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Aromatic building blocks

RS-43535

Also known as 1,4-Naphthalenedione, 6-chloro-2,3-dimethoxy-, 6-chloro-2,3-dimethoxy-1,4-naphthoquinone, 6-Chloro-2,3-dimethoxy-1,4-naphthalenedione

CAS 91037-30-8Formula C12H9ClO4Molar mass 252.65 g/mol
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RS-43535 chemical structure, C12H9ClO4, CAS 91037-30-8
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
91037-30-8
Formula
C12H9ClO4
Molar mass
252.65 g/mol
HS code
291479
Category
Aromatic building blocks

What is RS-43535?

Plain description, key identifiers and synonyms

RS-43535 is a chemical substance with the molecular formula C12H9ClO4 and a molar mass of 252.65 g/mol. Its CAS registry number is 91037-30-8. The IUPAC name is 6-chloro-2,3-dimethoxynaphthalene-1,4-dione.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
6-chloro-2,3-dimethoxynaphthalene-1,4-dione
CAS number
91037-30-8
Molecular formula
C12H9ClO4
UNII
K008Q3MKG7
InChIKey
MVPZYCGLSLILFK-UHFFFAOYSA-N
InChI
InChI=1S/C12H9ClO4/c1-16-11-9(14)7-4-3-6(13)5-8(7)10(15)12(11)17-2/h3-5H,1-2H3
SMILES (canonical and isomeric)
COC1=C(C(=O)C2=C(C1=O)C=CC(=C2)Cl)OC

Synonyms

  • 1,4-Naphthalenedione, 6-chloro-2,3-dimethoxy-
  • 6-chloro-2,3-dimethoxy-1,4-naphthoquinone
  • 6-Chloro-2,3-dimethoxy-1,4-naphthalenedione
  • 2,3-dimethoxy-6-chloro-1,4-naphthoquinone
  • 6-chloro-2,3-dimethoxynaphthoquinone
  • 6-chloro-2,3-dimethoxynaphthalene-1,4-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
252.65 g/molcalc.
Exact mass
252.0189 Dacalc.
LogP (octanol/water)
2.22calc.
Topological polar surface area
52.6 Ųcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
4calc.
Rotatable bonds
2calc.
Heavy atoms
17calc.
Rings
2calc.
Aromatic rings
1calc.
Fraction sp3 carbons
0.17calc.
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=CC(=O)c2ccccc21

O=C1C=CC(=O)c2ccccc21

2 rings, 12 atoms, the 1,4-Naphthoquinone ring system.

875 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.

RS-43535 suppliers

Sponsored listings first, then the documented ranking: membership, verification, replies, completeness, freshness and ratings

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RS-43535 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 RS-43535 is traded under.

HS 2914.79Indicative HS code

Halogenated, sulphonated, nitrated or nitrosated derivatives, other

World exports in 2024
$558M
−12.1% vs 2023, imports $608M
2019 to 2024
Top exporters
  1. China41.2%
  2. India * partner reported28.7%
  3. Germany16.7%
Top importers
  1. United States29.1%
  2. Italy9.9%
  3. Switzerland * partner reported8.8%

* Partner reported figures, a lower bound.

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

The HS code shown for RS-43535 is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about RS-43535, based on the data on this page

What is RS-43535?

RS-43535 is a chemical substance with the molecular formula C12H9ClO4 and a molar mass of 252.65 g/mol. Its CAS registry number is 91037-30-8. The IUPAC name is 6-chloro-2,3-dimethoxynaphthalene-1,4-dione.

What is the CAS number of RS-43535?

The CAS registry number of RS-43535 is 91037-30-8.

What is the molecular formula and weight of RS-43535?

The molecular formula of RS-43535 is C12H9ClO4 and its molar mass is 252.65 g/mol.

What is RS-43535 used for?

Known uses and roles of RS-43535 include building blocks in research and laboratory and screening compounds in research and laboratory.

Is RS-43535 hazardous?

No GHS hazard classification for RS-43535 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 RS-43535?

RS-43535 is usually classified under HS code 291479 (Halogenated, sulphonated, nitrated or nitrosated derivatives, other). This is indicative, confirm it with your customs broker before shipping.

Where can I buy RS-43535?

Post a free request on CompoundList and suppliers of RS-43535 will send you quotes. Your contact details stay private until you accept a quote.

What is the price of RS-43535?

Suppliers quote RS-43535 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 RS-43535

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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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