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Aromatic building blocks

Npc282043

Also known as Droserone, Droseron, 4,8-dihydroxy-3-methylnaphthalene-1,2-dione

CAS 478-40-0Formula C11H8O4Molar mass 204.18 g/mol
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Npc282043 chemical structure, C11H8O4, CAS 478-40-0
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
478-40-0
Formula
C11H8O4
Molar mass
204.18 g/mol
HS code
291469
Category
Aromatic building blocks

What is Npc282043?

Plain description, key identifiers and synonyms

Droserone is a hydroxy-1,4-naphthoquinone.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
4,8-dihydroxy-3-methylnaphthalene-1,2-dione
CAS number
478-40-0 CAS number cross-checkedOther or deprecated CAS: 1544076-46-1
Molecular formula
C11H8O4
InChIKey
KILMMLMKSQWMTN-UHFFFAOYSA-N
InChI
InChI=1S/C11H8O4/c1-5-9(13)6-3-2-4-7(12)8(6)11(15)10(5)14/h2-4,12-13H,1H3
SMILES (canonical and isomeric)
CC1=C(C2=C(C(=CC=C2)O)C(=O)C1=O)O

Synonyms

  • Droserone
  • Droseron
  • 4,8-dihydroxy-3-methylnaphthalene-1,2-dione
  • 4,8-dihydroxy-3-methyl-naphthalene-1,2-dione
  • 3,5-Dihydroxy-2-methylnaphthoquinone #
  • 3,5-dihydroxy-2-methyl-naphthalene-1,4-dione
  • 1,4-Naphthalenedione, 3,5-dihydroxy-2-methyl-
  • Droserone (2,8-dihydroxy-3-methyl-1,4-naphthoquinone)

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
204.18 g/molcalc.
Exact mass
204.0423 Dacalc.
LogP (octanol/water)
1.45calc.
Topological polar surface area
74.6 Ųcalc.
Hydrogen bond donors
2calc.
Hydrogen bond acceptors
4calc.
Rotatable bonds
0calc.
Heavy atoms
15calc.
Rings
2calc.
Aromatic rings
1calc.
Fraction sp3 carbons
0.09calc.
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=C1C=Cc2ccccc2C1=O

O=C1C=Cc2ccccc2C1=O

2 rings, 12 atoms, the 1,2-Naphthoquinone ring system.

313 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.

Npc282043 suppliers

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Npc282043 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 Npc282043 is traded under.

HS 2914.69Indicative HS code

Quinones, other

World exports in 2024
$162M
−10.1% vs 2023, imports $157M
2019 to 2024
Top exporters
  1. China32.8%
  2. Netherlands29.3%
  3. Japan13.8%
Top importers
  1. United States23.0%
  2. India * partner reported16.1%
  3. Thailand7.9%

* Partner reported figures, a lower bound.

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

The HS code shown for Npc282043 is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about Npc282043, based on the data on this page

What is Npc282043?

Droserone is a hydroxy-1,4-naphthoquinone.

What is the CAS number of Npc282043?

The CAS registry number of Npc282043 is 478-40-0. Other or deprecated CAS numbers: 1544076-46-1.

What is the molecular formula and weight of Npc282043?

The molecular formula of Npc282043 is C11H8O4 and its molar mass is 204.18 g/mol.

What is Npc282043 used for?

Known uses and roles of Npc282043 include building blocks in research and laboratory and screening compounds in research and laboratory.

Is Npc282043 hazardous?

No GHS hazard classification for Npc282043 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 Npc282043?

Npc282043 is usually classified under HS code 291469 (Quinones, other). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Npc282043?

Post a free request on CompoundList and suppliers of Npc282043 will send you quotes. Your contact details stay private until you accept a quote.

What is the price of Npc282043?

Suppliers quote Npc282043 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 Npc282043

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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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