386.40 g/molcalc.
Exact mass
386.1366 Dacalc.
LogP (octanol/water)
3.45calc.
Topological polar surface area
92.04 Ųcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
7calc.
Rotatable bonds
3calc.
Heavy atoms
28calc.
Rings
3calc.
Aromatic rings
2calc.
Fraction sp3 carbons
0.38calc.
Formal charge
0calc.
Stereocentres
2calc.
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=c1ccc2ccc3c(c2o1)CCCO3

O=c1ccc2ccc3c(c2o1)CCCO3

3 rings, 15 atoms.

98 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.

Npc297472 suppliers

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All 2 suppliers

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Where suppliers are based

2 suppliers in 1 country

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Npc297472 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 Npc297472 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 Npc297472 is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about Npc297472, based on the data on this page

What is Npc297472?

(-)-Praeruptorin A has been reported in Peucedanum japonicum, Prionosciadium thapsoides, and Kitagawia praeruptora.

What is the CAS number of Npc297472?

The CAS registry number of Npc297472 is 73069-25-7.

What is the molecular formula and weight of Npc297472?

The molecular formula of Npc297472 is C21H22O7 and its molar mass is 386.40 g/mol.

What is Npc297472 used for?

Known uses and roles of Npc297472 include building blocks in research and laboratory and screening compounds in research and laboratory.

Is Npc297472 hazardous?

No GHS hazard classification for Npc297472 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 Npc297472?

Npc297472 is usually classified under HS code 293220 (Lactones). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Npc297472?

CompoundList lists 2 suppliers of Npc297472 in China. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

What is the price of Npc297472?

Suppliers quote Npc297472 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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