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Hardeners and crosslinkers

Inproquone

Also known as Inproquonum, RP 6870, inprocuona

CAS 436-40-8Formula C16H22N2O4Molar mass 306.36 g/mol
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Inproquone chemical structure, C16H22N2O4, CAS 436-40-8
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
436-40-8
Formula
C16H22N2O4
Molar mass
306.36 g/mol
HS code
293399
Category
Hardeners and crosslinkers

What is Inproquone?

Plain description, key identifiers and synonyms

Inproquone is a benzoquinone-based antineoplastic agent. Inproquone was never marketed.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
2,5-bis(aziridin-1-yl)-3,6-dipropoxycyclohexa-2,5-diene-1,4-dione
CAS number
436-40-8 CAS number cross-checked
Molecular formula
C16H22N2O4
UNII
C6Y700V0M4
InChIKey
NOVZFMNCTCKLPF-UHFFFAOYSA-N
InChI
InChI=1S/C16H22N2O4/c1-3-9-21-15-11(17-5-6-17)14(20)16(22-10-4-2)12(13(15)19)18-7-8-18/h3-10H2,1-2H3
SMILES (canonical and isomeric)
CCCOC1=C(C(=O)C(=C(C1=O)N2CC2)OCCC)N3CC3

Synonyms

  • Inproquonum
  • RP 6870
  • inprocuona
  • e-39 (Inproquone)
  • inprochon
  • Cytostaticum
  • Zytostatika
  • Bayer E 39
  • 2,5-bis(aziridin-1-yl)-3,6-dipropoxycyclohexa-2,5-diene-1,4-dione
  • 2,5-Bis(ethyleneimino)-3,6-dipropoxy-1,4-benzoquinone
  • 2,5-Bis(ethyleneimino)-3,6-dipropoxy-p-benzoquinone
  • Cytostatika
  • Inprochonum
  • Improcuona
  • 6870 RP
  • 2,5-Diazirino-3,6-dipropoxy-p-benzoquinone
  • Di-(n-propoxy)-2,5 di-(ethyleneimino)-3,6 benzoquinone-1,4
  • 2,5-Di-n-propoxy-3,6-bis-aethyleniminobenzochinon-1,4
  • 5-20-01-00075 (Beilstein Handbook Reference)
  • p-Benzoquinone, 2,5-bis(1-aziridinyl)-3,6-dipropoxy-
  • 2,5-Cyclohexadiene-1,4-dione, 2,5-bis(1-aziridinyl)-3,6-dipropoxy-
  • p-Benzoquinone,5-bis(1-aziridinyl)-3,6-dipropoxy-
  • 2,4-dione, 2,5-bis(1-aziridinyl)-3,6-dipropoxy-

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
306.36 g/molcalc.
Exact mass
306.158 Dacalc.
LogP (octanol/water)
1.05calc.
Topological polar surface area
58.62 Ųcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
6calc.
Rotatable bonds
8calc.
Heavy atoms
22calc.
Rings
3calc.
Aromatic rings
0calc.
Fraction sp3 carbons
0.63calc.
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=C(N2CC2)C(=O)C=C1N1CC1

O=C1C=C(N2CC2)C(=O)C=C1N1CC1

3 rings, 14 atoms, the 2,5-Diaziridinyl-1,4-benzoquinone ring system.

56 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.

Inproquone suppliers

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Inproquone 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

Health and food

  • EU Cosmetics Regulation Annex II, prohibited in cosmetics
    Name: Inproquone (INN), Ref no: 152, Annex ref: II/152

HS code and trade data

Customs classification and reported world trade statistics

Global trade

World import and export statistics for the HS code Inproquone is traded under.

HS 2933.99Indicative HS code

Heterocyclic compounds with nitrogen hetero-atom(s) only, other

World exports in 2024
$12.1B
−31.0% vs 2023, imports $28.8B
2019 to 2024
Top exporters
  1. China30.5%
  2. India * partner reported16.3%
  3. Ireland9.0%
Top importers
  1. Slovenia31.7%
  2. Italy24.2%
  3. United States5.0%

* Partner reported figures, a lower bound.

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

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

Frequently asked questions

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

What is Inproquone?

Inproquone is a benzoquinone-based antineoplastic agent. Inproquone was never marketed.

What is the CAS number of Inproquone?

The CAS registry number of Inproquone is 436-40-8.

What is the molecular formula and weight of Inproquone?

The molecular formula of Inproquone is C16H22N2O4 and its molar mass is 306.36 g/mol.

What is Inproquone used for?

Known uses and roles of Inproquone include crosslinkers and hardeners in paints and coatings and hardeners and curing agents in adhesives and sealants.

Is Inproquone hazardous?

No GHS hazard classification for Inproquone 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 Inproquone?

Inproquone is usually classified under HS code 293399 (Heterocyclic compounds with nitrogen hetero-atom(s) only, other). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Inproquone?

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

What is the price of Inproquone?

Suppliers quote Inproquone 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 Inproquone

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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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