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Screening compounds

Isonorherqueinone

Also known as Iso-norherqueinone, Isonorherqueinone-, (7aS,9S)-4,5,6,7a-Tetrahydroxy-1,8,8,9-tetramethyl-9H-phenaleno(1,2-b)furan-3,7-dione

CAS 35897-67-7Formula C19H18O7Molar mass 358.35 g/mol
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Isonorherqueinone chemical structure, C19H18O7, CAS 35897-67-7
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
35897-67-7
Formula
C19H18O7
Molar mass
358.35 g/mol
HS code
293299
Category
Screening compounds

What is Isonorherqueinone?

Plain description, key identifiers and synonyms

Isonorherqueinone is a chemical substance with the molecular formula C19H18O7 and a molar mass of 358.35 g/mol. Its CAS registry number is 35897-67-7. The IUPAC name is (7aS,9S)-4,5,6,7a-tetrahydroxy-1,8,8,9-tetramethyl-9H-phenaleno[1,2-b]furan-3,7-dione.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
(7aS,9S)-4,5,6,7a-tetrahydroxy-1,8,8,9-tetramethyl-9H-phenaleno[1,2-b]furan-3,7-dione
CAS number
35897-67-7
Molecular formula
C19H18O7
UNII
L24QUV8ZS5
InChIKey
PCIYDOGHPBCCMG-ZDVLTJLQSA-N
InChI
InChI=1S/C19H18O7/c1-6-5-8(20)10-11-9(6)17-19(25,18(3,4)7(2)26-17)16(24)12(11)14(22)15(23)13(10)21/h5,7,21-23,25H,1-4H3/t7-,19+/m0/s1
Canonical SMILES
CC1=CC(=O)c2c(O)c(O)c(O)c3c2C1=C1OC(C)C(C)(C)C1(O)C3=O
Isomeric SMILES
C[C@H]1C([C@@]2(C(=C3C(=CC(=O)C4=C3C(=C(C(=C4O)O)O)C2=O)C)O1)O)(C)C

Synonyms

  • Iso-norherqueinone
  • Isonorherqueinone-
  • (7aS,9S)-4,5,6,7a-Tetrahydroxy-1,8,8,9-tetramethyl-9H-phenaleno(1,2-b)furan-3,7-dione
  • 3H-Phenaleno(1,2-b)furan-3,7(7ah)-dione, 8,9-dihydro-4,5,6,7a-tetrahydroxy-1,8,8,9-tetramethyl-, (7as-trans)-

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
358.35 g/molcalc.
Exact mass
358.1053 Dacalc.
LogP (octanol/water)
2.03calc.
Topological polar surface area
124.3 Ųcalc.
Hydrogen bond donors
4calc.
Hydrogen bond acceptors
7calc.
Rotatable bonds
0calc.
Heavy atoms
26calc.
Rings
4calc.
Aromatic rings
1calc.
Fraction sp3 carbons
0.37calc.
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=C1C=CC2=C3OCCC3C(=O)c3cccc1c32

O=C1C=CC2=C3OCCC3C(=O)c3cccc1c32

4 rings, 18 atoms.

2 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.

Isonorherqueinone suppliers

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

Frequently asked questions

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

What is Isonorherqueinone?

Isonorherqueinone is a chemical substance with the molecular formula C19H18O7 and a molar mass of 358.35 g/mol. Its CAS registry number is 35897-67-7. The IUPAC name is (7aS,9S)-4,5,6,7a-tetrahydroxy-1,8,8,9-tetramethyl-9H-phenaleno[1,2-b]furan-3,7-dione.

What is the CAS number of Isonorherqueinone?

The CAS registry number of Isonorherqueinone is 35897-67-7.

What is the molecular formula and weight of Isonorherqueinone?

The molecular formula of Isonorherqueinone is C19H18O7 and its molar mass is 358.35 g/mol.

What is Isonorherqueinone used for?

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

Is Isonorherqueinone hazardous?

No GHS hazard classification for Isonorherqueinone 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 Isonorherqueinone?

Isonorherqueinone 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 Isonorherqueinone?

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

What is the price of Isonorherqueinone?

Suppliers quote Isonorherqueinone 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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